{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871486,"usec":61229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081396,"noise_level":-13.714319,"freq_skew":1.642104,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871489,"usec":876572},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737897,"noise_level":-14.740036,"freq_skew":-1.503969,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871491,"usec":396820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630117,"noise_level":-16.170925,"freq_skew":2.396671,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871495,"usec":216754},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.985172,"noise_level":-15.677768,"freq_skew":-0.826790,"avlc":{"src":{"addr":"47A218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871497,"usec":501308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.873452,"noise_level":-15.927361,"freq_skew":-0.692672,"avlc":{"src":{"addr":"47A218","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871498,"usec":257081},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622852,"noise_level":-15.824708,"freq_skew":-0.964655,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[123,86,166,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871498,"usec":258248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347729,"noise_level":-16.202471,"freq_skew":0.377598,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871499,"usec":35864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622857,"noise_level":-16.052315,"freq_skew":-1.185783,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871505,"usec":884616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872669,"noise_level":-15.879016,"freq_skew":-2.809398,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871508,"usec":159521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686399,"noise_level":-16.482428,"freq_skew":-1.542339,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871508,"usec":168428},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962015,"noise_level":-17.500324,"freq_skew":2.510347,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,143,222,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871511,"usec":205202},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903369,"noise_level":-16.970947,"freq_skew":2.440738,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,143,222,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871512,"usec":728300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706855,"noise_level":-17.071091,"freq_skew":2.200514,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871513,"usec":510355},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688743,"noise_level":-16.814526,"freq_skew":-2.846347,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53336,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[10,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871515,"usec":15593},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835475,"noise_level":-16.618126,"freq_skew":-2.645679,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53336,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[170,91]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871515,"usec":791376},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794886,"noise_level":-17.344330,"freq_skew":-2.610456,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[200,2]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871517,"usec":297253},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279070,"noise_level":-17.787655,"freq_skew":-2.727779,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871520,"usec":351631},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846137,"noise_level":-17.064522,"freq_skew":-2.765473,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871522,"usec":636749},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414225,"noise_level":-17.508553,"freq_skew":1.374763,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53254,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[252,174,128,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871523,"usec":395078},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680188,"noise_level":-17.931572,"freq_skew":1.527423,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.400000},"alt":94000}},{"name":"alternate_ground_stations","value":["109FCA","10919A","1096EA","10988A","1094EA","109C7A","10930A","10959A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871523,"usec":397549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567227,"noise_level":-18.911077,"freq_skew":1.170434,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871524,"usec":170362},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248937,"noise_level":-19.878885,"freq_skew":-2.929424,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":53336,"variable_part_params":[{"name":"checksum","value":[65,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871524,"usec":175071},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789439,"noise_level":-20.194485,"freq_skew":-2.623839,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[139,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871527,"usec":212367},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379968,"noise_level":-19.962809,"freq_skew":1.626164,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53407,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[165,180]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871527,"usec":962206},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667220,"noise_level":-19.749233,"freq_skew":1.543223,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53407,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[16,178]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871527,"usec":966595},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.780628,"noise_level":-20.228136,"freq_skew":-2.551351,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[139,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871527,"usec":969857},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497366,"noise_level":-20.174797,"freq_skew":1.567114,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":243,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871528,"usec":738091},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067944,"noise_level":-20.060339,"freq_skew":1.781336,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":40809,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[190,196]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871528,"usec":745959},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825528,"noise_level":-19.938744,"freq_skew":1.672082,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":53407,"variable_part_params":[{"name":"checksum","value":[149,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871530,"usec":260111},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641374,"noise_level":-19.658682,"freq_skew":1.552340,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40809,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[238,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871531,"usec":27067},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522852,"noise_level":-19.395468,"freq_skew":1.187683,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":325,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871531,"usec":27616},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779251,"noise_level":-20.458958,"freq_skew":1.508391,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":53407,"variable_part_params":[{"name":"checksum","value":[149,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871531,"usec":776389},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030194,"noise_level":-20.286690,"freq_skew":2.285182,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LFPB"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":-0.100000},"alt":228000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871532,"usec":547235},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076576,"noise_level":-19.960714,"freq_skew":1.571396,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871533,"usec":309836},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537112,"noise_level":-19.789476,"freq_skew":1.608781,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.400000},"alt":94000}},{"name":"alternate_ground_stations","value":["109FCA","10919A","1096EA","10988A","1094EA","109C7A","10930A","10959A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871534,"usec":75964},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420284,"noise_level":-20.449839,"freq_skew":1.359185,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":325,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871534,"usec":828048},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708847,"noise_level":-21.146534,"freq_skew":1.636590,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221046","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,38,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871534,"usec":838266},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718519,"noise_level":-21.872931,"freq_skew":1.537642,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCJ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR98KJ","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871536,"usec":362691},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795519,"noise_level":-21.431725,"freq_skew":-1.437134,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"5Z","blk_id":"5","ack":"!","flight":"AA0070","msg_num":"M96","msg_num_seq":"A","msg_text":"OS EDDF /ALT00000942"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871536,"usec":365546},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419814,"noise_level":-21.380663,"freq_skew":1.705128,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEC","mode":"2","label":"_d","blk_id":"1","ack":"G","flight":"BA71LK","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871537,"usec":106545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543115,"noise_level":-21.734428,"freq_skew":1.608209,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871537,"usec":893623},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707558,"noise_level":-21.252258,"freq_skew":1.456528,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEC","mode":"2","label":"15","blk_id":"2","ack":"!","flight":"BA71LK","msg_num":"M14","msg_num_seq":"A","msg_text":"FST01LCLKEGLLN51679E0005152111 32 108 6295 291 09020845"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871540,"usec":159852},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128186,"noise_level":-20.886101,"freq_skew":1.395362,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871540,"usec":165248},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900060,"noise_level":-20.799959,"freq_skew":1.525967,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"_d","blk_id":"6","ack":"G","flight":"BA0721","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871540,"usec":922988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761444,"noise_level":-21.417458,"freq_skew":-1.646991,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871540,"usec":932267},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832081,"noise_level":-21.275463,"freq_skew":1.510891,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEC","mode":"2","label":"15","blk_id":"2","ack":"!","flight":"BA71LK","msg_num":"M14","msg_num_seq":"A","msg_text":"FST01LCLKEGLLN51679E0005152111 32 108 6295 291 09020845"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871542,"usec":450638},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.006116,"noise_level":-20.992535,"freq_skew":2.108159,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LFPB"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":-0.100000},"alt":228000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871542,"usec":450848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476747,"noise_level":-20.992535,"freq_skew":1.614411,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871543,"usec":206803},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842381,"noise_level":-21.804983,"freq_skew":1.860810,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"BA0721","msg_num":"F13","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,55,091006,/PR1396,379,340,66,,0,20,,M48,120,,,P40,M35,36090,,1329,379E665"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871543,"usec":215747},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414196,"noise_level":-21.646061,"freq_skew":1.341356,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871543,"usec":216713},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575154,"noise_level":-21.625090,"freq_skew":1.231326,"avlc":{"src":{"addr":"4D2141","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53254,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[167,72,228,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871543,"usec":973588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037384,"noise_level":-22.567314,"freq_skew":1.547734,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871544,"usec":720133},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904268,"noise_level":-22.405411,"freq_skew":2.026590,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23201070","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,77,2,56,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871544,"usec":722367},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902403,"noise_level":-22.359699,"freq_skew":1.598436,"avlc":{"src":{"addr":"4CAD3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871544,"usec":727480},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750118,"noise_level":-22.485256,"freq_skew":-1.659718,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"6","ack":"B","flight":"AA0070","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871544,"usec":732618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555771,"noise_level":-22.633385,"freq_skew":1.840479,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871545,"usec":501128},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870587,"noise_level":-22.435696,"freq_skew":1.977193,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXEOS","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"GS22ES","msg_num":"A01","msg_num_seq":"A","sublabel":"M1","msg_text":"/.RESTWX/AK,071/TS084515,2705260D9E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871545,"usec":506220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209603,"noise_level":-22.332829,"freq_skew":-1.699114,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"AA0070","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871546,"usec":250948},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673696,"noise_level":-22.298809,"freq_skew":1.655365,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TNEC","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"BA71LK","msg_num":"F18","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,61,090226,/PR1645,226,340,71,,0,20,,M52,90,,,P10,P0,36090,,1574,237A19B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871546,"usec":262267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634532,"noise_level":-23.148500,"freq_skew":2.020490,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871547,"usec":24258},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659120,"noise_level":-22.975502,"freq_skew":1.934792,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":3,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871547,"usec":774971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031182,"noise_level":-22.758022,"freq_skew":1.897699,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871547,"usec":775931},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.252186,"noise_level":-22.734188,"freq_skew":1.428377,"avlc":{"src":{"addr":"407FCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871547,"usec":780392},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149333,"noise_level":-22.954588,"freq_skew":2.098930,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXEOS","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"GS22ES","msg_num":"A02","msg_num_seq":"A","sublabel":"M1","msg_text":"/.MSG/TX. /MA.,.,ATISLFPBC864"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871547,"usec":785270},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662790,"noise_level":-22.857491,"freq_skew":1.932210,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":1.500000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871548,"usec":550494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424918,"noise_level":-22.678307,"freq_skew":2.315545,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BA61XM","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871549,"usec":313389},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557796,"noise_level":-22.997578,"freq_skew":2.167523,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20004576","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,9,126,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871550,"usec":77036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.017415,"noise_level":-22.887878,"freq_skew":-1.657788,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"AA0070","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871550,"usec":80759},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650575,"noise_level":-22.803507,"freq_skew":2.378412,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"12901A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"BA61XM","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871550,"usec":82527},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117786,"noise_level":-22.767597,"freq_skew":-2.885593,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[135,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871550,"usec":839791},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361708,"noise_level":-22.510349,"freq_skew":2.582867,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53425,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[94,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871551,"usec":601020},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306387,"noise_level":-23.503010,"freq_skew":-2.754832,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1519,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[66,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871551,"usec":603336},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974494,"noise_level":-23.625782,"freq_skew":-1.517569,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AA0070","msg_num":"F24","msg_num_seq":"A","sublabel":"M1","msg_text":"FPN/TS084548,270526/RP:DA:KDFW:AA:EDDF:R:17R(07L):AP:ILSZ 07L.DF454:A:DIXA1D:F:DIXAT:V:DIXAT,,AA2700,AB3400/FNAAL700EBC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871551,"usec":610051},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394188,"noise_level":-23.507910,"freq_skew":2.070701,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BA61XM","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871551,"usec":611214},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832397,"noise_level":-23.481934,"freq_skew":-2.590025,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[131,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871552,"usec":347636},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934089,"noise_level":-23.276863,"freq_skew":-2.570321,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871552,"usec":351748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732319,"noise_level":-23.176117,"freq_skew":2.338129,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871552,"usec":353228},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558228,"noise_level":-23.151112,"freq_skew":1.747108,"avlc":{"src":{"addr":"48C2A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55808,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[77,251]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":133896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576659,"noise_level":-23.149166,"freq_skew":1.860221,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"_d","blk_id":"8","ack":"H","flight":"BA0721","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":134618},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555539,"noise_level":-23.136694,"freq_skew":1.999588,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20004576","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,9,126,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":138088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011287,"noise_level":-23.074598,"freq_skew":1.905589,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":875108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353980,"noise_level":-22.939526,"freq_skew":2.010566,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":875335},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447850,"noise_level":-22.939526,"freq_skew":1.695907,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"15","blk_id":"9","ack":"!","flight":"BA0721","msg_num":"M15","msg_num_seq":"A","msg_text":"FST01LTFMEGLL 245 30 14 09100845"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":879275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442869,"noise_level":-22.866726,"freq_skew":2.186466,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871553,"usec":884310},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521544,"noise_level":-23.333969,"freq_skew":2.347103,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"12901A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"BA61XM","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":398898},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119221,"noise_level":-23.009991,"freq_skew":-2.747874,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1519,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[66,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":398898},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.119221,"noise_level":-23.009991,"freq_skew":-2.747874,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[131,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":400138},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034338,"noise_level":-22.985458,"freq_skew":-1.540851,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"AA0070","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":400138},"freq":136975000,"burst_len_octets":210,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.034338,"noise_level":-22.985458,"freq_skew":-1.540851,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AA0070","msg_num":"F24","msg_num_seq":"A","sublabel":"M1","msg_text":"FPN/TS084548,270526/RP:DA:KDFW:AA:EDDF:R:17R(07L):AP:ILSZ 07L.DF454:A:DIXA1D:F:DIXAT:V:DIXAT,,AA2700,AB3400/FNAAL700EBC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":402223},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780823,"noise_level":-22.960997,"freq_skew":-2.775503,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":45,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871555,"usec":403281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943092,"noise_level":-22.948790,"freq_skew":1.637659,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871556,"usec":931059},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034586,"noise_level":-22.405094,"freq_skew":-2.772671,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871557,"usec":690375},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560954,"noise_level":-22.201275,"freq_skew":2.125588,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"12901A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"BA61XM","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871559,"usec":216108},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674087,"noise_level":-22.183643,"freq_skew":1.602897,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"_d","blk_id":"0","ack":"I","flight":"BA0721","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871560,"usec":739003},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209582,"noise_level":-21.705618,"freq_skew":-2.632009,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31503,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[120,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871560,"usec":747988},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290070,"noise_level":-21.569273,"freq_skew":2.085503,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXEOS","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"GS22ES","msg_num":"M22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871560,"usec":750567},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957380,"noise_level":-21.527748,"freq_skew":-1.469274,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"AA0070","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871561,"usec":501977},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486392,"noise_level":-21.514551,"freq_skew":2.217623,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"12901A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"8","ack":"B","flight":"BA61XM","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871561,"usec":503689},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896503,"noise_level":-21.493893,"freq_skew":-1.736482,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AA0070","msg_num":"F24","msg_num_seq":"A","sublabel":"M1","msg_text":"FPN/TS084548,270526/RP:DA:KDFW:AA:EDDF:R:17R(07L):AP:ILSZ 07L.DF454:A:DIXA1D:F:DIXAT:V:DIXAT,,AA2700,AB3400/FNAAL700EBC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871561,"usec":504148},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873817,"noise_level":-21.493893,"freq_skew":2.110838,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":7,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,71,68,67,0,77,2,56],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871561,"usec":513426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.200390,"noise_level":-21.794754,"freq_skew":-2.810955,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31503,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[8,126]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871562,"usec":258266},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854808,"noise_level":-21.667534,"freq_skew":1.871101,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYX","mode":"2","label":"_d","blk_id":"0","ack":"I","flight":"BA0721","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871562,"usec":260173},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700429,"noise_level":-21.636017,"freq_skew":1.883243,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":17820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.495788,"noise_level":-21.398121,"freq_skew":1.950949,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXEOS","mode":"2","label":"_d","blk_id":"6","ack":"D","flight":"GS22ES","msg_num":"M23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":25367},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379571,"noise_level":-21.266481,"freq_skew":-2.686959,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":787212},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.616936,"noise_level":-21.320715,"freq_skew":-0.353118,"avlc":{"src":{"addr":"4CA855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40819,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[169,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":787742},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587823,"noise_level":-21.310608,"freq_skew":2.262351,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,87,90,90,0,77,36,142,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,71,66,0,1,84,84,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":183,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":55,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[117,43]},{"name":"atn_checksum","value":[231,253,13,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":790303},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085534,"noise_level":-21.290432,"freq_skew":-2.723202,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871563,"usec":796521},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940323,"noise_level":-21.200203,"freq_skew":-1.520211,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871564,"usec":537605},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850506,"noise_level":-22.311623,"freq_skew":2.302174,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53457,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[245,43,191,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871564,"usec":537605},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.850506,"noise_level":-22.311623,"freq_skew":2.302174,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53457,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[172,182,187,67]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,5055630,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"WMT68LU","long_tsap":{"rdp":[65,87,90,90,0],"short_tsap":{"ars":[77,36,142],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,87,90,90,0],"short_tsap":{"ars":[77,36,142],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EGGW","destination_airport":"LIRF"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871564,"usec":539435},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821125,"noise_level":-22.277687,"freq_skew":-1.537378,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.500000},"alt":41000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871564,"usec":542187},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732921,"noise_level":-22.232643,"freq_skew":-1.698714,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AA0070","msg_num":"F24","msg_num_seq":"A","sublabel":"M1","msg_text":"FPN/TS084548,270526/RP:DA:KDFW:AA:EDDF:R:17R(07L):AP:ILSZ 07L.DF454:A:DIXA1D:F:DIXAT:V:DIXAT,,AA2700,AB3400/FNAAL700EBC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871565,"usec":289068},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902431,"noise_level":-22.253294,"freq_skew":-1.682657,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"9","ack":"D","flight":"AA0070","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871565,"usec":289816},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878863,"noise_level":-22.242041,"freq_skew":-1.539171,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"52636015","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,65,76,0,171,60,13,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871565,"usec":297349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687443,"noise_level":-22.302408,"freq_skew":2.504297,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871565,"usec":297739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284814,"noise_level":-22.302408,"freq_skew":-1.522686,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871565,"usec":300450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600876,"noise_level":-22.866390,"freq_skew":2.322109,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":64246},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360628,"noise_level":-22.793770,"freq_skew":2.470926,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":64246},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.360628,"noise_level":-22.793770,"freq_skew":2.470926,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53457,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[105,202,186,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":64246},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.360628,"noise_level":-22.793770,"freq_skew":2.470926,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":187,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":53457,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[157,16,214,230]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":68543},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715980,"noise_level":-23.350142,"freq_skew":-2.878025,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":823383},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200031,"noise_level":-23.160614,"freq_skew":-2.999304,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":31503,"variable_part_params":[{"name":"checksum","value":[74,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":829485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806767,"noise_level":-23.366911,"freq_skew":2.324393,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871566,"usec":835775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.279817,"noise_level":-23.227255,"freq_skew":2.081634,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871567,"usec":601958},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065764,"noise_level":-22.930124,"freq_skew":-2.824324,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":22,"dst_ref":40823,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[236,77]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871569,"usec":114537},"freq":136975000,"burst_len_octets":167,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806197,"noise_level":-22.584148,"freq_skew":-1.572655,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"AA0070","msg_num":"F24","msg_num_seq":"A","sublabel":"M1","msg_text":"FPN/TS084548,270526/RP:DA:KDFW:AA:EDDF:R:17R(07L):AP:ILSZ 07L.DF454:A:DIXA1D:F:DIXAT:V:DIXAT,,AA2700,AB3400/FNAAL700EBC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871572,"usec":155411},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872984,"noise_level":-21.466297,"freq_skew":-2.656756,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":22,"dst_ref":40823,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[236,77]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871572,"usec":166161},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866408,"noise_level":-21.273079,"freq_skew":2.129182,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..LXEOS","mode":"2","label":"44","blk_id":"8","ack":"!","flight":"GS22ES","msg_num":"M24","msg_num_seq":"A","msg_text":"03T0HxJqLDx-(Dfxxxx(xq((Jq+o!1q!1mIqxD(Pqx9-eqxVt9qxxD$P"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871574,"usec":445278},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399537,"noise_level":-20.670898,"freq_skew":-1.155762,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871574,"usec":454058},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527959,"noise_level":-20.559021,"freq_skew":-1.408080,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"5","ack":"J","flight":"DK0566","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871574,"usec":454058},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.527959,"noise_level":-20.559021,"freq_skew":-1.408080,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871575,"usec":203893},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320260,"noise_level":-21.675423,"freq_skew":-1.005668,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[208,35,216,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871577,"usec":478118},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.752881,"noise_level":-21.423922,"freq_skew":2.735215,"avlc":{"src":{"addr":"408213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53411,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[127,185,192,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871577,"usec":478273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727419,"noise_level":-21.423922,"freq_skew":-1.640330,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871577,"usec":485817},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.138063,"noise_level":-21.291897,"freq_skew":1.623015,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53365,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,184,61,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871578,"usec":257240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.828341,"noise_level":-21.148863,"freq_skew":2.473245,"avlc":{"src":{"addr":"408213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871580,"usec":559304},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896062,"noise_level":-20.371714,"freq_skew":1.735364,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53365,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[121,184,61,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871583,"usec":583218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159855,"noise_level":-19.460274,"freq_skew":2.161747,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871583,"usec":584117},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356781,"noise_level":-19.452114,"freq_skew":-1.264131,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"GCLP"},{"name":"ac_location","value":{"loc":{"lat":52.100002,"lon":0.800000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871583,"usec":589681},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557173,"noise_level":-20.283268,"freq_skew":-1.096911,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"DK0566","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871584,"usec":347270},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526014,"noise_level":-20.220676,"freq_skew":2.116905,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"SA","blk_id":"0","ack":"B","flight":"BA61XM","msg_num":"S46","msg_num_seq":"A","msg_text":"0EV084547V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":45,"sec":47}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871584,"usec":348748},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798055,"noise_level":-20.202875,"freq_skew":-1.132972,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21354560","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,86,75,71,0,69,217,112,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871585,"usec":114274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957438,"noise_level":-19.948780,"freq_skew":-1.227486,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871585,"usec":122565},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614553,"noise_level":-20.236197,"freq_skew":2.397979,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZG","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR06AT","msg_num":"M72","msg_num_seq":"A","msg_text":"084622,19991,1040, 150,N 51.114 W .446"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871587,"usec":405739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736025,"noise_level":-19.583046,"freq_skew":1.895167,"avlc":{"src":{"addr":"406B62","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871588,"usec":163941},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750123,"noise_level":-19.525284,"freq_skew":-1.273799,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"DK0566","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871588,"usec":163941},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.750123,"noise_level":-19.525284,"freq_skew":-1.273799,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":111,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":5,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,86,75,71,0,69,217,112],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871588,"usec":165350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546092,"noise_level":-19.517065,"freq_skew":2.448589,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871588,"usec":173163},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.887586,"noise_level":-20.028458,"freq_skew":2.228043,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"BA61XM","msg_num":"F10","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,60,091254,/PR1387,371,360,73,,0,20,,M54,60,,,P70,M35,36090,,1314,37132EB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871588,"usec":922794},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710019,"noise_level":-19.950378,"freq_skew":-1.398674,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":112,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":5,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,86,75,71,0,69,217,112]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,86,75,71,0,69,217,112]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871589,"usec":684818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652509,"noise_level":-20.159275,"freq_skew":-1.153120,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871590,"usec":455171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537480,"noise_level":-20.586151,"freq_skew":1.092224,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871590,"usec":457663},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339612,"noise_level":-20.549065,"freq_skew":-1.285349,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871590,"usec":466108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222869,"noise_level":-21.075794,"freq_skew":2.253170,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871591,"usec":215472},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631405,"noise_level":-20.939236,"freq_skew":-1.362816,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":113,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871592,"usec":744835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.330606,"noise_level":-20.477013,"freq_skew":2.343078,"avlc":{"src":{"addr":"40768B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871593,"usec":499093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952077,"noise_level":-20.223804,"freq_skew":-2.777773,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871595,"usec":774537},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.089357,"noise_level":-19.713253,"freq_skew":2.412542,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"17","blk_id":"6","ack":"!","flight":"W668LU","msg_num":"M23","msg_num_seq":"A","msg_text":"084630,17353,1058, 16800,N 51.777,E .539,27MAY26,27018, 12,- 12"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871595,"usec":777087},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255588,"noise_level":-19.671335,"freq_skew":-2.869168,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"OERK"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":0.300000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871595,"usec":777087},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.255588,"noise_level":-19.671335,"freq_skew":-2.869168,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"RX0402","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871595,"usec":780089},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.303182,"noise_level":-19.629618,"freq_skew":2.580424,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":53461,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[200,71,91,158]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871595,"usec":782506},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909698,"noise_level":-19.596388,"freq_skew":-2.581305,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"34212206","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,88,73,0,113,20,134,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871596,"usec":544057},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995377,"noise_level":-19.513865,"freq_skew":-2.853716,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"RX0402","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871597,"usec":303692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100097,"noise_level":-19.286884,"freq_skew":2.282722,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871597,"usec":315489},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637476,"noise_level":-19.136173,"freq_skew":-2.616549,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871598,"usec":56092},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937957,"noise_level":-19.128313,"freq_skew":-2.608200,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":22,"dst_ref":40823,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[236,77]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871598,"usec":843010},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014830,"noise_level":-19.780409,"freq_skew":-2.723775,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871599,"usec":595129},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351684,"noise_level":-20.264597,"freq_skew":2.622773,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":190,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53461,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,86,81,10]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":46,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871600,"usec":347630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111272,"noise_level":-20.433437,"freq_skew":2.099412,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871601,"usec":115218},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.125482,"noise_level":-21.246780,"freq_skew":2.464158,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871601,"usec":115218},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.125482,"noise_level":-21.246780,"freq_skew":2.464158,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[241,147,186,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871602,"usec":632725},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863456,"noise_level":-20.693272,"freq_skew":2.375786,"avlc":{"src":{"addr":"408213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-HLYJ","mode":"2","label":"58","blk_id":"1","ack":"!","flight":"LS83LV","msg_num":"M06","msg_num_seq":"A","msg_text":"LS83LV/27/084640/N51.463/W0.270/29493/N/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871604,"usec":157581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.280566,"noise_level":-20.338438,"freq_skew":2.150747,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871608,"usec":734669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154842,"noise_level":-18.978588,"freq_skew":2.406496,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871610,"usec":253969},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540148,"noise_level":-19.545704,"freq_skew":2.311503,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53425,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[90,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871612,"usec":541251},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834346,"noise_level":-19.778328,"freq_skew":-1.469430,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,86,75,71,0,69,217,112,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,71,66,0,1,84,84,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":114,"segment_offset":0,"pdu_total_len":106},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[65,159,151,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":46,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871613,"usec":315078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882261,"noise_level":-19.669697,"freq_skew":-1.388095,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871614,"usec":68974},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634013,"noise_level":-19.569929,"freq_skew":-1.371936,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871614,"usec":75930},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852673,"noise_level":-19.471294,"freq_skew":-1.283616,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871614,"usec":75930},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.852673,"noise_level":-19.471294,"freq_skew":-1.283616,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[244,41,11,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":46,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871614,"usec":75930},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.852673,"noise_level":-19.471294,"freq_skew":-1.283616,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[238,245,161,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871615,"usec":592355},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933153,"noise_level":-19.922813,"freq_skew":-1.380455,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871617,"usec":111198},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172161,"noise_level":-19.880785,"freq_skew":-2.606077,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":40823,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[174,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":46,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871618,"usec":631463},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.677518,"noise_level":-19.544668,"freq_skew":-2.597849,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871619,"usec":391576},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152535,"noise_level":-19.358652,"freq_skew":-2.524243,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40823,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[168,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871619,"usec":394512},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115861,"noise_level":-19.318407,"freq_skew":-2.793304,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":3,"cause_descr":"Terrestrial network not available","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871619,"usec":395876},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.236135,"noise_level":-19.302361,"freq_skew":-1.427916,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871620,"usec":173144},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494810,"noise_level":-19.041790,"freq_skew":2.412952,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53425,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[86,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871620,"usec":919482},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517677,"noise_level":-20.022718,"freq_skew":2.279713,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53425,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,187]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":46,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871621,"usec":708031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723270,"noise_level":-20.883110,"freq_skew":2.277900,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871624,"usec":723126},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504296,"noise_level":-21.107750,"freq_skew":2.551566,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4260,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871627,"usec":23751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335263,"noise_level":-20.373060,"freq_skew":2.533469,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871627,"usec":806299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498371,"noise_level":-20.735943,"freq_skew":1.889688,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871628,"usec":550434},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629336,"noise_level":-20.585979,"freq_skew":2.551123,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,143,222,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871629,"usec":316136},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627903,"noise_level":-21.018143,"freq_skew":2.384710,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871639,"usec":960486},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484694,"noise_level":-19.253687,"freq_skew":2.358034,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4261,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53425,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[83,103]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":47,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"PREFERRED LEVEL [level]","choice":"dM106Level","data":{"level":{"choice":"singleLevel","data":{"level_type":{"choice":"levelFlightLevel","data":{"flight_level":370}}}}}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871640,"usec":750422},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.235893,"noise_level":-20.171701,"freq_skew":2.431331,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53425,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[75,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871643,"usec":15955},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.236261,"noise_level":-20.580441,"freq_skew":-1.490866,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":2.600000},"alt":41000}},{"name":"alternate_ground_stations","value":["2651D7","20B677","214A77","261EF7","29D1D7","260F37","212317","262257"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871651,"usec":395104},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785550,"noise_level":-18.313028,"freq_skew":1.618231,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6897,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871652,"usec":154299},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751467,"noise_level":-18.691847,"freq_skew":-1.556372,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":2.600000},"alt":41000}},{"name":"alternate_ground_stations","value":["2651D7","20B677","214A77","261EF7","29D1D7","260F37","212317","262257"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871652,"usec":924608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040169,"noise_level":-18.558390,"freq_skew":-1.695085,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"AA0070","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871652,"usec":929486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.403751,"noise_level":-19.235991,"freq_skew":1.110940,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N13013","mode":"2","label":"_d","blk_id":"0","ack":"C","flight":"UA0973","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871652,"usec":931895},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880944,"noise_level":-19.204231,"freq_skew":-1.523788,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"52636015","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,65,76,0,171,60,13,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871653,"usec":678535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736659,"noise_level":-19.078337,"freq_skew":1.461829,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871653,"usec":688937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662497,"noise_level":-19.324802,"freq_skew":-1.475578,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871654,"usec":444089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018098,"noise_level":-19.808102,"freq_skew":-1.595763,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"AA0070","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871658,"usec":259994},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668278,"noise_level":-18.708284,"freq_skew":-1.810141,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"AA0070","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871660,"usec":545416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351281,"noise_level":-18.157223,"freq_skew":1.107597,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871661,"usec":298229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634793,"noise_level":-18.122166,"freq_skew":2.292671,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871662,"usec":825162},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508254,"noise_level":-17.732206,"freq_skew":2.639474,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":-0.200000},"alt":21000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871662,"usec":827243},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018521,"noise_level":-18.861660,"freq_skew":-1.771030,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"AA0070","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871662,"usec":832973},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473167,"noise_level":-18.793358,"freq_skew":2.326268,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZG","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR06AT","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871663,"usec":590899},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262731,"noise_level":-19.840038,"freq_skew":2.266725,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141246","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,166,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871664,"usec":353669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678766,"noise_level":-20.290524,"freq_skew":2.447773,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871670,"usec":448637},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052183,"noise_level":-19.057476,"freq_skew":1.249776,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53439,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[16,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871671,"usec":977273},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621120,"noise_level":-18.676321,"freq_skew":2.272164,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGHI"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":1.600000},"alt":65000}},{"name":"alternate_ground_stations","value":["219DD8","275D37","260F37","214AB7","2190F7","27CB37","214A77"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871672,"usec":733805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278836,"noise_level":-19.583437,"freq_skew":1.166615,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871672,"usec":738758},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652004,"noise_level":-19.517452,"freq_skew":2.406233,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"....N4T","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"ZD0000","msg_num":"M68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871673,"usec":494362},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386941,"noise_level":-20.504009,"freq_skew":1.188936,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N13013","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"UA0973","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871675,"usec":783573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440763,"noise_level":-19.814156,"freq_skew":-1.182400,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871676,"usec":539695},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441762,"noise_level":-20.514908,"freq_skew":2.076195,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"....N4T","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"ZD0000","msg_num":"M68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871678,"usec":68340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600957,"noise_level":-20.932302,"freq_skew":2.097985,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871678,"usec":74052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058389,"noise_level":-20.836134,"freq_skew":-2.649596,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871690,"usec":263664},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.557490,"noise_level":-17.534523,"freq_skew":1.275031,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":17,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":7,"ack":2,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,67,90,69,0,73,213,172]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,67,90,69,0,73,213,172]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871692,"usec":546934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966819,"noise_level":-17.045033,"freq_skew":1.055193,"avlc":{"src":{"addr":"A07DC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871694,"usec":823456},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353689,"noise_level":-17.344639,"freq_skew":1.129800,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871694,"usec":826156},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445020,"noise_level":-17.319084,"freq_skew":2.262044,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871694,"usec":826156},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.445020,"noise_level":-17.319084,"freq_skew":2.262044,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[71,96,236,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871694,"usec":830711},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614003,"noise_level":-18.374641,"freq_skew":2.235487,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":72,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871697,"usec":876106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361686,"noise_level":-18.460482,"freq_skew":2.246444,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":72,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871700,"usec":163980},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071723,"noise_level":-18.207018,"freq_skew":-2.835582,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"_d","blk_id":"6","ack":"L","flight":"RX0402","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871700,"usec":166004},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758093,"noise_level":-18.250748,"freq_skew":2.338135,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871703,"usec":205306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.804042,"noise_level":-17.936766,"freq_skew":1.065410,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871703,"usec":219462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.577072,"noise_level":-17.773914,"freq_skew":-0.824997,"avlc":{"src":{"addr":"406752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871704,"usec":737741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253753,"noise_level":-17.986444,"freq_skew":-0.652614,"avlc":{"src":{"addr":"406752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871704,"usec":739994},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006334,"noise_level":-17.958931,"freq_skew":-2.930682,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"RX0402","msg_num":"M58","msg_num_seq":"A","msg_text":"POS02 RXI402/27270848EGLLOERK\r\nN50110E000298,28477,084824,+139,-143,10,459,1438,+1453,302,0.772,-37,35.6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871705,"usec":500618},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.181699,"noise_level":-17.735226,"freq_skew":-2.648804,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"RX0402","msg_num":"D68","msg_num_seq":"A","sublabel":"DF","msg_text":"EB0032AA_ HZ-RXX EGLLOERK271\r\n 50270 0003650847 27146-34121601401005Z004005"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871709,"usec":314081},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156003,"noise_level":-16.941126,"freq_skew":-2.604614,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"RX0402","msg_num":"D68","msg_num_seq":"A","sublabel":"DF","msg_text":"EB0032AA_ HZ-RXX EGLLOERK271\r\n 50270 0003650847 27146-34121601401005Z004005"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871710,"usec":62689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.928003,"noise_level":-16.837910,"freq_skew":1.078190,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871710,"usec":836471},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513020,"noise_level":-16.658705,"freq_skew":2.898708,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871714,"usec":633031},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212802,"noise_level":-16.363338,"freq_skew":-2.811990,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871719,"usec":966109},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383449,"noise_level":-15.502796,"freq_skew":2.799512,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871719,"usec":975296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638323,"noise_level":-15.933273,"freq_skew":2.365884,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871720,"usec":745367},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203931,"noise_level":-16.683880,"freq_skew":-1.690305,"avlc":{"src":{"addr":"896197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EEX","mode":"2","label":"B6","blk_id":"3","ack":"!","flight":"EK07CN","msg_num":"J94","msg_num_seq":"A","msg_text":"/DXBEGEK.ADS.A6-EEX07242A38155188B6ED9C1173B7","arinc622":{"msg_type":"adsc_msg","crc_ok":true,"gs_addr":"DXBEGEK","air_addr":".A6-EEX","adsc":{"tags":[{"basic_report":{"lat":50.856915,"lon":3.747368,"alt":35692,"ts_sec":2919.000000,"pos_accuracy_nm":-1.000000,"nav_redundancy":true,"tcas_avail":true}}],"err":false}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871722,"usec":267677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.790873,"noise_level":-17.042646,"freq_skew":-1.856583,"avlc":{"src":{"addr":"896197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871725,"usec":309773},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129222,"noise_level":-16.733707,"freq_skew":-2.919285,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"RX0402","msg_num":"D69","msg_num_seq":"A","sublabel":"DF","msg_text":"MSG:NEXDNLHUDTKOFF 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871729,"usec":117372},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026875,"noise_level":-16.904175,"freq_skew":-2.683970,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HZ-RXX","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"RX0402","msg_num":"D69","msg_num_seq":"A","sublabel":"DF","msg_text":"MSG:NEXDNLHUDTKOFF 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871729,"usec":881837},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146589,"noise_level":-16.969042,"freq_skew":-2.839342,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871730,"usec":634244},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717495,"noise_level":-17.351604,"freq_skew":2.555340,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871731,"usec":413564},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397077,"noise_level":-18.025076,"freq_skew":2.550346,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221771","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,249,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871732,"usec":162443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571194,"noise_level":-18.680628,"freq_skew":2.875254,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEQ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR07CQ","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871732,"usec":170924},"freq":136975000,"burst_len_octets":119,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735981,"noise_level":-19.452320,"freq_skew":-1.715028,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"AA0070","msg_num":"M97","msg_num_seq":"A","msg_text":"POSA1N52628E 3043,ESHIN ,083235,410,DIXAT ,090937,,*****,21.63, 278, 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871732,"usec":173025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817031,"noise_level":-20.390591,"freq_skew":2.801119,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871733,"usec":688138},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990054,"noise_level":-20.060768,"freq_skew":1.153110,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LCPH"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":4.700000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871733,"usec":692601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889799,"noise_level":-19.999754,"freq_skew":2.842370,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871733,"usec":692709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346491,"noise_level":-19.999754,"freq_skew":-1.552296,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871734,"usec":449007},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940890,"noise_level":-19.827753,"freq_skew":0.925926,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127113","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,75,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871735,"usec":197287},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652770,"noise_level":-20.065481,"freq_skew":1.145780,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHY","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR86EP","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871735,"usec":978110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005602,"noise_level":-19.849398,"freq_skew":2.054211,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871736,"usec":736371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126395,"noise_level":-19.555635,"freq_skew":0.920467,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871738,"usec":259994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.600405,"noise_level":-19.545574,"freq_skew":0.762204,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871740,"usec":543113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212737,"noise_level":-19.539360,"freq_skew":-1.279547,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[68,194,211,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871740,"usec":547486},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656511,"noise_level":-19.473709,"freq_skew":0.919724,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[116,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871743,"usec":591033},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.610435,"noise_level":-18.850740,"freq_skew":1.866890,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":45,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871743,"usec":595834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824539,"noise_level":-18.797636,"freq_skew":0.735347,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871743,"usec":597339},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995735,"noise_level":-18.774975,"freq_skew":-1.554902,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[68,194,211,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871745,"usec":879751},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860474,"noise_level":-18.297991,"freq_skew":1.126709,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[116,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871745,"usec":885874},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033095,"noise_level":-18.226879,"freq_skew":-2.757740,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40823,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[145,119]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871745,"usec":886449},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843001,"noise_level":-19.071602,"freq_skew":1.953745,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":1.100000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871746,"usec":637397},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592370,"noise_level":-19.134920,"freq_skew":2.280967,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"BA61XM","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871746,"usec":637397},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.592370,"noise_level":-19.134920,"freq_skew":2.280967,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20004576","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,9,126,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871747,"usec":389205},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876915,"noise_level":-18.963642,"freq_skew":1.997120,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":45,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871747,"usec":396956},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831110,"noise_level":-18.863998,"freq_skew":1.890698,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871748,"usec":157503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927669,"noise_level":-19.707903,"freq_skew":1.631728,"avlc":{"src":{"addr":"4D0238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214A77","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871748,"usec":169760},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470165,"noise_level":-19.541531,"freq_skew":2.252405,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[21,143,222,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871748,"usec":940717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669206,"noise_level":-20.429344,"freq_skew":-1.335753,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871748,"usec":941200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805832,"noise_level":-20.420223,"freq_skew":2.174297,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871748,"usec":945098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720937,"noise_level":-20.356640,"freq_skew":2.317841,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871750,"usec":461825},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256132,"noise_level":-20.028078,"freq_skew":1.014657,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1739,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[116,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871750,"usec":462172},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912378,"noise_level":-20.065794,"freq_skew":-2.809608,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1530,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871768,"usec":736813},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746806,"noise_level":-15.928135,"freq_skew":-1.691987,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871770,"usec":256640},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521428,"noise_level":-15.653113,"freq_skew":2.275869,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871770,"usec":256640},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.521428,"noise_level":-15.653113,"freq_skew":2.275869,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[71,176,65,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871774,"usec":79687},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383183,"noise_level":-16.233223,"freq_skew":2.298246,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871774,"usec":819875},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.046252,"noise_level":-16.617218,"freq_skew":2.166776,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871783,"usec":970746},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862456,"noise_level":-15.942839,"freq_skew":2.031437,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILV","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR86QT","msg_num":"M73","msg_num_seq":"A","msg_text":"084941,27618,1121, 185,N 53.022 W 2.819"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871785,"usec":506647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.162198,"noise_level":-15.802808,"freq_skew":-0.479362,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871788,"usec":549993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355706,"noise_level":-15.386616,"freq_skew":1.995833,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871790,"usec":66020},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012494,"noise_level":-15.683386,"freq_skew":-1.670279,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871790,"usec":834514},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807005,"noise_level":-15.657034,"freq_skew":0.993098,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55810,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[85,216]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871795,"usec":395365},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538569,"noise_level":-15.873049,"freq_skew":2.747545,"avlc":{"src":{"addr":"4D23F9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53408,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[103,66]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871798,"usec":444652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640481,"noise_level":-16.506588,"freq_skew":2.239921,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871798,"usec":450745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930939,"noise_level":-16.857723,"freq_skew":-2.832045,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871801,"usec":505050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937703,"noise_level":-16.224165,"freq_skew":-1.418938,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871806,"usec":71149},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022282,"noise_level":-15.695773,"freq_skew":2.168411,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53425,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[75,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871807,"usec":583477},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.808742,"noise_level":-16.225838,"freq_skew":2.428664,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871815,"usec":209559},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769730,"noise_level":-16.287159,"freq_skew":2.725772,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"2L03VB","msg_num":"D04","msg_num_seq":"A","sublabel":"DF","msg_text":"acmf_06120057_a[00]_o[00]_gr_20260527084951_s.csv\r\nACMF SNAPSHOT REPORT2026 MAY 27 08:49:51\r\nA/CHB-AZJ\r\nSWVER10.0.0APPVER7.0.0APPNAMEOEM\r\nSIZE5671 B\r\n8.0\r\nR2026 MAY 27 08:49:51T2026 MAY 27 08:49:51\r\nLO0.000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871817,"usec":495482},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994155,"noise_level":-16.735569,"freq_skew":2.473421,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"2L03VB","msg_num":"D04","msg_num_seq":"B","sublabel":"DF","msg_text":"000LA0.000000\r\n-----\r\n24966,24966,-46261,0,11189,10157,0,5,0,8,1,0,3,3,8,8,7,7,463,719,1515870720,0,43\r\n1,687,367,623,-2147483153,-2147482897,-2147483361,-2147483105,415,671,351,607,-2\r\n147483169,-214748291"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871823,"usec":594934},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545180,"noise_level":-16.525085,"freq_skew":0.884247,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGTK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871825,"usec":124454},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988701,"noise_level":-16.283939,"freq_skew":0.760611,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22206604","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,80,84,0,73,13,132,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871825,"usec":878454},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965586,"noise_level":-16.982943,"freq_skew":0.749914,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCLD","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"GS0001","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871826,"usec":645583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039032,"noise_level":-16.979239,"freq_skew":0.949566,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871826,"usec":651507},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646062,"noise_level":-17.770023,"freq_skew":0.793422,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..2HWDN","mode":"2","label":"20","blk_id":"3","ack":"!","flight":"ZD0000","msg_num":"M31","msg_num_seq":"A","msg_text":"POSN52010W000284,,085024,242,SIVDA....,085430,,N27,23314,,373"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871827,"usec":401751},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065741,"noise_level":-17.623444,"freq_skew":0.754124,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LCPH"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":5.000000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871827,"usec":407858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765993,"noise_level":-17.551071,"freq_skew":0.642580,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871827,"usec":408430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679891,"noise_level":-17.544521,"freq_skew":-1.682126,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871828,"usec":150243},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830079,"noise_level":-17.544521,"freq_skew":0.926043,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR86EP","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871828,"usec":158533},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918662,"noise_level":-17.946888,"freq_skew":1.060324,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127113","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,75,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871829,"usec":693739},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239863,"noise_level":-17.597424,"freq_skew":0.885840,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871830,"usec":439635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.007371,"noise_level":-17.783442,"freq_skew":1.319770,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871830,"usec":446307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126601,"noise_level":-17.716404,"freq_skew":1.007803,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871831,"usec":977744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.653763,"noise_level":-18.224588,"freq_skew":0.956389,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871832,"usec":727209},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061327,"noise_level":-18.077160,"freq_skew":2.620683,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"BA21ML","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871835,"usec":19262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451797,"noise_level":-17.524321,"freq_skew":1.446901,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871837,"usec":308229},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485853,"noise_level":-18.314627,"freq_skew":2.126396,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWH","mode":"2","label":"8E","blk_id":"8","ack":"!","flight":"U225RW","msg_num":"M25","msg_num_seq":"A","msg_text":"EGGD,0920"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871838,"usec":834264},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.151565,"noise_level":-18.474360,"freq_skew":2.194389,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"BA61XM","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871839,"usec":592631},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411735,"noise_level":-19.062979,"freq_skew":2.120672,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871839,"usec":593082},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662974,"noise_level":-19.062979,"freq_skew":1.948256,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"15","blk_id":"4","ack":"!","flight":"BA61XM","msg_num":"M16","msg_num_seq":"A","msg_text":"FST01LIPZEGLL 219 32 13 09120850"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871839,"usec":599979},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.268597,"noise_level":-19.387091,"freq_skew":2.347218,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"15","blk_id":"5","ack":"!","flight":"BA21ML","msg_num":"M75","msg_num_seq":"A","msg_text":"FST01KDENEGLLN525092W0019904289 77 492 M39C009013145144455 09120850"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871840,"usec":346438},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131183,"noise_level":-19.282497,"freq_skew":2.720158,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"2L03VB","msg_num":"D04","msg_num_seq":"K","sublabel":"DF","msg_text":",0.0315,0,0.0101,0.0037,0.0042,0.0057,0.0042,0.0067,\r\n0.0059,0.0732,0.0810,0.1608,0,0.1415,0.2363,0.0795,0.0872,0.1541,0.0964,0.0578,0\r\n.0466,0.0581,0.1084,-536870468,0.1309,0.0525,0.0406,0.0715,0.0842,-20,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871841,"usec":121090},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909229,"noise_level":-19.100479,"freq_skew":0.770455,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1741,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[116,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871841,"usec":876798},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061743,"noise_level":-18.845810,"freq_skew":2.527009,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871841,"usec":876798},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.061743,"noise_level":-18.845810,"freq_skew":2.527009,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"BA21ML","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871841,"usec":878488},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039664,"noise_level":-19.349209,"freq_skew":2.522892,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"2L03VB","msg_num":"D04","msg_num_seq":"L","sublabel":"DF","msg_text":"0,30,0,-8,\r\n42,21700,21700, 32, 30\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871842,"usec":650138},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431292,"noise_level":-19.723127,"freq_skew":2.083178,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"15","blk_id":"4","ack":"!","flight":"BA61XM","msg_num":"M16","msg_num_seq":"A","msg_text":"FST01LIPZEGLL 219 32 13 09120850"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871844,"usec":170306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971632,"noise_level":-19.280281,"freq_skew":2.495856,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871847,"usec":968798},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039735,"noise_level":-18.355839,"freq_skew":-1.878016,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871851,"usec":9715},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784203,"noise_level":-18.704361,"freq_skew":0.928463,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1742,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871854,"usec":824156},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606779,"noise_level":-18.559248,"freq_skew":2.151612,"avlc":{"src":{"addr":"40097E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUC","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"BA61XM","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871857,"usec":111172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126097,"noise_level":-17.941559,"freq_skew":0.864091,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871858,"usec":647042},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424523,"noise_level":-17.572577,"freq_skew":-3.048316,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40823,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[145,119]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871860,"usec":180253},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018620,"noise_level":-17.446463,"freq_skew":-1.687575,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[68,194,211,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871862,"usec":447464},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693082,"noise_level":-17.952984,"freq_skew":2.313483,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[75,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871863,"usec":977324},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829435,"noise_level":-18.589529,"freq_skew":-1.828901,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[68,194,211,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871867,"usec":18402},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979257,"noise_level":-17.914927,"freq_skew":2.301862,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[106,92,17,243]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53415,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[173,198,40,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":51,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871867,"usec":782616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743393,"noise_level":-18.334709,"freq_skew":2.049332,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871867,"usec":783604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.047170,"noise_level":-18.327543,"freq_skew":1.956654,"avlc":{"src":{"addr":"4C0221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225457","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871870,"usec":57914},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027837,"noise_level":-17.819660,"freq_skew":2.520430,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,3]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871874,"usec":660945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.208343,"noise_level":-16.944984,"freq_skew":1.357587,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[15,119,128,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871876,"usec":151804},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649346,"noise_level":-17.654366,"freq_skew":2.273468,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":75,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53415,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,113,161,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":51,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871876,"usec":926512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464851,"noise_level":-17.464180,"freq_skew":2.155517,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871877,"usec":690433},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591386,"noise_level":-17.397186,"freq_skew":2.052361,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":76,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[221,251,12,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871883,"usec":27169},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529799,"noise_level":-16.986881,"freq_skew":1.234316,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":197,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871886,"usec":849340},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476586,"noise_level":-17.404459,"freq_skew":1.290480,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":197,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871887,"usec":584781},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683888,"noise_level":-18.598101,"freq_skew":-1.831862,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"DK0566","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871888,"usec":339083},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680483,"noise_level":-19.560883,"freq_skew":1.168599,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871888,"usec":343501},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591359,"noise_level":-20.719791,"freq_skew":-2.035627,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"DK0566","msg_num":"F46","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871889,"usec":115972},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547820,"noise_level":-21.325569,"freq_skew":-2.041066,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"DK0566","msg_num":"F47","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN51417E000048,DIGSU,085125,380,IBNID,090444,MARUK,M57,22010,489/TS085125,2705268006"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871889,"usec":877053},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.244123,"noise_level":-22.132971,"freq_skew":2.480718,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"BA21ML","msg_num":"J48","msg_num_seq":"A","msg_text":"/EGLL.TI2/000EGLLAABB2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871889,"usec":881882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331456,"noise_level":-22.044592,"freq_skew":-2.006723,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871890,"usec":628200},"freq":136975000,"burst_len_octets":171,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879225,"noise_level":-22.972401,"freq_skew":2.592192,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"2L03VB","msg_num":"C08","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE085113052711751.42969/0.301906\r\n08450903384 0 0\r\n08490814813 0 0\r\n08490814813 2026 3\r\n08490814817 0 0\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871890,"usec":635848},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098919,"noise_level":-22.826860,"freq_skew":0.800506,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55810,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[85,216]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871891,"usec":403448},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770386,"noise_level":-22.589588,"freq_skew":-1.859713,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":120,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871892,"usec":163833},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341963,"noise_level":-22.791080,"freq_skew":2.435198,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"8","ack":"I","flight":"BA21ML","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871892,"usec":169202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618082,"noise_level":-22.683943,"freq_skew":-1.701778,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871892,"usec":919442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114839,"noise_level":-22.416008,"freq_skew":2.659288,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871893,"usec":702387},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695187,"noise_level":-21.968857,"freq_skew":-2.734436,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871893,"usec":704249},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387208,"noise_level":-21.936228,"freq_skew":1.355022,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[156,45,31,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871894,"usec":448837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257221,"noise_level":-22.819218,"freq_skew":2.370068,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871895,"usec":212835},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.824162,"noise_level":-22.523880,"freq_skew":0.904774,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1743,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55810,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[85,216]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871896,"usec":724246},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767737,"noise_level":-22.016333,"freq_skew":1.025146,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[6]},{"name":"dst_airport","value":"EGKB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871896,"usec":728753},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.680459,"noise_level":-22.252003,"freq_skew":2.396399,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"8","ack":"I","flight":"BA21ML","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871896,"usec":732440},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738479,"noise_level":-22.184723,"freq_skew":0.946320,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":6,"calling_addr":"22352654","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,67,90,69,0,73,213,172,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871898,"usec":262607},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633315,"noise_level":-21.770304,"freq_skew":2.424837,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":432,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871899,"usec":43255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080863,"noise_level":-21.425785,"freq_skew":2.429114,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871900,"usec":541030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219576,"noise_level":-21.045294,"freq_skew":0.919843,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871902,"usec":78742},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535830,"noise_level":-21.193838,"freq_skew":1.263677,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCJ","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"FR98KJ","msg_num":"M44","msg_num_seq":"A","msg_text":"085140,58224,0911, 76,N 52.010 E 1.542"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871902,"usec":79307},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.201920,"noise_level":-21.193838,"freq_skew":3.255301,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"KL0982","msg_num":"C32","msg_num_seq":"E","sublabel":"CF","msg_text":"5, 77, 69, 71,\n76, 67,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871903,"usec":599979},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076316,"noise_level":-20.871038,"freq_skew":2.330012,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871903,"usec":599979},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.076316,"noise_level":-20.871038,"freq_skew":2.330012,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"9","ack":"J","flight":"BA21ML","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871904,"usec":358350},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049651,"noise_level":-20.541298,"freq_skew":-0.725173,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"80","blk_id":"4","ack":"!","flight":"MC0000","msg_num":"M06","msg_num_seq":"A","msg_text":"REQINI/ID10315S,LAGR74,/DC27052026,085141/MR4,/FB1234/VR324733"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871904,"usec":360369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.866256,"noise_level":-20.522827,"freq_skew":3.079544,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871905,"usec":103888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691901,"noise_level":-20.449341,"freq_skew":1.383520,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871905,"usec":110554},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.242388,"noise_level":-20.349300,"freq_skew":2.674882,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"2L03VB","msg_num":"C09","msg_num_seq":"A","sublabel":"CF","msg_text":"MM085114052711751.42969/0.301906\r\n08393602 360 11\r\n08490814 144218\r\n08490814 127 30\r\n08490814 1282828\r\n08490814 1282864\r\n08490814 340 56\r\n08490814 340 67\r\n084908142026 3\r\n084908142102 12\r\n0849220421"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871906,"usec":640105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968426,"noise_level":-19.977585,"freq_skew":-0.872138,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871907,"usec":406645},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064593,"noise_level":-20.265938,"freq_skew":2.705452,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"2L03VB","msg_num":"C09","msg_num_seq":"B","sublabel":"CF","msg_text":"MM085114052711751.42969/0.301906\r\n08393602 360 11\r\n08490814 144218\r\n08490814 127 30\r\n08490814 1282828\r\n08490814 1282864\r\n08490814 340 56\r\n08490814 340 67\r\n084908142026 3\r\n084908142102 12\r\n084922042102 12\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871909,"usec":704389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562338,"noise_level":-19.618937,"freq_skew":2.891112,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871918,"usec":69531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749969,"noise_level":-17.491331,"freq_skew":1.798202,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871923,"usec":397150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.276886,"noise_level":-18.080542,"freq_skew":-2.072874,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[88,9,129,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871927,"usec":961482},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.731925,"noise_level":-17.816259,"freq_skew":1.204991,"avlc":{"src":{"addr":"501C0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871934,"usec":68476},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.214031,"noise_level":-16.613060,"freq_skew":1.149547,"avlc":{"src":{"addr":"501C0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,90,90,0,80,28,12,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871937,"usec":135000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.131207,"noise_level":-15.978376,"freq_skew":1.054418,"avlc":{"src":{"addr":"501C0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871942,"usec":438857},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360188,"noise_level":-15.888768,"freq_skew":0.965211,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[16,204,26,68]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53461,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,86,177,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":52,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871943,"usec":228329},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724725,"noise_level":-16.957453,"freq_skew":1.297757,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871946,"usec":264131},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.579161,"noise_level":-17.351109,"freq_skew":0.947478,"avlc":{"src":{"addr":"4CAE4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1744,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":37999,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[116,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871947,"usec":782977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031457,"noise_level":-17.001728,"freq_skew":-1.917832,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871947,"usec":783296},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362740,"noise_level":-17.001728,"freq_skew":1.119252,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53461,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[13,19,242,143]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":52,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871948,"usec":546268},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430550,"noise_level":-18.050497,"freq_skew":0.977609,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871949,"usec":309380},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658077,"noise_level":-19.179255,"freq_skew":1.147992,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":201,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53461,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[186,102,126,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871949,"usec":314223},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444833,"noise_level":-19.494324,"freq_skew":1.156497,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53461,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[159,85,2,253]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871949,"usec":317411},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500993,"noise_level":-20.646219,"freq_skew":1.222586,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":203,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55931,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[4,191,206,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":52,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":65720},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647587,"noise_level":-20.807755,"freq_skew":1.085524,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":65720},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.647587,"noise_level":-20.807755,"freq_skew":1.085524,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":70062},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136501,"noise_level":-21.917099,"freq_skew":1.113770,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":828554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.425397,"noise_level":-21.724293,"freq_skew":1.039944,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":832844},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325523,"noise_level":-21.671488,"freq_skew":2.285379,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":2.000000},"alt":34000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871950,"usec":838388},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229241,"noise_level":-21.587660,"freq_skew":1.186960,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6898,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871953,"usec":113002},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266408,"noise_level":-22.782818,"freq_skew":1.265492,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871953,"usec":115005},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514585,"noise_level":-22.746992,"freq_skew":1.373077,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":53461,"variable_part_params":[{"name":"atn_checksum","value":[204,106,84,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871953,"usec":868905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.402347,"noise_level":-22.562408,"freq_skew":-2.991983,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871953,"usec":873191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654925,"noise_level":-22.481125,"freq_skew":1.162430,"avlc":{"src":{"addr":"4D2226","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871953,"usec":876778},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591034,"noise_level":-24.111547,"freq_skew":1.173641,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":205,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[160,158,163,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871954,"usec":650461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493420,"noise_level":-23.742981,"freq_skew":1.174780,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871957,"usec":701120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961713,"noise_level":-22.499836,"freq_skew":3.247608,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871961,"usec":508264},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.436387,"noise_level":-21.013071,"freq_skew":2.154720,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":2.000000},"alt":34000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871962,"usec":266501},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.278753,"noise_level":-20.923874,"freq_skew":1.214776,"avlc":{"src":{"addr":"501C0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871969,"usec":863884},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294692,"noise_level":-18.807968,"freq_skew":2.012470,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGNX"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":0.300000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871969,"usec":864975},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.815427,"noise_level":-19.767500,"freq_skew":1.013885,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":109,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871971,"usec":403258},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.482993,"noise_level":-19.218620,"freq_skew":-2.008344,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871973,"usec":698176},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480769,"noise_level":-19.295300,"freq_skew":0.951921,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":109,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871978,"usec":261926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270937,"noise_level":-18.113958,"freq_skew":0.989807,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871978,"usec":269623},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.684856,"noise_level":-19.121964,"freq_skew":-2.789681,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40823,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[145,119]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871979,"usec":14648},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669458,"noise_level":-19.028259,"freq_skew":1.194384,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[245,107,213,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871979,"usec":18546},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383152,"noise_level":-20.234652,"freq_skew":2.180515,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EGNX"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":0.300000},"alt":28000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871980,"usec":541508},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426652,"noise_level":-20.822382,"freq_skew":2.062588,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127237","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,159,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871980,"usec":550082},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416487,"noise_level":-20.689720,"freq_skew":1.989886,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKY","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR8086","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871981,"usec":308290},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660125,"noise_level":-21.100430,"freq_skew":2.104143,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":238,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":68853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035564,"noise_level":-21.738703,"freq_skew":1.177469,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"W668LU","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":821507},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.443805,"noise_level":-21.530060,"freq_skew":-2.922622,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":832485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820958,"noise_level":-21.345568,"freq_skew":1.991788,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":833707},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433018,"noise_level":-21.526554,"freq_skew":1.074031,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"W668LU","msg_num":"F25","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":834948},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.659665,"noise_level":-22.097458,"freq_skew":-3.068900,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40823,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[145,119]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871982,"usec":835323},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.300198,"noise_level":-22.097458,"freq_skew":1.158086,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"9","ack":"Q","flight":"W668LU","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871983,"usec":595227},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.156438,"noise_level":-21.836031,"freq_skew":-0.930997,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"hdlc_options","value":[32,132,128]},{"name":"procedure_classes","value":[0,1]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EKVG"},{"name":"ac_location","value":{"loc":{"lat":53.200001,"lon":1.300000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871984,"usec":352608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.417833,"noise_level":-21.793213,"freq_skew":-1.025431,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".40087E","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"MC0000","msg_num":"M59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871985,"usec":866227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.390100,"noise_level":-21.185020,"freq_skew":-0.855919,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871986,"usec":639257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815693,"noise_level":-20.988155,"freq_skew":2.161197,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871986,"usec":640326},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.820119,"noise_level":-21.426012,"freq_skew":-1.062653,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":3,"credit_offered":0,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871986,"usec":648996},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358709,"noise_level":-21.273819,"freq_skew":1.290270,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"W668LU","msg_num":"F25","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871986,"usec":651791},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409810,"noise_level":-22.115314,"freq_skew":1.212886,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"9","ack":"Q","flight":"W668LU","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871987,"usec":393416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.948299,"noise_level":-22.507439,"freq_skew":-1.038141,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871987,"usec":405678},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633030,"noise_level":-22.256067,"freq_skew":1.042122,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"W668LU","msg_num":"F26","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN51190E001198,N51214E001049,085301,270,N51182E001250,085332,N51121E002018,M36,22914,1595C04"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871988,"usec":920432},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316137,"noise_level":-22.632217,"freq_skew":1.097030,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"W668LU","msg_num":"F27","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871989,"usec":693478},"freq":136975000,"burst_len_octets":293,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556840,"noise_level":-22.140684,"freq_skew":1.326158,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"W668LU","msg_num":"F28","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLIRF,34R,68,105802/PR1627,254,350,159,,0,8,,M53,60,,,P31,P4,40650,,1468,277/RP:DA:EGGW:AA:LIRF..N51182E001250..N51121E002018..KOK..REMBA..RITAX..SUTAL..GTQ..DEVDI..RIPUS..GERSA..SOSON..ODINA..EKPAL..TINKU:A:XIBI3C:AP:ILS34R.ODULA(34R)00F9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871991,"usec":223258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776525,"noise_level":-22.648918,"freq_skew":1.204889,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871991,"usec":224728},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475414,"noise_level":-23.845823,"freq_skew":0.744501,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":6,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":18,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871992,"usec":745375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822992,"noise_level":-23.119682,"freq_skew":-2.191960,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871993,"usec":489019},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798287,"noise_level":-23.430101,"freq_skew":-2.264915,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[153,143,6,80]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[39,203,162,201]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":53,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871993,"usec":492231},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883986,"noise_level":-23.365879,"freq_skew":2.819672,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"KL0982","msg_num":"C33","msg_num_seq":"A","sublabel":"CF","msg_text":"MM0853020527ABQ\n08510114 9402925\n08510114 9402926\n08510114 9402927\n08510114 9402928\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871994,"usec":249109},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060996,"noise_level":-23.502159,"freq_skew":3.045381,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":3.400000},"alt":24000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871994,"usec":255970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953467,"noise_level":-23.347549,"freq_skew":-2.226336,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871995,"usec":29576},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481655,"noise_level":-23.482784,"freq_skew":1.760657,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":77,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871995,"usec":32487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076732,"noise_level":-24.061811,"freq_skew":1.119660,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871995,"usec":776287},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193671,"noise_level":-24.523066,"freq_skew":3.272376,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"KL082Q","msg_num":"M20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871995,"usec":779553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581917,"noise_level":-24.435780,"freq_skew":3.214791,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871995,"usec":781142},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985032,"noise_level":-24.392464,"freq_skew":3.207259,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22051364","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,82,244,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871996,"usec":555928},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.350686,"noise_level":-23.875271,"freq_skew":-0.808594,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871997,"usec":303194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102676,"noise_level":-23.821159,"freq_skew":-0.993478,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"_d","blk_id":"5","ack":"A","flight":"MC0000","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871997,"usec":313485},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326786,"noise_level":-23.594873,"freq_skew":1.336351,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"3","ack":"R","flight":"W668LU","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871998,"usec":58088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.579109,"noise_level":-23.486040,"freq_skew":3.193480,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871998,"usec":59677},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700667,"noise_level":-23.447199,"freq_skew":1.734638,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[221,251,12,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779871998,"usec":68516},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614575,"noise_level":-23.255566,"freq_skew":1.360653,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"W668LU","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872000,"usec":343933},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458360,"noise_level":-22.881432,"freq_skew":-2.181347,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,238,94,42]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":53,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872000,"usec":345452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.659456,"noise_level":-22.845200,"freq_skew":-0.960491,"avlc":{"src":{"addr":"AE01B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872000,"usec":356883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888256,"noise_level":-22.607431,"freq_skew":-2.276277,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":114715},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302765,"noise_level":-23.320736,"freq_skew":2.420858,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":2.700000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":119122},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581192,"noise_level":-23.232077,"freq_skew":-2.122113,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":123800},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021210,"noise_level":-23.491756,"freq_skew":1.929932,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":5}},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":2.000000},"alt":34000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":875258},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594511,"noise_level":-23.361553,"freq_skew":1.308434,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"W668LU","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":881959},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891686,"noise_level":-23.450092,"freq_skew":-2.067692,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[238,92,56,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":882134},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259744,"noise_level":-23.450092,"freq_skew":2.375341,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127112","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,74,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872001,"usec":882344},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.586409,"noise_level":-23.450092,"freq_skew":2.017722,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMJ","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"XQ02VN","msg_num":"M17","msg_num_seq":"A","msg_text":"/EGKK.TI2/024EGKKAD1F7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872002,"usec":639308},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255177,"noise_level":-23.271046,"freq_skew":2.660559,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHX","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR03YW","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872002,"usec":639588},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167612,"noise_level":-23.271046,"freq_skew":2.086653,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22746652","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,170,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872002,"usec":642829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038645,"noise_level":-23.195427,"freq_skew":1.634769,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872003,"usec":411033},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.487089,"noise_level":-22.972441,"freq_skew":2.221641,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMJ","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"XQ02VN","msg_num":"M17","msg_num_seq":"A","msg_text":"/EGKK.TI2/024EGKKAD1F7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872004,"usec":151213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142694,"noise_level":-22.755033,"freq_skew":2.295572,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872004,"usec":924742},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732831,"noise_level":-22.200565,"freq_skew":1.447827,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[221,251,12,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872005,"usec":678245},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558213,"noise_level":-23.063440,"freq_skew":1.047085,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"W668LU","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872006,"usec":451549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037734,"noise_level":-23.665724,"freq_skew":1.909608,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMJ","mode":"2","label":"_d","blk_id":"3","ack":"E","flight":"XQ02VN","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872006,"usec":452824},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124339,"noise_level":-23.726276,"freq_skew":2.458648,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127112","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,74,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872007,"usec":207128},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.104137,"noise_level":-24.166849,"freq_skew":2.116250,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMJ","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"XQ02VN","msg_num":"M16","msg_num_seq":"A","msg_text":"085226,35000,0923, 50,N 49.889 E 2.053/SXS2VN"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872007,"usec":208648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632902,"noise_level":-24.138828,"freq_skew":2.383252,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHX","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR03YW","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872007,"usec":989666},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894663,"noise_level":-23.769127,"freq_skew":1.669736,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":78,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[221,251,12,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872008,"usec":726496},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209822,"noise_level":-23.440296,"freq_skew":2.050988,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMJ","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"XQ02VN","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872008,"usec":735731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873435,"noise_level":-23.223598,"freq_skew":2.713731,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872009,"usec":506647},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.014911,"noise_level":-22.963165,"freq_skew":0.502646,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EICK"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":-2.300000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872010,"usec":256456},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.320718,"noise_level":-22.769854,"freq_skew":0.502489,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EI07HL","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872010,"usec":256456},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.320718,"noise_level":-22.769854,"freq_skew":0.502489,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126577","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,173,127,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872010,"usec":258175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503944,"noise_level":-22.734081,"freq_skew":2.648346,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872011,"usec":23639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.622720,"noise_level":-22.658689,"freq_skew":0.721922,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872012,"usec":543019},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.065576,"noise_level":-22.232828,"freq_skew":2.220841,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5963,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53452,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[210,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872013,"usec":300485},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910699,"noise_level":-22.021997,"freq_skew":2.237691,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5964,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53452,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[81,202]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":53,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE"}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872014,"usec":75913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.448231,"noise_level":-21.521450,"freq_skew":2.061371,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872015,"usec":590705},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619827,"noise_level":-21.136833,"freq_skew":1.311950,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"W668LU","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872016,"usec":351303},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757246,"noise_level":-21.390982,"freq_skew":1.237733,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"W668LU","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872016,"usec":354347},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639488,"noise_level":-22.582388,"freq_skew":1.028944,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":1.100000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872016,"usec":355607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978499,"noise_level":-22.559032,"freq_skew":2.080847,"avlc":{"src":{"addr":"4BCDAA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872017,"usec":124919},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075323,"noise_level":-22.317520,"freq_skew":0.976491,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNW","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"BA0399","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872017,"usec":124919},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.075323,"noise_level":-22.317520,"freq_skew":0.976491,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100340","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,128,224,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872017,"usec":129566},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541538,"noise_level":-22.738308,"freq_skew":0.991139,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"W668LU","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872019,"usec":397702},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500245,"noise_level":-23.023895,"freq_skew":1.114084,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"W668LU","msg_num":"F29","msg_num_seq":"A","sublabel":"M1","msg_text":"REJPWI,085337,101,,001,5A6B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872019,"usec":408361},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969025,"noise_level":-22.805216,"freq_skew":1.090923,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872019,"usec":408361},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.969025,"noise_level":-22.805216,"freq_skew":1.090923,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNW","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"BA0399","msg_num":"S80","msg_num_seq":"A","msg_text":"0EV085334V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":8,"min":53,"sec":34}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872021,"usec":699121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981009,"noise_level":-22.113655,"freq_skew":1.136602,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872022,"usec":446657},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474367,"noise_level":-21.734295,"freq_skew":1.281067,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"W668LU","msg_num":"F29","msg_num_seq":"A","sublabel":"M1","msg_text":"REJPWI,085337,101,,001,5A6B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872023,"usec":221264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.215589,"noise_level":-21.421814,"freq_skew":-0.721000,"avlc":{"src":{"addr":"4CA63A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872023,"usec":964918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594145,"noise_level":-21.320103,"freq_skew":1.056993,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872033,"usec":894941},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879693,"noise_level":-18.337051,"freq_skew":2.939234,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[75,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872035,"usec":406663},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155573,"noise_level":-18.974142,"freq_skew":-2.256561,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[68,41,106,165]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[38,88,105,117]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":53,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872036,"usec":918986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963087,"noise_level":-18.708113,"freq_skew":-2.092179,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872036,"usec":926249},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.275293,"noise_level":-18.618748,"freq_skew":0.344586,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53448,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[100,17,140,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872038,"usec":453215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852669,"noise_level":-18.270203,"freq_skew":0.642758,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872038,"usec":455851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.024862,"noise_level":-18.241779,"freq_skew":-3.145434,"avlc":{"src":{"addr":"711486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872038,"usec":460128},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601779,"noise_level":-18.185209,"freq_skew":2.877701,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,3]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872039,"usec":961840},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423493,"noise_level":-17.900934,"freq_skew":2.580486,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53422,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[63,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872039,"usec":970287},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238085,"noise_level":-17.799213,"freq_skew":2.673345,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53422,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[238,56]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872041,"usec":500538},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505066,"noise_level":-18.538712,"freq_skew":2.369825,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":27,"dst_ref":53422,"variable_part_params":[{"name":"checksum","value":[31,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872042,"usec":271645},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215081,"noise_level":-18.306919,"freq_skew":-2.050716,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[36,253,29,194]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":54,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872043,"usec":30534},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213638,"noise_level":-18.158098,"freq_skew":-2.358589,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872044,"usec":548345},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.306203,"noise_level":-17.874695,"freq_skew":-2.425502,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[153,245,156,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872046,"usec":824750},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568476,"noise_level":-17.366217,"freq_skew":1.408172,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":79,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[111,121,144,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872049,"usec":880085},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739060,"noise_level":-16.587597,"freq_skew":0.997732,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872049,"usec":880085},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.739060,"noise_level":-16.587597,"freq_skew":0.997732,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872053,"usec":690869},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168239,"noise_level":-17.223608,"freq_skew":1.092181,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872053,"usec":697762},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287843,"noise_level":-17.524330,"freq_skew":1.180205,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872057,"usec":494257},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.417923,"noise_level":-17.223207,"freq_skew":3.250585,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"2L03VB","msg_num":"C11","msg_num_seq":"A","sublabel":"CF","msg_text":"MM085401052711751.42969/0.301906\r\n085156152102 13\r\n085158052102 13\r\n085340152102 13\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872059,"usec":792065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818423,"noise_level":-17.263290,"freq_skew":3.030272,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872067,"usec":406296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.126301,"noise_level":-16.041977,"freq_skew":0.256984,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872068,"usec":154491},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937417,"noise_level":-16.186504,"freq_skew":-2.052825,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872070,"usec":444021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.031235,"noise_level":-15.833054,"freq_skew":0.808333,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872072,"usec":727736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427160,"noise_level":-16.486416,"freq_skew":2.885911,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872072,"usec":729602},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.382323,"noise_level":-16.469044,"freq_skew":-2.216990,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.299999,"lon":4.200000},"alt":40000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872072,"usec":734228},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.281677,"noise_level":-16.422890,"freq_skew":-1.983912,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"52636015","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,65,76,0,171,60,13,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872072,"usec":735247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113899,"noise_level":-16.417139,"freq_skew":2.858541,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872077,"usec":317911},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.438912,"noise_level":-15.978475,"freq_skew":-2.085171,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N823AN","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"AA0070","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872077,"usec":317911},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.438912,"noise_level":-15.978475,"freq_skew":-2.085171,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"52636015","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,65,76,0,171,60,13,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872078,"usec":76109},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399780,"noise_level":-15.825290,"freq_skew":1.135681,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":1.600000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872078,"usec":78578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473160,"noise_level":-16.936516,"freq_skew":-1.844824,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872078,"usec":836019},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309299,"noise_level":-16.893890,"freq_skew":2.013137,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDC"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":0.400000},"alt":49000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872078,"usec":836858},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558006,"noise_level":-17.343323,"freq_skew":1.163215,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"W668LU","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872078,"usec":836858},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.558006,"noise_level":-17.343323,"freq_skew":1.163215,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222216","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,87,90,90,0,77,36,142,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872079,"usec":594734},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416029,"noise_level":-18.179510,"freq_skew":1.955834,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22140450","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,40,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872079,"usec":600685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535233,"noise_level":-19.322353,"freq_skew":1.177677,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872079,"usec":601961},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382429,"noise_level":-19.435802,"freq_skew":2.094694,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FRRYS9","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872080,"usec":369081},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348677,"noise_level":-19.631651,"freq_skew":2.244911,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":187,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,72,193,40],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872081,"usec":123449},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.518363,"noise_level":-20.047132,"freq_skew":0.723868,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53448,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[155,12,104,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872082,"usec":642092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887178,"noise_level":-19.579613,"freq_skew":2.064827,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872083,"usec":389879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533089,"noise_level":-19.882288,"freq_skew":1.074951,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872083,"usec":396335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357855,"noise_level":-19.780062,"freq_skew":2.073811,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FRRYS9","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872084,"usec":930473},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554742,"noise_level":-20.110531,"freq_skew":0.769125,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"....N4T","mode":"2","label":"44","blk_id":"8","ack":"!","flight":"ZD0000","msg_num":"M69","msg_num_seq":"A","msg_text":"00POS02,N51292E000218,187,LIRQ,EGHI,0527,0854,0916,*****"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872085,"usec":681441},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395473,"noise_level":-21.170372,"freq_skew":1.942713,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":187,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,72,193,40],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872086,"usec":455313},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726859,"noise_level":-22.137703,"freq_skew":1.926317,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"8A","blk_id":"1","ack":"!","flight":"FRRYS9","msg_num":"M69","msg_num_seq":"A","msg_text":"082330,C,EGKK"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872087,"usec":201889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375283,"noise_level":-22.214725,"freq_skew":0.894272,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872087,"usec":202118},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553080,"noise_level":-23.443544,"freq_skew":2.116082,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,72,193,40,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872087,"usec":210810},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474084,"noise_level":-23.776884,"freq_skew":1.853953,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"8C","blk_id":"2","ack":"!","flight":"FRRYS9","msg_num":"M70","msg_num_seq":"A","msg_text":"082420,C,EGKK"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872087,"usec":974953},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748315,"noise_level":-23.822975,"freq_skew":1.935502,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":188,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872088,"usec":740480},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533575,"noise_level":-23.847525,"freq_skew":1.880672,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":189,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":2,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,72,193,40]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,72,193,40]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872089,"usec":496647},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705804,"noise_level":-24.244801,"freq_skew":1.879124,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"8F","blk_id":"3","ack":"!","flight":"FRRYS9","msg_num":"M71","msg_num_seq":"A","msg_text":"082912,C,EGKK"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872091,"usec":15628},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522870,"noise_level":-24.194733,"freq_skew":1.914095,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":188,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872091,"usec":24168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745209,"noise_level":-25.207804,"freq_skew":2.112021,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872091,"usec":25409},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775600,"noise_level":-26.308977,"freq_skew":3.007123,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872091,"usec":790954},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527375,"noise_level":-26.061131,"freq_skew":2.030247,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":189,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":2,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,72,193,40]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,72,193,40]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872092,"usec":548905},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474035,"noise_level":-26.453499,"freq_skew":2.018212,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":188,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872094,"usec":89661},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348956,"noise_level":-26.532379,"freq_skew":1.825399,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"QP","blk_id":"4","ack":"!","flight":"FRRYS9","msg_num":"M72","msg_num_seq":"A","msg_text":"EGKKEDDC0832 166 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872096,"usec":361064},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005494,"noise_level":-26.045097,"freq_skew":2.101639,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"QQ","blk_id":"5","ack":"!","flight":"FRRYS9","msg_num":"M73","msg_num_seq":"A","msg_text":"EGKKEDDC08470832"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872098,"usec":642256},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479739,"noise_level":-25.383163,"freq_skew":1.946385,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"FRRYS9","msg_num":"S38","msg_num_seq":"A","msg_text":"0E20854452/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":54,"sec":45}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872101,"usec":696036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516298,"noise_level":-23.794331,"freq_skew":1.900231,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872102,"usec":459884},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504800,"noise_level":-24.213369,"freq_skew":1.825740,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"FRRYS9","msg_num":"S38","msg_num_seq":"A","msg_text":"0E20854452/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":8,"min":54,"sec":45}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872102,"usec":461369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.220096,"noise_level":-24.185198,"freq_skew":2.514040,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"BA21ML","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872103,"usec":220417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831229,"noise_level":-23.679850,"freq_skew":-2.333644,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872104,"usec":734914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485093,"noise_level":-23.202297,"freq_skew":1.968932,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872106,"usec":260286},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400350,"noise_level":-22.410639,"freq_skew":2.173172,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"BA21ML","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872110,"usec":829765},"freq":136975000,"burst_len_octets":200,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.246945,"noise_level":-20.947529,"freq_skew":-0.629842,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"4J","blk_id":"6","ack":"!","flight":"MC0000","msg_num":"M07","msg_num_seq":"A","msg_text":"POS/ID10315S,LAGR74,1PN052F1U147/DC27052026,085506/MR5,/ET271108/PSN52195E001299,085500,162,SONDO,270858,SONOG,M6,28613,MT370/CG232,161,350/FB1214/VR3234BF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872111,"usec":583673},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239264,"noise_level":-20.689833,"freq_skew":2.053658,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":239,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53328,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[38,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872112,"usec":357467},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234499,"noise_level":-20.448706,"freq_skew":2.112183,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53328,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[16,102]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":55,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872112,"usec":366582},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345594,"noise_level":-20.692715,"freq_skew":-0.759205,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872113,"usec":123686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146871,"noise_level":-20.999157,"freq_skew":0.502745,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":141,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872113,"usec":870012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573374,"noise_level":-20.902250,"freq_skew":2.194110,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872114,"usec":644502},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697466,"noise_level":-20.813370,"freq_skew":2.088021,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGNX"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":0.000000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872114,"usec":652877},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392697,"noise_level":-21.750057,"freq_skew":1.896601,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKY","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR8086","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872115,"usec":399143},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281183,"noise_level":-22.082432,"freq_skew":2.157664,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127237","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,159,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872115,"usec":409992},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205956,"noise_level":-22.003033,"freq_skew":2.991445,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872116,"usec":158617},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779692,"noise_level":-21.776299,"freq_skew":1.918272,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872116,"usec":932248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794496,"noise_level":-21.544954,"freq_skew":1.917440,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872118,"usec":446001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510111,"noise_level":-21.041012,"freq_skew":0.621522,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872120,"usec":727015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.865626,"noise_level":-20.326988,"freq_skew":2.437922,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872123,"usec":774220},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324414,"noise_level":-19.534494,"freq_skew":2.074694,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53328,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[220,172]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":55,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872124,"usec":547350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826377,"noise_level":-20.154472,"freq_skew":1.864712,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872125,"usec":317743},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988239,"noise_level":-20.066500,"freq_skew":0.914007,"avlc":{"src":{"addr":"4D2220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3710,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872125,"usec":321935},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445248,"noise_level":-20.022846,"freq_skew":2.047343,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53328,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[34,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872125,"usec":328757},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585378,"noise_level":-20.377888,"freq_skew":1.912420,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53328,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[23,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872126,"usec":69988},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422003,"noise_level":-20.233932,"freq_skew":2.177655,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53328,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[132,210]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872126,"usec":831690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931207,"noise_level":-20.048538,"freq_skew":2.925123,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872127,"usec":589174},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.165400,"noise_level":-19.858469,"freq_skew":2.107836,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":53328,"variable_part_params":[{"name":"checksum","value":[137,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872130,"usec":644009},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.278434,"noise_level":-18.858627,"freq_skew":0.340823,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUZ","mode":"2","label":"_d","blk_id":"1","ack":"S","flight":"BA004A","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872131,"usec":404305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066572,"noise_level":-18.835808,"freq_skew":1.002017,"avlc":{"src":{"addr":"4D2220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872133,"usec":697362},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.032566,"noise_level":-18.248407,"freq_skew":0.426820,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872133,"usec":707579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283346,"noise_level":-18.121544,"freq_skew":0.533836,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUZ","mode":"2","label":"_d","blk_id":"1","ack":"S","flight":"BA004A","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872139,"usec":29103},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732875,"noise_level":-16.988342,"freq_skew":1.079542,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNW","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"BA0399","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872139,"usec":792600},"freq":136975000,"burst_len_octets":114,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020747,"noise_level":-17.784988,"freq_skew":2.301528,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"15","blk_id":"1","ack":"!","flight":"BA21ML","msg_num":"M76","msg_num_seq":"A","msg_text":"FST01KDENEGLLN520528W0014323169 76 494 M11C007042145144375 09130855"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872139,"usec":795479},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792916,"noise_level":-17.758106,"freq_skew":0.874288,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNW","mode":"2","label":"15","blk_id":"0","ack":"!","flight":"BA0399","msg_num":"M42","msg_num_seq":"A","msg_text":"FST01HECAEGLLN50284E0017039215 27 93 16219 443 09160855"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872141,"usec":318113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935622,"noise_level":-18.500755,"freq_skew":0.916838,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872142,"usec":70160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987494,"noise_level":-18.810776,"freq_skew":2.250160,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872143,"usec":595436},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407379,"noise_level":-18.432816,"freq_skew":1.061118,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":77,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872145,"usec":108702},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716815,"noise_level":-18.524500,"freq_skew":1.056137,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNW","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"BA0399","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872145,"usec":892193},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110315,"noise_level":-18.410362,"freq_skew":0.947244,"avlc":{"src":{"addr":"4D2220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBM","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"FR28GL","msg_num":"M23","msg_num_seq":"A","msg_text":"/EIDW.TI2/024EIDWA1982"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872146,"usec":632696},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.467810,"noise_level":-18.295395,"freq_skew":1.530818,"avlc":{"src":{"addr":"405E23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3998,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53507,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[189,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872146,"usec":635670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422085,"noise_level":-18.711266,"freq_skew":-2.187865,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872146,"usec":640150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240380,"noise_level":-18.659006,"freq_skew":0.809031,"avlc":{"src":{"addr":"4080E0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872149,"usec":703059},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448485,"noise_level":-18.783527,"freq_skew":1.063836,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872150,"usec":452206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144673,"noise_level":-19.184378,"freq_skew":0.856998,"avlc":{"src":{"addr":"4D2220","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872153,"usec":495267},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314269,"noise_level":-18.624107,"freq_skew":1.167220,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872155,"usec":775550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.363063,"noise_level":-18.050392,"freq_skew":-2.253343,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872157,"usec":301018},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.513682,"noise_level":-17.716835,"freq_skew":0.599484,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":47,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872158,"usec":828257},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.654671,"noise_level":-17.357084,"freq_skew":2.413283,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53474,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[2,118,17,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872161,"usec":868097},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750419,"noise_level":-16.762608,"freq_skew":2.754245,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":114,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872162,"usec":636391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.541232,"noise_level":-16.561516,"freq_skew":0.599599,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872164,"usec":921660},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804985,"noise_level":-16.333149,"freq_skew":-2.418955,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[153,245,156,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872165,"usec":689442},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622624,"noise_level":-17.054619,"freq_skew":-2.264020,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[238,194,206,250]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,205,77,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":56,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872166,"usec":448233},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684460,"noise_level":-16.925632,"freq_skew":1.329843,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[221,251,12,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872166,"usec":453083},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990748,"noise_level":-17.803123,"freq_skew":-2.325982,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872167,"usec":224551},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224752,"noise_level":-17.583344,"freq_skew":2.355280,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBH","mode":"2","label":"B6","blk_id":"2","ack":"!","flight":"BA21ML","msg_num":"J49","msg_num_seq":"A","msg_text":"/QUKAXBA.ADS.G-XWBH0724F8F7F84C43E5B4901F9E9E","arinc622":{"msg_type":"adsc_msg","crc_ok":true,"gs_addr":"QUKAXBA","air_addr":".G-XWBH","adsc":{"tags":[{"basic_report":{"lat":51.992455,"lon":-1.353893,"alt":15960,"ts_sec":3364.000000,"pos_accuracy_nm":0.050000,"nav_redundancy":true,"tcas_avail":true}}],"err":false}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872169,"usec":493320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338620,"noise_level":-17.184887,"freq_skew":2.437047,"avlc":{"src":{"addr":"407944","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872172,"usec":560459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118093,"noise_level":-16.702271,"freq_skew":-2.442651,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872174,"usec":850574},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.098241,"noise_level":-16.489393,"freq_skew":-2.536932,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,150,192,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":56,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872175,"usec":596023},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031611,"noise_level":-16.345636,"freq_skew":-2.175997,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872175,"usec":599578},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779518,"noise_level":-16.311487,"freq_skew":-2.299134,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872177,"usec":121704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813569,"noise_level":-16.065071,"freq_skew":-2.146302,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[98,98,201,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872181,"usec":681021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106838,"noise_level":-15.601549,"freq_skew":2.801543,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872182,"usec":449545},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544446,"noise_level":-16.514513,"freq_skew":2.729522,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZJ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"2L03VB","msg_num":"C12","msg_num_seq":"A","sublabel":"CF","msg_text":"MM085606052711751.42969/0.301906\r\n085401152070 21\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872183,"usec":216061},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518334,"noise_level":-17.656822,"freq_skew":-0.052813,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"QQ","blk_id":"3","ack":"!","flight":"XA0001","msg_num":"M00","msg_num_seq":"A","msg_text":"EGLC 0856\r\n001FE27085620N5130.1E00005.2013169 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872183,"usec":222587},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541632,"noise_level":-17.584171,"freq_skew":1.065992,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":209,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872183,"usec":978930},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151032,"noise_level":-18.334761,"freq_skew":-2.327951,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"1","ack":"L","flight":"DK0566","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872183,"usec":984726},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591591,"noise_level":-19.028643,"freq_skew":-0.252741,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"83","blk_id":"4","ack":"!","flight":"XA0001","msg_num":"M01","msg_num_seq":"A","msg_text":"001PR27085620N5130.1E00005.2013169 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872184,"usec":732126},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195051,"noise_level":-19.005371,"freq_skew":1.047153,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872184,"usec":737040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709248,"noise_level":-18.943623,"freq_skew":2.883086,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872185,"usec":500254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987278,"noise_level":-19.887293,"freq_skew":0.036208,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872185,"usec":500493},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138149,"noise_level":-19.887293,"freq_skew":-2.293842,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"DK0566","msg_num":"F48","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872186,"usec":257406},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926910,"noise_level":-20.009609,"freq_skew":-2.486212,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"DK0566","msg_num":"F49","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN51150W000373,DIGSU,085622,380,N50296W001434,090438,MARUK,M57,19014,480/TS085622,270526F42A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872187,"usec":786390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.573081,"noise_level":-19.651859,"freq_skew":-2.343836,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872193,"usec":878040},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.483198,"noise_level":-18.249510,"freq_skew":-2.415626,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":132,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872196,"usec":916792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.479196,"noise_level":-17.695807,"freq_skew":1.913759,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872203,"usec":24954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648396,"noise_level":-16.394505,"freq_skew":-2.411785,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872203,"usec":769824},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776899,"noise_level":-16.331646,"freq_skew":2.820423,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[75,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872204,"usec":549059},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.770438,"noise_level":-16.698671,"freq_skew":0.518986,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53448,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[100,17,140,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872206,"usec":74582},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673586,"noise_level":-16.281219,"freq_skew":1.189754,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872206,"usec":837547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989282,"noise_level":-16.140841,"freq_skew":0.772721,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872207,"usec":598950},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629316,"noise_level":-17.062168,"freq_skew":1.094077,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123373","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,251,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872207,"usec":606708},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753183,"noise_level":-16.982025,"freq_skew":1.176224,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR03VT","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872208,"usec":360475},"freq":136975000,"burst_len_octets":1043,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137510,"noise_level":-16.829950,"freq_skew":-2.407422,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"DK0566","msg_num":"D04","msg_num_seq":"A","sublabel":"DF","msg_text":"001089200101011040133\r\nR01/A33001,1,1\r\nC1,.OY-VKP,26MAY27,08.13.27,ENGM,GCLP,VKG566 ,4000,733\r\nC2,004,06.0,000000,D1733RN03C00000,000,052,052\r\nC3,-30.5,37996,0.815,111,1.08,111,10,0,01,111,1.08,X\r\nC5,075338,08584,00001,01721,00443,10015,00000,00402,0E066,---\r\nC6,075341,08584,00001,01721,00443,10016,00000,00402,2E066\r\nN1,082.96,082.97,082.97,086.8,085.7,0626,---.-,02288,05.91\r\nN2,082.96,082.98,082.97,087.1,085.6,0622,---.-,02287,05.93\r\nS1,04.64,-28.82,039.45,209.2,184.7,495.9,00.27,015.9,024.1,34\r\nS2,04.64,-29.49,039.08,210.0,184.6,495.8,00.24,016.0,024.7,34\r\nT1,138,167,167,133.4,004.9,047.5,0.08,0.13,0.28,180,0.28,005.4\r\nT2,158,170,170,132.0,020.1,047.1,0.13,0.03,0.16,215,0.23,005.3\r\nV1,0448,0369,000,242.6,005,051,0.90,---.--,---.--,---.-\r\nV2,0448,0371,000,242.4,006,045,0.48,---.--,---.--,---.-\r\nW1,---.-,04.62,002.1,077,081,067,06.6,000,000,04.5,001.3\r\nW2,---.-,04.61,002.3,077,078,063,09.3,000,000,04.3,000.4\r\nX1,002.0,118.8,28,015.9,00.27,0664,0659,-30.3,0.814,38001,111\r\nX2,00"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872209,"usec":111227},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965532,"noise_level":-16.793846,"freq_skew":2.871864,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,3]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872209,"usec":121475},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035748,"noise_level":-16.837387,"freq_skew":-2.178715,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"DK0566","msg_num":"D04","msg_num_seq":"B","sublabel":"DF","msg_text":"001089200101011040133\r\nR01/A33001,1,1\r\nC1,.OY-VKP,26MAY27,08.13.27,ENGM,GCLP,VKG566 ,4000,733\r\nC2,004,06.0,000000,D1733RN03C00000,000,052,052\r\nC3,-30.5,37996,0.815,111,1.08,111,10,0,01,111,1.08,X\r\nC5,075338,08584,00001,01721,00443,10015,00000,00402,0E066,---\r\nC6,075341,08584,00001,01721,00443,10016,00000,00402,2E066\r\nN1,082.96,082.97,082.97,086.8,085.7,0626,---.-,02288,05.91\r\nN2,082.96,082.98,082.97,087.1,085.6,0622,---.-,02287,05.93\r\nS1,04.64,-28.82,039.45,209.2,184.7,495.9,00.27,015.9,024.1,34\r\nS2,04.64,-29.49,039.08,210.0,184.6,495.8,00.24,016.0,024.7,34\r\nT1,138,167,167,133.4,004.9,047.5,0.08,0.13,0.28,180,0.28,005.4\r\nT2,158,170,170,132.0,020.1,047.1,0.13,0.03,0.16,215,0.23,005.3\r\nV1,0448,0369,000,242.6,005,051,0.90,---.--,---.--,---.-\r\nV2,0448,0371,000,242.4,006,045,0.48,---.--,---.--,---.-\r\nW1,---.-,04.62,002.1,077,081,067,06.6,000,000,04.5,001.3\r\nW2,---.-,04.61,002.3,077,078,063,09.3,000,000,04.3,000.4\r\nX1,002.0,118.8,28,015.9,00.27,0664,0659,-30.3,0.814,38001,111\r\nX2,000.8,118.8,28,016.0,00.24,0656,0659,-30.4,0.814,38002\r\nNO STABLE FRAME CONDITION :\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872210,"usec":653970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788646,"noise_level":-16.546585,"freq_skew":-2.222123,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872210,"usec":656339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888812,"noise_level":-16.801399,"freq_skew":0.815714,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872212,"usec":923957},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577904,"noise_level":-17.566284,"freq_skew":0.904533,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123373","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,251,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872212,"usec":930758},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329225,"noise_level":-17.487879,"freq_skew":0.883216,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":-1.600000},"alt":33000}},{"name":"alternate_ground_stations","value":["1091EA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872212,"usec":931611},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479810,"noise_level":-17.481377,"freq_skew":1.155982,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR03VT","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872214,"usec":456875},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756701,"noise_level":-17.526768,"freq_skew":1.122171,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123373","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,251,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872214,"usec":458730},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.626955,"noise_level":-18.363731,"freq_skew":0.762594,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUI","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR09YC","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872215,"usec":226093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360503,"noise_level":-18.150532,"freq_skew":0.744620,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872216,"usec":735459},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436707,"noise_level":-17.867371,"freq_skew":1.113262,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":81,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[111,121,144,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872219,"usec":52057},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794765,"noise_level":-18.328815,"freq_skew":1.035334,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123373","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,251,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872219,"usec":786342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.748279,"noise_level":-18.667290,"freq_skew":0.907678,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872220,"usec":532567},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.153767,"noise_level":-18.773449,"freq_skew":3.211919,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10989A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1008,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53359,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[92,135]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872221,"usec":313726},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.888300,"noise_level":-18.786137,"freq_skew":0.476084,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGAC"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":-1.500000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872221,"usec":316332},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364334,"noise_level":-18.755976,"freq_skew":2.501902,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":2.100000},"alt":22000}},{"name":"alternate_ground_stations","value":["1096EA","1094AA","10988A","10900A","1099DA","10919A","10980A","1094EA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872221,"usec":319651},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.773328,"noise_level":-19.737589,"freq_skew":0.337780,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUUZ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"BA004A","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872221,"usec":322264},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.063994,"noise_level":-19.703945,"freq_skew":0.705387,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20055110","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,90,72,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872222,"usec":66747},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449810,"noise_level":-20.097515,"freq_skew":2.548483,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127112","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,74,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872222,"usec":836387},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051595,"noise_level":-20.056740,"freq_skew":0.527163,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872222,"usec":840137},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539216,"noise_level":-20.004440,"freq_skew":2.634822,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR03YW","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872223,"usec":591633},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.941788,"noise_level":-20.613813,"freq_skew":0.635924,"avlc":{"src":{"addr":"405A48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872224,"usec":364196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590190,"noise_level":-20.248714,"freq_skew":2.468947,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":114189},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999186,"noise_level":-20.334076,"freq_skew":2.612192,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":-1.400000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":115217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333085,"noise_level":-20.830952,"freq_skew":0.983325,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":121157},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770432,"noise_level":-21.238838,"freq_skew":2.647801,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNP","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA003P","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":121157},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.770432,"noise_level":-21.238838,"freq_skew":2.647801,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20075617","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,123,143,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":878126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699462,"noise_level":-21.465137,"freq_skew":2.536654,"avlc":{"src":{"addr":"4CAE4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872225,"usec":879432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333832,"noise_level":-21.933357,"freq_skew":2.650132,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872235,"usec":28461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.872979,"noise_level":-19.168585,"freq_skew":3.311187,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872236,"usec":533171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.588533,"noise_level":-18.828049,"freq_skew":1.107692,"avlc":{"src":{"addr":"490D84","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872237,"usec":314141},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175089,"noise_level":-18.522316,"freq_skew":1.608227,"avlc":{"src":{"addr":"405E23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3999,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53507,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[116,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872238,"usec":831610},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.216798,"noise_level":-18.488117,"freq_skew":2.988754,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"A","sublabel":"DF","msg_text":"3111 ACMF SNAPSHOT REPORT 2026MAY27 08:56:45\nSWVER 26.1 APPVER 912.330.01 APPNAME USER4.ACM\nSIZE 2103\nG550TO_20260527085645S.CSV\nGV_912_00330_01_060420\nR 2026MAY27 08:56:45 T 2026MAY27 08:56:45\nPV\nA0\n0\nAA\n8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872240,"usec":355112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735169,"noise_level":-18.151693,"freq_skew":2.571298,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872242,"usec":642364},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.598549,"noise_level":-18.579590,"freq_skew":1.945789,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXS","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"KL1056","msg_num":"C19","msg_num_seq":"A","sublabel":"CF","msg_text":"MM0857110527ABP\n08551014 9402932\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872244,"usec":158842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632389,"noise_level":-18.162001,"freq_skew":2.934655,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872244,"usec":166265},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.433261,"noise_level":-18.071096,"freq_skew":1.931997,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872245,"usec":695150},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.289432,"noise_level":-17.710022,"freq_skew":2.991016,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"B","sublabel":"DF","msg_text":"4.1955\nAB\n1056.4\nAC\n24.0774\nAD\n167.805\nAE\n0.254139\nAQ\n1\nAR\n0\nAS\n0\nAT\n0\nAW\n1\nAX\n0\nAY\n1\nAZ\n0\nBA\n0\nBB\n0\nBD\n0\nBE\n0\nBN\n0\nBO\n0\nBP\n1\nBQ\n0\nBR\n1\nBS\n0\nBT\n0\nBU\n0\nBW\n0\nBX\n0\nCG\n0\nCH\n0\nCI\n0\nCJ\n0\nCK\n0\nCL\n0\nCM\n0\nCN\n0\nCO\n0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872248,"usec":730255},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.056194,"noise_level":-17.123367,"freq_skew":2.880947,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"C","sublabel":"DF","msg_text":"CP\n0\nCS\n0\nCT\n0\nCU\n25.5\nCV\n1\nCW\n-66\nCX\n-86\nCY\n38.8251\nCZ\n39.7923\nDA\n1\nDB\n1\nDC\n1.54305\nDD\n1.54403\nDE\n1.54208\nDF\n1.54208\nDG\n1.54208\nDH\n1.54208\nDI\n1.45326\nDJ\n1.45326\nDK\n1.50352\nDP\n6477.9\nDQ\n6449.4\nDT\n65.9536\nDU"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872250,"usec":255083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222927,"noise_level":-16.853176,"freq_skew":1.122030,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":210,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872251,"usec":11727},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987430,"noise_level":-17.082684,"freq_skew":2.929467,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"D","sublabel":"DF","msg_text":"\n67.704\nEB\n93.0673\nEC\n93.2313\nEJ\n95.7\nEK\n95.7625\nEL\n80.5\nEM\n73.75\nEP\n84\nEQ\n86.5\nER\n15.3735\nES\n15.3827\nET\n362.668\nEU\n362.155\nEX\n23.7197\nEY\n23.5915\nEZ\n786.5\nFA\n1.50352\nFB\n1.44106\nFC\n1.44252\nFD\n1.54208\nFE\n1.54"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872251,"usec":789633},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.696277,"noise_level":-17.782928,"freq_skew":0.736640,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53448,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[155,12,104,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872253,"usec":310214},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845335,"noise_level":-17.292351,"freq_skew":2.867639,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872255,"usec":578283},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799482,"noise_level":-17.576748,"freq_skew":3.074208,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"D","sublabel":"DF","msg_text":"\n67.704\nEB\n93.0673\nEC\n93.2313\nEJ\n95.7\nEK\n95.7625\nEL\n80.5\nEM\n73.75\nEP\n84\nEQ\n86.5\nER\n15.3735\nES\n15.3827\nET\n362.668\nEU\n362.155\nEX\n23.7197\nEY\n23.5915\nEZ\n786.5\nFA\n1.50352\nFB\n1.44106\nFC\n1.44252\nFD\n1.54208\nFE\n1.54"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872256,"usec":350797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764283,"noise_level":-17.420448,"freq_skew":3.058227,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872257,"usec":872325},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813968,"noise_level":-17.883636,"freq_skew":3.100674,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"E","sublabel":"DF","msg_text":"208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872261,"usec":688631},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645350,"noise_level":-18.144955,"freq_skew":2.882295,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"KOPF"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":-0.400000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872261,"usec":694408},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761805,"noise_level":-18.840775,"freq_skew":2.897943,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"E","sublabel":"DF","msg_text":"208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872262,"usec":456178},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876176,"noise_level":-18.690073,"freq_skew":3.065731,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"E","sublabel":"DF","msg_text":"208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872263,"usec":981277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717671,"noise_level":-19.294857,"freq_skew":3.082490,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872263,"usec":987144},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802936,"noise_level":-19.215137,"freq_skew":3.139117,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"F","sublabel":"DF","msg_text":"\nLP\n0\nLQ\n0\nLR\n1\nLS\n0\nLT\n1\nLU\n1\nLV\n0\nLW\n0\nLX\n0\nLY\n0\nLZ\n1\nMA\n1\nME\n0\nMF\n0\nMG\n0\nMH\n0\nMI\n1\nMJ\n0\nMK\n0\nML\n0\nMM\n0\nMN\n1\nMO\n1\nMS\n0\nMT\n0\nMU\n0\nMV\n0\nMW\n1\nMX\n0\nMY\n0\nMZ\n0\nNA\n0\nOO\n0\nOP\n0\nOQ\n0\nPG\n0\nPH\n0\nPI\n0\nRK\n0\nRL\n0\nRM\n0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872265,"usec":493429},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922240,"noise_level":-19.352230,"freq_skew":-2.393423,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[217,247,69,193]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":57,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"REQUEST CLIMB TO [level]","choice":"dM9Level","data":{"level":{"choice":"singleLevel","data":{"level_type":{"choice":"levelFlightLevel","data":{"flight_level":410}}}}}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872266,"usec":268220},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868361,"noise_level":-19.737667,"freq_skew":-2.397830,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872266,"usec":273125},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552824,"noise_level":-20.361740,"freq_skew":-2.225091,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872267,"usec":16567},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013402,"noise_level":-20.316582,"freq_skew":0.361820,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":976,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872267,"usec":29619},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850215,"noise_level":-20.111818,"freq_skew":3.039998,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"G","sublabel":"DF","msg_text":"RN\n0\nRO\n0\nRS\n0\nRT\n0\nRU\n0\nRV\n0\nRW\n0\nRX\n0\nRY\n0\nTD\n2415919383\nTE\n2415919639\nTF\n268435863\nTG\n268436119\nTH\n268435799\nTI\n268436055\nTJ\n2415919575\nTK\n2415919831\nTL\n268435767\nTM\n268436023\nTN\n2415919543\nTO\n2415919799"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872267,"usec":771784},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041374,"noise_level":-20.218393,"freq_skew":-2.257116,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":15,"variable_part_params":[{"name":"atn_checksum","value":[183,47,251,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872267,"usec":779712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.342461,"noise_level":-20.094578,"freq_skew":1.339803,"avlc":{"src":{"addr":"405E23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872268,"usec":553338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608403,"noise_level":-19.843588,"freq_skew":2.520544,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872270,"usec":70282},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779513,"noise_level":-19.842731,"freq_skew":2.925918,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"E","sublabel":"DF","msg_text":"208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872270,"usec":78453},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731642,"noise_level":-19.724123,"freq_skew":3.029855,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"H","sublabel":"DF","msg_text":"\nTP\n2415919479\nTQ\n2415919735\nTR\n268435894\nTS\n268436150\nTT\n268435830\nTU\n268436086\nTV\n2415919606\nTW\n2415919862\nTX\n268435726\nTY\n268435982\nTZ\n2415919502\nUA\n2415919758\nUF\n0.0849169\nUG\n0.124877\nUH\n0.189814\nUI\n0.1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872273,"usec":114427},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762354,"noise_level":-19.021280,"freq_skew":2.593535,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1475,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872273,"usec":115229},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681649,"noise_level":-19.650900,"freq_skew":2.893314,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"I","sublabel":"DF","msg_text":"3111 ACMF SNAPSHOT REPORT 2026MAY27 08:56:45\nSWVER 26.1 APPVER 912.330.01 APPNAME USER4.ACM\nSIZE 2103\nG550TO_20260527085645S.CSV\nGV_912_00330_01_060420\nR 2026MAY27 08:56:45 T 2026MAY27 08:56:45\nPV\nA0\n0\nAA\n84.1955\nAB\n1056.4\nAC\n24.0774\nAD\n167.805\nAE\n0.254139\nAQ\n1\nAR\n0\nAS\n0\nAT\n0\nAW\n1\nAX\n0\nAY\n1\nAZ\n0\nBA\n0\nBB\n0\nBD\n0\nBE\n0\nBN\n0\nBO\n0\nBP\n1\nBQ\n0\nBR\n1\nBS\n0\nBT\n0\nBU\n0\nBW\n0\nBX\n0\nCG\n0\nCH\n0\nCI\n0\nCJ\n0\nCK\n0\nCL\n0\nCM\n0\nCN\n0\nCO\n0\nCP\n0\nCS\n0\nCT\n0\nCU\n25.5\nCV\n1\nCW\n-66\nCX\n-86\nCY\n38.8251\nCZ\n39.7923\nDA\n1\nDB\n1\nDC\n1.54305\nDD\n1.54403\nDE\n1.54208\nDF\n1.54208\nDG\n1.54208\nDH\n1.54208\nDI\n1.45326\nDJ\n1.45326\nDK\n1.50352\nDP\n6477.9\nDQ\n6449.4\nDT\n65.9536\nDU\n67.704\nEB\n93.0673\nEC\n93.2313\nEJ\n95.7\nEK\n95.7625\nEL\n80.5\nEM\n73.75\nEP\n84\nEQ\n86.5\nER\n15.3735\nES\n15.3827\nET\n362.668\nEU\n362.155\nEX\n23.7197\nEY\n23.5915\nEZ\n786.5\nFA\n1.50352\nFB\n1.44106\nFC\n1.44252\nFD\n1.54208\nFE\n1.54208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0\nLP\n0\nLQ\n0\nLR\n1\nLS\n0\nLT\n1\nLU\n1\nLV\n0\nLW\n0\nLX\n0\nLY\n0\nLZ\n1\nMA\n1\nME\n0\nMF\n0\nMG\n0\nMH\n0\nMI\n1\nMJ\n0\nMK\n0\nML\n0\nMM\n0\nMN\n1\nMO\n1\nMS\n0\nMT\n0\nMU\n0\nMV\n0\nMW\n1\nMX\n0\nMY\n0\nMZ\n0\nNA\n0\nOO\n0\nOP\n0\nOQ\n0\nPG\n0\nPH\n0\nPI\n0\nRK\n0\nRL\n0\nRM\n0\nRN\n0\nRO\n0\nRS\n0\nRT\n0\nRU\n0\nRV\n0\nRW\n0\nRX\n0\nRY\n0\nTD\n2415919383\nTE\n2415919639\nTF\n268435863\nTG\n268436119\nTH\n268435799\nTI\n268436055\nTJ\n2415919575\nTK\n2415919831\nTL\n268435767\nTM\n268436023\nTN\n2415919543\nTO\n2415919799\nTP\n2415919479\nTQ\n2415919735\nTR\n268435894\nTS\n268436150\nTT\n268435830\nTU\n268436086\nTV\n2415919606\nTW\n2415919862\nTX\n268435726\nTY\n268435982\nTZ\n2415919502\nUA\n2415919758\nUF\n0.0849169\nUG\n0.124877\nUH\n0.189814\nUI\n0.129872\nUJ\n5148\nUK\n33238.8\nWA\n5\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872274,"usec":643406},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.422199,"noise_level":-20.129913,"freq_skew":0.917695,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40865,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[195,30]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872276,"usec":155314},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902601,"noise_level":-19.716690,"freq_skew":2.773871,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1475,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872277,"usec":690606},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681943,"noise_level":-19.429813,"freq_skew":2.962877,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XA23DQ","msg_num":"D00","msg_num_seq":"E","sublabel":"DF","msg_text":"208\nJA\n788\nJB\n38.0493\nJC\n38.1371\nJF\n24.0341\nJG\n24.1172\nJH\n530.461\nJI\n529.211\nJP\n1\nJQ\n0\nJR\n0\nJS\n0\nJT\n0\nJU\n0\nJV\n0\nJW\n0\nJX\n0\nJY\n0\nJZ\n1\nLA\n0\nLB\n1\nLC\n1\nLD\n0\nLE\n0\nLF\n0\nLG\n0\nLH\n1\nLI\n0\nLJ\n0\nLK\n0\nLL\n0\nLM\n0\nLN\n0\nLO\n0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872278,"usec":438276},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860548,"noise_level":-19.364983,"freq_skew":2.773729,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872279,"usec":220092},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.324361,"noise_level":-19.930191,"freq_skew":3.220437,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXG","mode":"2","label":"20","blk_id":"8","ack":"!","flight":"KL082Q","msg_num":"M22","msg_num_seq":"A","msg_text":"RST31A27085757KLM82Q LFLLEHAM\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872279,"usec":222693},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779634,"noise_level":-19.895794,"freq_skew":2.182300,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":246,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872280,"usec":733639},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939245,"noise_level":-19.468761,"freq_skew":2.841000,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872281,"usec":489256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276710,"noise_level":-19.282839,"freq_skew":3.180721,"avlc":{"src":{"addr":"4852F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872286,"usec":831672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870129,"noise_level":-17.909754,"freq_skew":2.213058,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872288,"usec":358993},"freq":136975000,"burst_len_octets":204,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001699,"noise_level":-17.425070,"freq_skew":-1.156085,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"4J","blk_id":"7","ack":"!","flight":"MC0000","msg_num":"M08","msg_num_seq":"A","msg_text":"POS/ID10315S,LAGR74,1PN052F1U147/DC27052026,085805/MR6,/ET271108/PSN52132E001567,085800,221,SONOG,270901,REDFA,M17,30520,M064T400/CG241,160,350/FB1195/VR323C32"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872289,"usec":873595},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.322794,"noise_level":-17.987133,"freq_skew":0.641761,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6394,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872290,"usec":630693},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711933,"noise_level":-17.789843,"freq_skew":0.641117,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":6,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872292,"usec":160118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357797,"noise_level":-18.298830,"freq_skew":0.717332,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872292,"usec":169033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980141,"noise_level":-18.185318,"freq_skew":0.764963,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872292,"usec":928919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870341,"noise_level":-19.187328,"freq_skew":-1.370200,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872293,"usec":680939},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827081,"noise_level":-19.942390,"freq_skew":2.602362,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"KL0982","msg_num":"C34","msg_num_seq":"A","sublabel":"CF","msg_text":"ACMF210_TAKEOFF_20260527085802S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 08:58:02\nA/C PH-EXY\nSWVER 27.1 APPVER S.7.3 APPNAME OEM.ACM\nSIZE 2144\n190LDI27.4V27.1PM-V17.2\nR 2026MAY27 08:58:02 T 2026MAY27 08:58:02\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872294,"usec":450583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095005,"noise_level":-20.198383,"freq_skew":2.824217,"avlc":{"src":{"addr":"407B8F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872295,"usec":207644},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558301,"noise_level":-20.127581,"freq_skew":0.740499,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EGKB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872295,"usec":207794},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702156,"noise_level":-20.127581,"freq_skew":0.520947,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":7,"calling_addr":"22352654","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,67,90,69,0,73,213,172,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872295,"usec":209726},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602959,"noise_level":-20.774956,"freq_skew":1.328776,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":82,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872295,"usec":219395},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926775,"noise_level":-20.749355,"freq_skew":2.564125,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"KL0982","msg_num":"C34","msg_num_seq":"B","sublabel":"CF","msg_text":"-----\n296.162, 4, 2, 4, 8, 3, 7, 64, 561, 80.0468, 11.0781, 4770.12, 82.4062, 826.5,\n90.2968, 90.3281, 0.949276, 91.1406, 1.10944, 0, 0.746093, 93.375, 0.152353, 0.\n152353, 0.328125, 15, 85.619, 107.094, 26"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872295,"usec":978959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540994,"noise_level":-20.664551,"freq_skew":0.475692,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872300,"usec":536542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584163,"noise_level":-20.694883,"freq_skew":1.283115,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872301,"usec":313363},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856788,"noise_level":-20.522854,"freq_skew":2.396165,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"KL0982","msg_num":"C34","msg_num_seq":"C","sublabel":"CF","msg_text":"2.125, 14, 477.5, 668, 528.625, 67.\n3125, 0.171875, -2.25, 4, 2, 4, 8, 4, 0, 64, 561, 80.2343, 12.6718, 4786.12,\n82.5312, 828.125, 90.3281, 90.375, 0.0898492, 91.1093, 0.86724, 0, 0.58789, 93.\n6562, 0.25782"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872301,"usec":317865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.445404,"noise_level":-21.042118,"freq_skew":0.171825,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872302,"usec":830310},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.533020,"noise_level":-20.602922,"freq_skew":0.516518,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53546,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[184,124,141,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872302,"usec":835446},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649324,"noise_level":-20.528757,"freq_skew":2.601216,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"KL0982","msg_num":"C34","msg_num_seq":"D","sublabel":"CF","msg_text":"8, 0.273454, 0.589843, 15, 87.3333, 109.895, 262.375, 14, 477.5,\n669.75, 528.687, 67.4375, 0.296875, -2.1875, 0, 1, 0, 0, 0.586327, 0, 0, 1, 1,\n53.4531, 52.664, 15059.6, 0, 0, -7.89438, 10.3426, 69, 72, 65,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872303,"usec":596798},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862688,"noise_level":-20.708340,"freq_skew":2.063755,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":96,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872306,"usec":634498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.866050,"noise_level":-19.830656,"freq_skew":0.509626,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872307,"usec":409699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994685,"noise_level":-19.562260,"freq_skew":0.020099,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872307,"usec":413526},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.688406,"noise_level":-19.512846,"freq_skew":0.418818,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872308,"usec":174206},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095106,"noise_level":-19.415405,"freq_skew":3.419131,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1009,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53359,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[161,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872308,"usec":917237},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.499877,"noise_level":-19.270451,"freq_skew":3.343498,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1010,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8,"dst_ref":53549,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[99,109]},{"name":"called_responding_transport_selector","value":[1,1]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[162,171]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872308,"usec":925092},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.192237,"noise_level":-19.167244,"freq_skew":3.210244,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1011,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53359,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[185,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872308,"usec":925420},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897857,"noise_level":-19.167244,"freq_skew":2.478473,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXY","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"KL0982","msg_num":"C34","msg_num_seq":"E","sublabel":"CF","msg_text":"ACMF210_TAKEOFF_20260527085802S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 08:58:02\nA/C PH-EXY\nSWVER 27.1 APPVER S.7.3 APPNAME OEM.ACM\nSIZE 2144\n190LDI27.4V27.1PM-V17.2\nR 2026MAY27 08:58:02 T 2026MAY27 08:58:02\n-----\n296.162, 4, 2, 4, 8, 3, 7, 64, 561, 80.0468, 11.0781, 4770.12, 82.4062, 826.5,\n90.2968, 90.3281, 0.949276, 91.1406, 1.10944, 0, 0.746093, 93.375, 0.152353, 0.\n152353, 0.328125, 15, 85.619, 107.094, 262.125, 14, 477.5, 668, 528.625, 67.\n3125, 0.171875, -2.25, 4, 2, 4, 8, 4, 0, 64, 561, 80.2343, 12.6718, 4786.12,\n82.5312, 828.125, 90.3281, 90.375, 0.0898492, 91.1093, 0.86724, 0, 0.58789, 93.\n6562, 0.257828, 0.273454, 0.589843, 15, 87.3333, 109.895, 262.375, 14, 477.5,\n669.75, 528.687, 67.4375, 0.296875, -2.1875, 0, 1, 0, 0, 0.586327, 0, 0, 1, 1,\n53.4531, 52.664, 15059.6, 0, 0, -7.89438, 10.3426, 69, 72, 65, 77, 69, 71, 76,\n67,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872309,"usec":704631},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915828,"noise_level":-19.391539,"freq_skew":1.321725,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872310,"usec":438471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.771787,"noise_level":-19.302910,"freq_skew":3.456586,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872310,"usec":447608},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.250314,"noise_level":-19.175589,"freq_skew":3.417078,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1012,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53549,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[238,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872311,"usec":209016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838715,"noise_level":-19.527050,"freq_skew":2.594232,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872311,"usec":212582},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.495385,"noise_level":-19.486019,"freq_skew":0.596524,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872312,"usec":742809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.620582,"noise_level":-19.266184,"freq_skew":0.595287,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-NSF","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EI07HL","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872314,"usec":259476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.072659,"noise_level":-18.960321,"freq_skew":0.555319,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872314,"usec":266794},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.054893,"noise_level":-19.138687,"freq_skew":3.438567,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40128,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[76,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872315,"usec":20652},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436082,"noise_level":-19.099445,"freq_skew":0.557063,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872315,"usec":26093},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.313857,"noise_level":-19.119793,"freq_skew":3.003999,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1017,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":9,"dst_ref":40128,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[110,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872315,"usec":30752},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.497313,"noise_level":-19.057226,"freq_skew":-1.595382,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"AC0833","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872315,"usec":776509},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.463622,"noise_level":-18.941118,"freq_skew":3.428249,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1018,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53549,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[179,219]}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"persistent","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmContactResponse","data":{"atn_context_mgmt_contact_response":"contactSuccess"}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872316,"usec":542801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.456495,"noise_level":-18.750984,"freq_skew":3.341862,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872316,"usec":549683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.947324,"noise_level":-18.661179,"freq_skew":-1.318706,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872316,"usec":552372},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588150,"noise_level":-18.624033,"freq_skew":1.096327,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53428,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[44,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872318,"usec":828386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268319,"noise_level":-18.218493,"freq_skew":0.823377,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872318,"usec":832243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340944,"noise_level":-18.176144,"freq_skew":0.551128,"avlc":{"src":{"addr":"4CAD7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872319,"usec":578794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727983,"noise_level":-18.043386,"freq_skew":2.060087,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872320,"usec":365787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906829,"noise_level":-18.741337,"freq_skew":1.095942,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872321,"usec":892000},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628246,"noise_level":-18.280386,"freq_skew":1.340221,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":83,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[51,200,62,142]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53415,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,67,218,252]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872323,"usec":394153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040953,"noise_level":-18.561357,"freq_skew":1.180094,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872323,"usec":396031},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728810,"noise_level":-19.712509,"freq_skew":-2.523097,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":16,"variable_part_params":[{"name":"atn_checksum","value":[13,251,46,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[31,242,5,65]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":14,"msg_ref":17,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872324,"usec":166092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822806,"noise_level":-20.285818,"freq_skew":-2.266819,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872327,"usec":207210},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.630734,"noise_level":-19.415318,"freq_skew":0.782790,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53428,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[246,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872328,"usec":729192},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434525,"noise_level":-19.010738,"freq_skew":1.138873,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53415,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[158,207,4,154]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872328,"usec":731631},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509443,"noise_level":-19.541595,"freq_skew":0.887515,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53428,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[33,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872329,"usec":496155},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704543,"noise_level":-19.329966,"freq_skew":1.139880,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872330,"usec":257724},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591956,"noise_level":-20.067675,"freq_skew":1.264539,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872331,"usec":779336},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965284,"noise_level":-20.780237,"freq_skew":0.559308,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53428,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[29,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872332,"usec":547973},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.642416,"noise_level":-20.582943,"freq_skew":0.847615,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53428,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[41,19]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872332,"usec":554192},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605103,"noise_level":-20.490547,"freq_skew":1.183252,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":-0.600000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872332,"usec":554192},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.605103,"noise_level":-20.490547,"freq_skew":1.183252,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"U225RW","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872332,"usec":554192},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.605103,"noise_level":-20.490547,"freq_skew":1.183252,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064411","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872332,"usec":555800},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.554509,"noise_level":-21.641979,"freq_skew":0.749788,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":40865,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872333,"usec":310129},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.173576,"noise_level":-21.414137,"freq_skew":0.806153,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53428,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[29,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872334,"usec":71016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381394,"noise_level":-21.353020,"freq_skew":1.351215,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872334,"usec":78676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273971,"noise_level":-21.858818,"freq_skew":0.810292,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872334,"usec":835826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.638416,"noise_level":-22.621994,"freq_skew":0.759903,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872335,"usec":587591},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.024121,"noise_level":-22.436050,"freq_skew":0.659116,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":25,"dst_ref":53428,"variable_part_params":[{"name":"checksum","value":[3,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872335,"usec":598555},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932566,"noise_level":-22.220289,"freq_skew":0.640960,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40865,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[213,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872337,"usec":118987},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064355,"noise_level":-21.804209,"freq_skew":-2.272331,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872337,"usec":120257},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066394,"noise_level":-21.782854,"freq_skew":0.530745,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40865,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[209,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872337,"usec":875197},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687720,"noise_level":-21.448105,"freq_skew":-2.266242,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":17,"variable_part_params":[{"name":"atn_checksum","value":[98,200,96,234]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[58,235,53,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":18,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872338,"usec":645613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.669711,"noise_level":-21.508064,"freq_skew":2.929347,"avlc":{"src":{"addr":"485875","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872338,"usec":658564},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.757833,"noise_level":-21.283663,"freq_skew":1.146422,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872340,"usec":164756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062225,"noise_level":-20.813297,"freq_skew":1.407818,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872340,"usec":923832},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634902,"noise_level":-21.476608,"freq_skew":-2.501788,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872340,"usec":923832},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.634902,"noise_level":-21.476608,"freq_skew":-2.501788,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":17,"variable_part_params":[{"name":"atn_checksum","value":[98,200,96,234]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[58,235,53,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":18,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":58,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872340,"usec":929110},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.642118,"noise_level":-21.394632,"freq_skew":-2.185735,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872343,"usec":972171},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802559,"noise_level":-20.348551,"freq_skew":-2.460997,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":16,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[239,81,50,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":16,"msg_ref":18,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":59,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872344,"usec":739740},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869951,"noise_level":-20.213974,"freq_skew":-2.228113,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872344,"usec":745460},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807101,"noise_level":-20.317265,"freq_skew":-2.349148,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872345,"usec":496798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521528,"noise_level":-20.112486,"freq_skew":-2.199548,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872346,"usec":260353},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053436,"noise_level":-20.569031,"freq_skew":-2.414467,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":18,"variable_part_params":[{"name":"atn_checksum","value":[183,149,146,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872350,"usec":68956},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018995,"noise_level":-19.407537,"freq_skew":1.147222,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872350,"usec":68956},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.018995,"noise_level":-19.407537,"freq_skew":1.147222,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":211,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872353,"usec":884497},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660776,"noise_level":-19.337275,"freq_skew":1.078838,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872353,"usec":884497},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.660776,"noise_level":-19.337275,"freq_skew":1.078838,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":211,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872356,"usec":910344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747959,"noise_level":-18.523527,"freq_skew":1.778262,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872356,"usec":918144},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584450,"noise_level":-19.508642,"freq_skew":1.806203,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[71,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872356,"usec":923739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755502,"noise_level":-20.242014,"freq_skew":1.853037,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[67,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872360,"usec":737571},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826780,"noise_level":-19.428305,"freq_skew":1.799315,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53072,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[11,94]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":8,"min":59,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872363,"usec":15037},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986848,"noise_level":-18.869263,"freq_skew":1.694889,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53072,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[71,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872364,"usec":547849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722140,"noise_level":-19.566380,"freq_skew":1.832143,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872366,"usec":75596},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701205,"noise_level":-20.163734,"freq_skew":1.717974,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":13,"dst_ref":55990,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[57,253]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872368,"usec":357601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625315,"noise_level":-20.554008,"freq_skew":1.969740,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872388,"usec":153394},"freq":136975000,"burst_len_octets":204,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919282,"noise_level":-16.487278,"freq_skew":-1.256409,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"4J","blk_id":"8","ack":"!","flight":"MC0000","msg_num":"M09","msg_num_seq":"A","msg_text":"POS/ID10315S,LAGR74,1PN052F1U147/DC27052026,085943/MR7,/ET271101/PSN52146E002157,090000,254,REDFA,270902,TACHA,M27,29022,M068T420/CG235,160,350/FB1196/VR325F2C"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872389,"usec":684569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599244,"noise_level":-16.202175,"freq_skew":-1.261799,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872396,"usec":527594},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743420,"noise_level":-16.309250,"freq_skew":1.781049,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":239,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872401,"usec":121422},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423779,"noise_level":-16.340563,"freq_skew":-1.550761,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"_d","blk_id":"5","ack":"Q","flight":"AC0833","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872401,"usec":127573},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.635691,"noise_level":-16.278093,"freq_skew":-1.488960,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"BA","blk_id":"6","ack":"!","flight":"AC0833","msg_num":"J17","msg_num_seq":"A","msg_text":"/SNNCPXA.CC1.C-GKUG60008EFB49100CD5","arinc622":{"msg_type":"fans1a_cpdlc_connect_confirm","crc_ok":true,"gs_addr":"SNNCPXA","air_addr":".C-GKUG","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"hour":8,"min":59,"sec":59}},"atc_downlink_msg_element_id":{"choice_label":"[versionnumber]","choice":"dM73VersionNumber","data":{"ver_num":1}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872401,"usec":870336},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775495,"noise_level":-16.350563,"freq_skew":1.875362,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":239,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872403,"usec":416600},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.505087,"noise_level":-17.111477,"freq_skew":2.011496,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872405,"usec":700088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273546,"noise_level":-16.829725,"freq_skew":-2.464155,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872405,"usec":708537},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821576,"noise_level":-16.813629,"freq_skew":2.858318,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"44","blk_id":"0","ack":"!","flight":"XA23DQ","msg_num":"M30","msg_num_seq":"A","msg_text":"011*4l~b_EA''Snlll~lLbl'?b62nMbd*1CblE~qbl?E?bA(~qblS~OE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872406,"usec":451171},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.477753,"noise_level":-16.746677,"freq_skew":-1.624642,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"BA","blk_id":"6","ack":"!","flight":"AC0833","msg_num":"J17","msg_num_seq":"A","msg_text":"/SNNCPXA.CC1.C-GKUG60008EFB49100CD5","arinc622":{"msg_type":"fans1a_cpdlc_connect_confirm","crc_ok":true,"gs_addr":"SNNCPXA","air_addr":".C-GKUG","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":0,"msg_ref":0,"timestamp":{"hour":8,"min":59,"sec":59}},"atc_downlink_msg_element_id":{"choice_label":"[versionnumber]","choice":"dM73VersionNumber","data":{"ver_num":1}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872407,"usec":984602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598198,"noise_level":-17.149796,"freq_skew":-1.340583,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872408,"usec":726407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898417,"noise_level":-17.000931,"freq_skew":2.721591,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872408,"usec":728451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267267,"noise_level":-16.982500,"freq_skew":-1.318964,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872410,"usec":249970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162332,"noise_level":-17.226145,"freq_skew":1.103963,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872416,"usec":350527},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751673,"noise_level":-16.222151,"freq_skew":-2.439004,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":19,"variable_part_params":[{"name":"atn_checksum","value":[13,98,196,64]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":17,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,217,48,190]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":17,"msg_ref":20,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":0,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872417,"usec":884755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605615,"noise_level":-16.329233,"freq_skew":-2.542197,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872418,"usec":645196},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.694937,"noise_level":-17.161457,"freq_skew":0.460787,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53413,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872427,"usec":15511},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624992,"noise_level":-16.932604,"freq_skew":-0.204159,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..2HWDN","mode":"2","label":"20","blk_id":"4","ack":"!","flight":"ZD0000","msg_num":"M32","msg_num_seq":"A","msg_text":"POSN52006E001214,,090024,354,REDFA....,090554,,N55,23114,,427"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872427,"usec":790142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754819,"noise_level":-17.790995,"freq_skew":-0.379480,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872427,"usec":794058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755238,"noise_level":-18.041218,"freq_skew":1.975838,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872429,"usec":308483},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508474,"noise_level":-18.204445,"freq_skew":1.285821,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":-0.900000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872429,"usec":315785},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712029,"noise_level":-18.607952,"freq_skew":0.916390,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWH","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U225RW","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872430,"usec":69888},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068654,"noise_level":-18.607952,"freq_skew":0.989566,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20064411","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,105,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872430,"usec":837486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888966,"noise_level":-19.798553,"freq_skew":1.132908,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872431,"usec":589184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902216,"noise_level":-19.514688,"freq_skew":1.267696,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872433,"usec":878841},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.847839,"noise_level":-19.636702,"freq_skew":1.217716,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4620,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872436,"usec":183648},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.083099,"noise_level":-19.122860,"freq_skew":0.227502,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872437,"usec":674055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.257285,"noise_level":-18.852308,"freq_skew":-2.139301,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872437,"usec":674317},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972622,"noise_level":-18.852308,"freq_skew":0.918341,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4620,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872441,"usec":505644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848432,"noise_level":-17.840462,"freq_skew":1.194704,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872443,"usec":779962},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.974827,"noise_level":-18.018330,"freq_skew":0.264161,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872443,"usec":780093},"freq":136975000,"burst_len_octets":204,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728504,"noise_level":-18.018330,"freq_skew":-1.472163,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".10315S","mode":"2","label":"4J","blk_id":"9","ack":"!","flight":"MC0000","msg_num":"M10","msg_num_seq":"A","msg_text":"POS/ID10315S,LAGR74,1PN052F1U147/DC27052026,090041/MR8,/ET271101/PSN52153E002266,090100,275,TACHA,270905,TULIP,M32,30314,M071T430/CG236,160,350/FB1192/VR323B8C"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872443,"usec":791198},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660156,"noise_level":-18.819012,"freq_skew":-2.463989,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872446,"usec":63212},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096041,"noise_level":-18.440825,"freq_skew":1.272339,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53374,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[86,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872446,"usec":832101},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661083,"noise_level":-18.325455,"freq_skew":0.938230,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53374,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[107,150]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872447,"usec":599704},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.792473,"noise_level":-17.981375,"freq_skew":1.145792,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":12,"dst_ref":53374,"variable_part_params":[{"name":"checksum","value":[124,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872449,"usec":112319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713025,"noise_level":-17.790709,"freq_skew":-1.389777,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872449,"usec":866136},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630675,"noise_level":-18.231201,"freq_skew":-0.411411,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EGSS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872449,"usec":879161},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871056,"noise_level":-18.531057,"freq_skew":-0.499830,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":234,"calling_addr":"22750522","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,67,65,73,0,75,209,82,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872450,"usec":626106},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279628,"noise_level":-18.516401,"freq_skew":1.063902,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":86,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872451,"usec":401952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.446229,"noise_level":-18.321598,"freq_skew":1.107175,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872453,"usec":698764},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355211,"noise_level":-18.294136,"freq_skew":0.794640,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKL","mode":"2","label":"_d","blk_id":"2","ack":"U","flight":"BA018A","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872453,"usec":699829},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.459487,"noise_level":-18.279873,"freq_skew":0.770445,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKL","mode":"2","label":"15","blk_id":"3","ack":"!","flight":"BA018A","msg_num":"M35","msg_num_seq":"A","msg_text":"FST01KJFKEGLLN523813W0016333238 57 316M 27C 1221114914841113697509160900"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872454,"usec":443519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435034,"noise_level":-18.223055,"freq_skew":0.688296,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872454,"usec":444662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213280,"noise_level":-18.208908,"freq_skew":1.240766,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872454,"usec":451387},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683543,"noise_level":-18.124508,"freq_skew":-0.497184,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":234,"calling_addr":"22750522","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,67,65,73,0,75,209,82,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872456,"usec":737953},"freq":136975000,"burst_len_octets":1044,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658962,"noise_level":-17.681076,"freq_skew":1.170732,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"W668LU","msg_num":"D15","msg_num_seq":"A","sublabel":"DF","msg_text":"A321,021123,1,1,TB000000/REP003,00,00,1/CC9H-WDH,MAY27,084652,EGGW,LIRF,0068/C0TWP02TWZZ20529/C151,69404,4000,61,0010,0,0100,59,X/CE0035,18004,271,569,7426,253,W52ZZ2/C21020420-3-121 /C33PXAC00204 /C45321231-23 /C55321160-07 /C61020420-3-121 /C73PXAT00031 /C85321231-23 /C95321160-07 /EE772714,14034,06327,17953,271,569,830/EC801096,00053,00025/F10017,0074,0040,0036/G10020,0074,0039/H108910,08883,09091,08887,09155,07901/I108875,08881,09056,08887,09141,07896/J109479,08866,4890,02354,05118,0740/K109479,08757,4799,02369,05205,1966/L10072,0722,0026,0059,0008,0004,005/M10070,1088,0048,0042,0019,0020,009/N10027,08908,-131,0029,151,0676,021/O10031,08874,-131,0024,129,0671,029/P15853,342492,117,18173,0906,02358,026/Q15883,342566,112,18091,0878,02326,015/R10000,0004,0001,0001,0002,0001,0002/S10000,0011,0001,0001,0001,0001,0002/T10075,0825,0788,1814,0135,0053,5013/U10082,0823,0743,1793,0137,0135,0017/V125308,09170,00001,074,09972,1103/W125227,09160,00002,074,09930,1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872456,"usec":739434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703152,"noise_level":-18.462122,"freq_skew":-0.433273,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872457,"usec":508609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993891,"noise_level":-18.274961,"freq_skew":1.038144,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872457,"usec":513970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.301549,"noise_level":-19.065023,"freq_skew":0.703770,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872458,"usec":251460},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556470,"noise_level":-19.010597,"freq_skew":0.993762,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872458,"usec":253330},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878881,"noise_level":-18.995110,"freq_skew":-2.327249,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":20,"variable_part_params":[{"name":"atn_checksum","value":[98,47,246,234]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":18,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,50,51,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":18,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":0,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872458,"usec":261284},"freq":136975000,"burst_len_octets":1013,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769672,"noise_level":-19.573261,"freq_skew":1.179377,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"W668LU","msg_num":"D15","msg_num_seq":"B","sublabel":"DF","msg_text":"A321,021123,1,1,TB000000/REP003,00,00,1/CC9H-WDH,MAY27,084652,EGGW,LIRF,0068/C0TWP02TWZZ20529/C151,69404,4000,61,0010,0,0100,59,X/CE0035,18004,271,569,7426,253,W52ZZ2/C21020420-3-121 /C33PXAC00204 /C45321231-23 /C55321160-07 /C61020420-3-121 /C73PXAT00031 /C85321231-23 /C95321160-07 /EE772714,14034,06327,17953,271,569,830/EC801096,00053,00025/F10017,0074,0040,0036/G10020,0074,0039/H108910,08883,09091,08887,09155,07901/I108875,08881,09056,08887,09141,07896/J109479,08866,4890,02354,05118,0740/K109479,08757,4799,02369,05205,1966/L10072,0722,0026,0059,0008,0004,005/M10070,1088,0048,0042,0019,0020,009/N10027,08908,-131,0029,151,0676,021/O10031,08874,-131,0024,129,0671,029/P15853,342492,117,18173,0906,02358,026/Q15883,342566,112,18091,0878,02326,015/R10000,0004,0001,0001,0002,0001,0002/S10000,0011,0001,0001,0001,0001,0002/T10075,0825,0788,1814,0135,0053,5013/U10082,0823,0743,1793,0137,0135,0017/V125308,09170,00001,074,09972,1103/W125227,09160,00002,074,09930,1088/X10709,0109,0013,0044,00318,0079/Y10701,0109,0021,0043,00315,0083/Z10393,0003,041,0968,00000,00000/1F0399,0003,040,0944,00000,00000/1G0250,0898,0834,000,001,003,-058/1H0250,0690,0831,001,005,007,-071/1J0602,00825,0243,-300,0000,001,002/1K0601,00823,0226,-300,0000,001,005/1L00000,00000,00000,00000,0135,0004/1M00000,00000,00000,00000,0135,0016/1N0002,0004,00000,00000,00000,15760/1O0008,0004,00000,00000,00000,05369/1P0603,---/1Q0601,---/1R22280,18422,042C0,00000,00040,00000/1S22280,18082,042C0,00000,00040,00000/1T00000,0000C,04000,100A1,4B040,10000/1U00000,0000C,04000,100A1,15901,10000/1V00000,00000,XXXXX,00000,08000,00000/1W00000,00000,XXXXX,00000,08000,00000/1X41000,XXXXX,XXXXX,00000,00000,XXXXX/1Y00000,XXXXX,XXXXX,00000,00000,XXXXX/1Z00041,40080,00000,00000,XXXXX,XXXXX/AA00041,40080,00000,00000,XXXXX,XXXXX/AB01A00,30000,00004,00000,01602,05500/AC00800,30000,00004,00000,XXXXX,05500/AD58064,-----,-----,-----,XXXXX/AE65064,-----,-----,-----,XXXXX/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872459,"usec":20325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.729002,"noise_level":-19.564995,"freq_skew":0.163527,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872460,"usec":536067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915270,"noise_level":-19.145672,"freq_skew":1.223618,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872462,"usec":834995},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635547,"noise_level":-18.894588,"freq_skew":-2.223363,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":20,"variable_part_params":[{"name":"atn_checksum","value":[98,47,246,234]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":18,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,50,51,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":18,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":0,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872462,"usec":840506},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339136,"noise_level":-19.121147,"freq_skew":-2.046053,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHH","mode":"2","label":"_d","blk_id":"5","ack":"O","flight":"KL0661","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872465,"usec":880032},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856159,"noise_level":-18.470985,"freq_skew":1.527049,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6493,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872466,"usec":642207},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590037,"noise_level":-18.191454,"freq_skew":2.569523,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XA23DQ","msg_num":"A04","msg_num_seq":"A","sublabel":"M1","mfi":"B0","msg_text":"EGTT.AFN/FMHN23DQ,..N23DQ,,090058/FPON51488W000210,1/FCOADS,01/FCOATC,016159"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872466,"usec":642640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930663,"noise_level":-18.354795,"freq_skew":-2.336341,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872468,"usec":162120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539603,"noise_level":-18.399803,"freq_skew":1.901205,"avlc":{"src":{"addr":"4B0293","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872468,"usec":942155},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230607,"noise_level":-18.256500,"freq_skew":-2.032933,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHH","mode":"2","label":"BA","blk_id":"6","ack":"!","flight":"KL0661","msg_num":"L24","msg_num_seq":"A","msg_text":"/SOUCAYA.AT1.PH-BHH620E904800A6E7","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".PH-BHH","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":4,"msg_ref":7,"timestamp":{"hour":9,"min":1,"sec":8}},"atc_downlink_msg_element_id":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872469,"usec":682549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540714,"noise_level":-18.150555,"freq_skew":1.492052,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872470,"usec":451052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932722,"noise_level":-18.036470,"freq_skew":-2.034070,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872476,"usec":544282},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779569,"noise_level":-16.765301,"freq_skew":-2.501827,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872476,"usec":553515},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434984,"noise_level":-16.902210,"freq_skew":-2.243132,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":40917,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[137,196,221,1]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872477,"usec":306807},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782036,"noise_level":-16.877922,"freq_skew":2.471847,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XA23DQ","msg_num":"A04","msg_num_seq":"A","sublabel":"M1","mfi":"B0","msg_text":"EGTT.AFN/FMHN23DQ,..N23DQ,,090058/FPON51488W000210,1/FCOADS,01/FCOATC,016159"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872478,"usec":70488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770774,"noise_level":-16.662336,"freq_skew":-2.329522,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872479,"usec":596540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620734,"noise_level":-16.690729,"freq_skew":2.602702,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872480,"usec":354734},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010121,"noise_level":-16.514875,"freq_skew":0.909160,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872480,"usec":356540},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932056,"noise_level":-16.792459,"freq_skew":2.324509,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"XA23DQ","msg_num":"M31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872481,"usec":109272},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.747848,"noise_level":-17.375597,"freq_skew":-2.092000,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872481,"usec":118595},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203260,"noise_level":-17.267120,"freq_skew":0.821999,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53396,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[193,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872481,"usec":883254},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058773,"noise_level":-17.210236,"freq_skew":0.910049,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53396,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[189,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872481,"usec":893200},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.492573,"noise_level":-17.097570,"freq_skew":0.992501,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":6,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53565,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[12,9,173,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872482,"usec":655126},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.064335,"noise_level":-16.955706,"freq_skew":0.805272,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53396,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[44,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":1,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872483,"usec":389500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622824,"noise_level":-17.517826,"freq_skew":0.986548,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872483,"usec":390916},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.336937,"noise_level":-17.504782,"freq_skew":0.787156,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872483,"usec":392312},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.360904,"noise_level":-17.491756,"freq_skew":1.115924,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":8,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53565,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[127,168,168,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872483,"usec":393200},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221486,"noise_level":-17.718485,"freq_skew":0.837109,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":8641,"dst_ref":53565,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[248,228,106,47]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872483,"usec":395775},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774121,"noise_level":-17.691807,"freq_skew":1.234155,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872484,"usec":164243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208524,"noise_level":-18.677502,"freq_skew":0.828465,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872484,"usec":169714},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229356,"noise_level":-19.061760,"freq_skew":0.923291,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872484,"usec":173623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303485,"noise_level":-19.007355,"freq_skew":1.242604,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872484,"usec":928641},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.828778,"noise_level":-18.960989,"freq_skew":-1.809508,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22051502","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,83,66,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872484,"usec":937779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387441,"noise_level":-19.194992,"freq_skew":0.838543,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872491,"usec":29116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.930035,"noise_level":-17.713694,"freq_skew":-1.935112,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872491,"usec":33547},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341051,"noise_level":-17.660450,"freq_skew":0.911645,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53396,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[62,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":1,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872491,"usec":34290},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905424,"noise_level":-17.653818,"freq_skew":-2.475217,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":142,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872492,"usec":545715},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.253170,"noise_level":-18.029865,"freq_skew":0.850614,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872492,"usec":545715},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.253170,"noise_level":-18.029865,"freq_skew":0.850614,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53396,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[185,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872492,"usec":548277},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027666,"noise_level":-18.002216,"freq_skew":0.756434,"avlc":{"src":{"addr":"406F78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53396,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[181,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872494,"usec":67816},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644093,"noise_level":-17.963375,"freq_skew":-2.398737,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"6","ack":"M","flight":"DK0566","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872494,"usec":829616},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847128,"noise_level":-18.415730,"freq_skew":-2.478782,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"DK0566","msg_num":"F50","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872497,"usec":885344},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824557,"noise_level":-18.754316,"freq_skew":-2.313573,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"DK0566","msg_num":"F50","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872500,"usec":183273},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813757,"noise_level":-18.081209,"freq_skew":1.347704,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"17","blk_id":"2","ack":"!","flight":"W668LU","msg_num":"M24","msg_num_seq":"A","msg_text":"090136,35002,1057, 14680,N 51.002,E 2.926,27MAY26,26067, 19,- 55"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872500,"usec":932810},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883320,"noise_level":-18.625874,"freq_skew":-2.444612,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"DK0566","msg_num":"F50","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872502,"usec":454977},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557602,"noise_level":-18.305590,"freq_skew":-2.187221,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GCLP"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":-1.300000},"alt":39000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872502,"usec":456424},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721181,"noise_level":-18.291309,"freq_skew":-2.494670,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"DK0566","msg_num":"F51","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50466W001189,DIGSU,090132,396,N50296W001434,090443,MARUK,M59,18524,470/TS090132,270526FE6E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872502,"usec":459953},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784223,"noise_level":-18.523354,"freq_skew":-2.443983,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"DK0566","msg_num":"F51","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50466W001189,DIGSU,090132,396,N50296W001434,090443,MARUK,M59,18524,470/TS090132,270526FE6E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872502,"usec":461300},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895047,"noise_level":-18.914469,"freq_skew":-2.459258,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21354560","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,86,75,71,0,69,217,112,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872503,"usec":220603},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579671,"noise_level":-19.358631,"freq_skew":1.323260,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WDH","mode":"2","label":"17","blk_id":"2","ack":"!","flight":"W668LU","msg_num":"M24","msg_num_seq":"A","msg_text":"090136,35002,1057, 14680,N 51.002,E 2.926,27MAY26,26067, 19,- 55"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872503,"usec":224077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519668,"noise_level":-19.320835,"freq_skew":-2.394150,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872504,"usec":734087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394519,"noise_level":-19.433533,"freq_skew":-2.491204,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872505,"usec":502066},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.739827,"noise_level":-19.121824,"freq_skew":0.424102,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":-2.400000},"alt":21000}},{"name":"alternate_ground_stations","value":["1099DA","1097AA","109E6A","10983A","10919A","1094EA","10987A","10988A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872507,"usec":26206},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710973,"noise_level":-19.047466,"freq_skew":1.386465,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GVAC"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":-1.500000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872507,"usec":790033},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659250,"noise_level":-18.862633,"freq_skew":1.587620,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLT","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U245VX","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872507,"usec":790033},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.659250,"noise_level":-18.862633,"freq_skew":1.587620,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100021","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,90,89,0,64,128,17,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872509,"usec":322145},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783385,"noise_level":-19.679350,"freq_skew":2.468412,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"XA23DQ","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872509,"usec":323603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878778,"noise_level":-19.679350,"freq_skew":1.217073,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872510,"usec":77883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206369,"noise_level":-20.228445,"freq_skew":1.453895,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872513,"usec":123843},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599021,"noise_level":-19.754147,"freq_skew":2.511304,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"XA23DQ","msg_num":"A05","msg_num_seq":"A","sublabel":"M1","mfi":"BA","msg_text":"SOUCAYA.CC1..N23DQ60C090714910395B","arinc622":{"msg_type":"fans1a_cpdlc_connect_confirm","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":"..N23DQ","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":1,"msg_ref":32,"timestamp":{"hour":9,"min":1,"sec":49}},"atc_downlink_msg_element_id":{"choice_label":"[versionnumber]","choice":"dM73VersionNumber","data":{"ver_num":1}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872514,"usec":641111},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683190,"noise_level":-20.314705,"freq_skew":2.343446,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"XA23DQ","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872514,"usec":647084},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222097,"noise_level":-20.817802,"freq_skew":0.852576,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872515,"usec":400234},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751475,"noise_level":-20.675814,"freq_skew":0.849221,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872515,"usec":409836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979593,"noise_level":-20.517654,"freq_skew":2.704737,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872515,"usec":410204},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916407,"noise_level":-20.517654,"freq_skew":1.109650,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":10,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8642,"dst_ref":53571,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[60,111,241,31]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872516,"usec":166645},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.501149,"noise_level":-21.247408,"freq_skew":0.224349,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA070Q","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872516,"usec":166645},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.501149,"noise_level":-21.247408,"freq_skew":0.224349,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20066572","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,66,65,87,0,64,109,122,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872518,"usec":452382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.248803,"noise_level":-20.298439,"freq_skew":-2.042321,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872519,"usec":214438},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549037,"noise_level":-20.244667,"freq_skew":1.041410,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":11,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53571,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,38,164,87]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":1,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872519,"usec":222056},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346537,"noise_level":-20.891373,"freq_skew":0.287283,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA070Q","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872519,"usec":969462},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714489,"noise_level":-21.229691,"freq_skew":0.972902,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872519,"usec":972190},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658745,"noise_level":-21.462137,"freq_skew":1.014606,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":12,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[76,213,168,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872523,"usec":784723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903664,"noise_level":-20.246025,"freq_skew":1.011734,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872523,"usec":793104},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143070,"noise_level":-20.121819,"freq_skew":1.001391,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":13,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[161,162,218,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872529,"usec":881066},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322754,"noise_level":-19.200443,"freq_skew":-0.487298,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EGSS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872531,"usec":416357},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075643,"noise_level":-19.224190,"freq_skew":1.070821,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"FR03VT","msg_num":"M88","msg_num_seq":"A","msg_text":"/EGCC.TI2/024EGCCAF1FF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872535,"usec":993124},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139413,"noise_level":-18.058804,"freq_skew":0.917401,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"_d","blk_id":"6","ack":"F","flight":"FR03VT","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872536,"usec":735861},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920763,"noise_level":-17.962093,"freq_skew":1.478316,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32884,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,101,117,197]}]}],"unknown_proto":{"data":[0,169,39,179,201,170,66,56,9,36,49,63,19,42,36,216,12,172,1,41,167,147,73,8,208,0,218,161,228,210,66,10,230,79,183,176,27,197,34,164,164,152,83,164,196,0,59,57,145,206,204,8,67,40,195,121,54,13,42,178,192,24,48,166,26,51,30,225,69,4,1,15,99,225,0,246,106,82,207,38,146,11,198,94,131,39,219,216,13,226,144,85,252,147,10,116,152,137,15,169,14,128,143,65,145,206,204,8,67,40,49]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872536,"usec":736902},"freq":136975000,"burst_len_octets":435,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837900,"noise_level":-17.955227,"freq_skew":1.499462,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":true,"reasm_status":"in progress","clnp":{"err":true,"unknown_proto":{"data":[98,77,131,74,172,180,141,212,135,64,69,192,200,54,14,4,120,182,26,52,146,50,8,48,2,244,24,240,93,192,150,38,195,106,228,201,244,165,213,73,65,132,26,2,203,87,3,28,209,168,19,42,8,111,186,74,184,32,200,131,208,94,27,145,4,62,38,13,247,148,39,218,159,25,50,148,16,56,8,244,22,72,176,65,97,27,195,125,228,40,51,34,65,79,124,131,250,2,197,30,130,155,66,232,57,195,64,111,188,131,10,173,9,42,106,176,124,192,88,195,208,77,100,61,9,85,179,13]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872536,"usec":736902},"freq":136975000,"burst_len_octets":435,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.837900,"noise_level":-17.955227,"freq_skew":1.499462,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":true,"reasm_status":"in progress","unknown_proto":{"data":[247,80,224,211,86,247,131,226,2,202,222,130,62,128,72,91,80,216,111,188,133,22,196,25,139,93,224,122,192,89,43,208,61,172,165,14,98,51,13,247,148,224,205,131,73,133,230,14,216,8,244,13,214,68,196,11,96,131,125,229,154,180,230,197,101,76,3,158,2,61,3,32,0,209,25,84,0,223,121,50,76,216,51,26,69,32,224,128,177,151,160,88,72,74,39,25,228,27,239,36,211,159,46,11,103,180,27,240,17,232,20,86,32,138,84,0,134,251,201,52,34,210,130,222,148,6,196,4]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872536,"usec":736902},"freq":136975000,"burst_len_octets":435,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.837900,"noise_level":-17.955227,"freq_skew":1.499462,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":true,"reasm_status":"in progress","unknown_proto":{"data":[92,4,121,120,162,198,8,129,190,238,97,160,103,20,15,64,142,166,68,88,232,72,53,26,68,147,54,92,151,50,112,52,32,34,224,35,161,245,22,61,14,13,28,115,43,71,208,2,184,8,96,136,197,182,71,129,12,221,49,49,244,1,61,130,22,15,49,110,66,80,57,149,14,181,55,78,60,125,64,64,5,21,108,16,129,112,139,128,95,1,16,58,153,163,234,2,0,34,107,0,132,11,132,92,2,248,7,253,212,233,31,75,128,132,11,132,92,2,248,7,253,212,233,31,64,67,216,33]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872537,"usec":502020},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016929,"noise_level":-18.489187,"freq_skew":1.419024,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32884,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,101,117,197]}]}],"adsc_v2":{"adsc_report":{"choice":"periodic-report","data":{"periodic_report":{"report_data":{"position":{"lat":{"deg":50,"min":40,"sec":58.900000,"dir":"north"},"lon":{"deg":1,"min":37,"sec":38.400000,"dir":"west"},"alt":{"val":23060.000000,"unit":"ft"}},"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":2,"sec":13}},"figure_of_merit":{"estimated_position_uncertainty":{"val":0.070000,"unit":"nm"},"multiple_nav_units_operating":true,"aais_available":true},"contract_number":84,"projected_profile":{"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":2,"sec":2}},"waypoint_sequence":[{"waypoint_sequence_element":{"position":{"lat":{"deg":50,"min":31,"sec":44.500000,"dir":"north"},"lon":{"deg":1,"min":47,"sec":8.200000,"dir":"west"},"alt":{"val":26310.000000,"unit":"ft"}},"waypoint_name":"IBNID","eta":{"hour":0,"min":1,"sec":54}}},{"waypoint_sequence_element":{"position":{"lat":{"deg":50,"min":14,"sec":47.300000,"dir":"north"},"lon":{"deg":2,"min":4,"sec":20.200000,"dir":"west"},"alt":{"val":30520.000000,"unit":"ft"}},"waypoint_name":"MARUK","eta":{"hour":0,"min":3,"sec":1}}}]},"ground_vector":{"ground_track":{"val":213.150000,"unit":"deg"},"ground_speed":{"val":369.000000,"unit":"kts"},"vertical_rate":{"val":1950.000000,"unit":"ft/min"}},"air_vector":{"heading":{"val":212.950000,"unit":"deg"},"airspeed":{"choice":"mach-and-ias","data":{"mach_and_ias":{"mach":{"val":0.628000,"unit":""},"ias":{"val":271.000000,"unit":"kts"}}}},"vertical_rate":{"val":1960.000000,"unit":"ft/min"}},"meteo_data":{"wind_speed":{"choice":"kt","data":{"wind_speed":{"val":15.000000,"unit":"kts"}}},"wind_direction":{"val":206.000000,"unit":"deg"},"temperature":{"val":-25.750000,"unit":"C"}},"extended_projected_profile":{"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":1,"sec":30}},"extended_waypoint_sequence":[{"waypoint_data":{"lat":{"deg":50,"min":31,"sec":44.500000,"dir":"north"},"lon":{"deg":1,"min":47,"sec":8.200000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":26760.000000,"unit":"ft"}}},"waypoint_name":"IBNID","eta":{"hour":9,"min":3,"sec":58},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":50,"min":14,"sec":47.300000,"dir":"north"},"lon":{"deg":2,"min":4,"sec":20.200000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":30850.000000,"unit":"ft"}}},"waypoint_name":"MARUK","eta":{"hour":9,"min":6,"sec":58},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":50,"min":3,"sec":38.700000,"dir":"north"},"lon":{"deg":2,"min":15,"sec":9.100000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":32790.000000,"unit":"ft"}}},"eta":{"hour":9,"min":8,"sec":50},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.762000,"unit":""}}},"vertical_type":["cross over"]}},{"waypoint_data":{"lat":{"deg":49,"min":56,"sec":18.700000,"dir":"north"},"lon":{"deg":2,"min":22,"sec":15.500000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":34240.000000,"unit":"ft"}}},"waypoint_name":"LORKU","eta":{"hour":9,"min":10,"sec":3},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.762000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":30.100000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":49,"min":51,"sec":28.200000,"dir":"north"},"lon":{"deg":2,"min":25,"sec":32.100000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"eta":{"hour":9,"min":10,"sec":46},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.762000,"unit":""}}},"vertical_type":["top of climb","start of level"]}},{"waypoint_data":{"lat":{"deg":47,"min":3,"sec":45.600000,"dir":"north"},"lon":{"deg":4,"min":15,"sec":55.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"POZOF","eta":{"hour":9,"min":37,"sec":10},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.759000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":44,"min":36,"sec":35.200000,"dir":"north"},"lon":{"deg":5,"min":33,"sec":11.100000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"BALDA","eta":{"hour":9,"min":59,"sec":57},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.754000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":27.600000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":41,"min":45,"sec":4.600000,"dir":"north"},"lon":{"deg":7,"min":14,"sec":10.400000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"ABUPI","eta":{"hour":10,"min":26,"sec":43},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.749000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":28.000000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":38,"min":44,"sec":54.200000,"dir":"north"},"lon":{"deg":9,"min":21,"sec":43.500000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"CAS","eta":{"hour":10,"min":55,"sec":47},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.748000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":29.900000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":35,"min":58,"sec":0.400000,"dir":"north"},"lon":{"deg":11,"min":26,"sec":53.900000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"BEXAL","eta":{"hour":11,"min":23,"sec":30},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.745000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":29.300000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":30,"min":53,"sec":59.400000,"dir":"north"},"lon":{"deg":14,"min":24,"sec":56.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"SAMAR","eta":{"hour":12,"min":11,"sec":51},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.737000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":27,"min":43,"sec":13.700000,"dir":"north"},"lon":{"deg":16,"min":11,"sec":38.600000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"YUSME","eta":{"hour":12,"min":42,"sec":24},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.731000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":25,"min":0,"sec":0.600000,"dir":"north"},"lon":{"deg":17,"min":37,"sec":32.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"LIMAL","eta":{"hour":13,"min":8,"sec":41},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.724000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":28.100000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":22,"min":4,"sec":53.000000,"dir":"north"},"lon":{"deg":19,"min":35,"sec":24.200000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"ISOKA","eta":{"hour":13,"min":39,"sec":45},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.723000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":20,"min":21,"sec":54.400000,"dir":"north"},"lon":{"deg":20,"min":42,"sec":0.100000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"waypoint_name":"IPERA","eta":{"hour":13,"min":58,"sec":20},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.716000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":17,"min":57,"sec":48.200000,"dir":"north"},"lon":{"deg":22,"min":12,"sec":6.800000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":35000.000000,"unit":"ft"}}},"eta":{"hour":14,"min":24,"sec":26},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.706000,"unit":""}}},"vertical_type":["top of descent","start of descent"]}},{"waypoint_data":{"lat":{"deg":17,"min":53,"sec":20.000000,"dir":"north"},"lon":{"deg":22,"min":14,"sec":53.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":33230.000000,"unit":"ft"}}},"waypoint_name":"DIMKI","eta":{"hour":14,"min":25,"sec":14},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.708000,"unit":""}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":17,"min":52,"sec":25.000000,"dir":"north"},"lon":{"deg":22,"min":15,"sec":27.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":32810.000000,"unit":"ft"}}},"eta":{"hour":14,"min":25,"sec":22},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"vertical_type":["cross over"]}},{"waypoint_data":{"lat":{"deg":16,"min":48,"sec":27.300000,"dir":"north"},"lon":{"deg":22,"min":54,"sec":28.600000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":10000.000000,"unit":"ft"}}},"eta":{"hour":14,"min":38,"sec":9},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"vertical_type":["speed limit"]}},{"waypoint_data":{"lat":{"deg":16,"min":44,"sec":12.100000,"dir":"north"},"lon":{"deg":22,"min":57,"sec":3.700000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":8460.000000,"unit":"ft"}}},"waypoint_name":"CVS","eta":{"hour":14,"min":39,"sec":7},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"atOrAbove","alt":{"val":2500.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":16,"min":32,"sec":36.800000,"dir":"north"},"lon":{"deg":23,"min":0,"sec":19.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4690.000000,"unit":"ft"}}},"eta":{"hour":14,"min":41,"sec":38},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"atOrAbove","alt":{"val":2000.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":16,"min":32,"sec":36.800000,"dir":"north"},"lon":{"deg":23,"min":0,"sec":19.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4360.000000,"unit":"ft"}}},"eta":{"hour":14,"min":41,"sec":52},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}}}},{"waypoint_data":{"lat":{"deg":16,"min":32,"sec":36.800000,"dir":"north"},"lon":{"deg":23,"min":0,"sec":19.000000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4360.000000,"unit":"ft"}}},"eta":{"hour":14,"min":41,"sec":52},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"vertical_type":["start of speed change"]}},{"waypoint_data":{"lat":{"deg":16,"min":32,"sec":9.000000,"dir":"north"},"lon":{"deg":22,"min":56,"sec":51.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":3160.000000,"unit":"ft"}}},"waypoint_name":"CVS12","eta":{"hour":14,"min":43,"sec":28},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":210.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"atOrAbove","alt":{"val":2000.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":16,"min":39,"sec":27.800000,"dir":"north"},"lon":{"deg":22,"min":56,"sec":54.400000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":1490.000000,"unit":"ft"}}},"waypoint_name":"SL41","eta":{"hour":14,"min":45,"sec":48},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":145.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"atOrAbove","alt":{"val":1500.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":16,"min":43,"sec":26.300000,"dir":"north"},"lon":{"deg":22,"min":56,"sec":56.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":230.000000,"unit":"ft"}}},"waypoint_name":"GVAC","eta":{"hour":14,"min":47,"sec":43},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":128.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"at","alt":{"val":230.000000,"unit":"ft"}}}]}}}}],"gross_mass":{"val":69810.000000,"unit":"kg"},"trajectory_intent_status":{"lateral_flight_managed":true,"vertical_flight_managed":true,"speed_managed":true,"time_managed":false}},"speed_schedule_profile":{"predicted_gross_mass_at_top_of_descent":{"val":59420.000000,"unit":"kg"},"climb_speed":[{"single_speed_schedule":{"nominal_speed":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"min_max_speed":[{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":238.000000,"unit":"kts"}}}},{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":340.000000,"unit":"kts"}}}}]}},{"single_speed_schedule":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.761000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.710000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]}}],"initial_cruise_speed_at_top_of_climb":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.761000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.710000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]},"final_cruise_speed_at_top_of_descent":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.708000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.656000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]},"descent_speed":[{"single_speed_schedule":{"nominal_speed":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"min_max_speed":[{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":218.000000,"unit":"kts"}}}},{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":340.000000,"unit":"kts"}}}}]}},{"single_speed_schedule":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.708000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.656000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]}}]}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872538,"usec":256034},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.586016,"noise_level":-18.337238,"freq_skew":1.328020,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":10703},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449869,"noise_level":-18.841610,"freq_skew":-0.511956,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EGSS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":19358},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577713,"noise_level":-19.116035,"freq_skew":1.477640,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GVAC"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":-1.600000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":784092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558558,"noise_level":-19.022394,"freq_skew":1.516782,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":786351},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751505,"noise_level":-18.991404,"freq_skew":1.566165,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLT","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"U245VX","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":787833},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889339,"noise_level":-18.975950,"freq_skew":1.387200,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100021","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,90,89,0,64,128,17,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872539,"usec":793220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784585,"noise_level":-18.899090,"freq_skew":1.005026,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"_d","blk_id":"7","ack":"G","flight":"FR03VT","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872540,"usec":559507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049206,"noise_level":-18.859983,"freq_skew":1.584934,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872541,"usec":303435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027459,"noise_level":-18.656704,"freq_skew":1.397385,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872543,"usec":592761},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.509077,"noise_level":-18.192135,"freq_skew":0.111636,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20066572","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,66,65,87,0,64,109,122,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872544,"usec":358748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.528311,"noise_level":-18.564875,"freq_skew":0.221982,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872545,"usec":106367},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322656,"noise_level":-18.447855,"freq_skew":0.276469,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872545,"usec":866757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255949,"noise_level":-18.282356,"freq_skew":0.188363,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872546,"usec":651410},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.391749,"noise_level":-18.467422,"freq_skew":0.242144,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872547,"usec":396576},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730439,"noise_level":-18.358887,"freq_skew":1.058687,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872548,"usec":152849},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220627,"noise_level":-18.158510,"freq_skew":1.237276,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXS","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"KL1056","msg_num":"M02","msg_num_seq":"A","msg_text":"/EHAM.TI2/024EHAMA687E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872548,"usec":154185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352395,"noise_level":-18.438089,"freq_skew":0.883122,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872548,"usec":933951},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315165,"noise_level":-18.223080,"freq_skew":-0.547556,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EGSS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872549,"usec":680076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811257,"noise_level":-18.411554,"freq_skew":0.899255,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872549,"usec":682294},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170032,"noise_level":-18.389877,"freq_skew":-0.539706,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":233,"calling_addr":"22750522","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,67,65,73,0,75,209,82,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872550,"usec":451815},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681984,"noise_level":-18.413557,"freq_skew":1.299075,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872550,"usec":451999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.716785,"noise_level":-18.413557,"freq_skew":1.392410,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872550,"usec":464136},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.373407,"noise_level":-18.262915,"freq_skew":-0.767099,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872552,"usec":739494},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.663382,"noise_level":-18.147594,"freq_skew":-1.981951,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHH","mode":"2","label":"_d","blk_id":"0","ack":"P","flight":"KL0661","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872553,"usec":500552},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.513480,"noise_level":-18.587128,"freq_skew":-1.937179,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHH","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"KL0661","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872555,"usec":24997},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022976,"noise_level":-18.254021,"freq_skew":1.114723,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXS","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"KL1056","msg_num":"M03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872555,"usec":767382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468520,"noise_level":-18.155127,"freq_skew":0.439864,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872556,"usec":553992},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.414522,"noise_level":-17.817600,"freq_skew":0.914652,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53353,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[56,57,98,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872556,"usec":555026},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033891,"noise_level":-17.804098,"freq_skew":1.431507,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXS","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"KL1056","msg_num":"M04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872558,"usec":842202},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.307153,"noise_level":-17.530670,"freq_skew":-2.029017,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-BHH","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"KL0661","msg_num":"E15","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT07;PG1;REAL;SW030M2GV01\r\n1 METRIC UNITS\r\n2 NORMAL;NORMAL\r\n3 ON;\r\n4 OFF;ON\r\n5 11497;0\r\n6 0;11497\r\n7 8;\r\n8 0;8\r\n9 NORMAL;NORMAL\r\n10 28;28\r\n11 28;28\r\n12 52;61\r\n13 15.1;\r\n14 15.1;15.9\r\n15 1.03;;1.11"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872569,"usec":498688},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040737,"noise_level":-16.511250,"freq_skew":1.333216,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":86,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53548,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[240,51,126,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872570,"usec":251324},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919929,"noise_level":-16.418739,"freq_skew":1.239314,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872570,"usec":256350},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353332,"noise_level":-16.372850,"freq_skew":0.374579,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872571,"usec":29197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499934,"noise_level":-16.541222,"freq_skew":1.306530,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872571,"usec":29712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361465,"noise_level":-16.794851,"freq_skew":1.291712,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872572,"usec":539389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.390519,"noise_level":-16.551903,"freq_skew":-1.819137,"avlc":{"src":{"addr":"485342","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872572,"usec":541021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232194,"noise_level":-16.540230,"freq_skew":0.379871,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872574,"usec":63967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750314,"noise_level":-16.287333,"freq_skew":0.984018,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872574,"usec":67033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978542,"noise_level":-16.324490,"freq_skew":0.981836,"avlc":{"src":{"addr":"4B18A1","type":"Aircraft","status":"On ground"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872574,"usec":844201},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709715,"noise_level":-16.886715,"freq_skew":1.025137,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["10959A","10919A","1099DA","109E6A","10987A","10914A","1091EA","109D3A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872575,"usec":584939},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.105742,"noise_level":-16.886715,"freq_skew":0.481905,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872576,"usec":353331},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076135,"noise_level":-16.800831,"freq_skew":1.598907,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32884,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[143,80,122,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872576,"usec":353519},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654135,"noise_level":-16.800831,"freq_skew":1.102440,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23123373","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,251,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872577,"usec":119295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390203,"noise_level":-17.124998,"freq_skew":1.218333,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR03VT","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872577,"usec":129988},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837717,"noise_level":-17.841116,"freq_skew":1.528120,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":88,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40915,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,201,155,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872577,"usec":130936},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697022,"noise_level":-17.834343,"freq_skew":1.544645,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40915,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[102,31,130,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872577,"usec":876401},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897918,"noise_level":-18.621599,"freq_skew":1.176077,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872578,"usec":640159},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754943,"noise_level":-18.409285,"freq_skew":-2.226502,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":20,"variable_part_params":[{"name":"atn_checksum","value":[98,47,246,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872578,"usec":648280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830379,"noise_level":-18.635233,"freq_skew":1.017532,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872579,"usec":421422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745428,"noise_level":-18.954346,"freq_skew":-0.792045,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872580,"usec":163627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937134,"noise_level":-19.697208,"freq_skew":-2.302263,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872580,"usec":931565},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.155033,"noise_level":-19.621199,"freq_skew":0.439893,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872586,"usec":263496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.548135,"noise_level":-18.493784,"freq_skew":2.273759,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872587,"usec":17572},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526659,"noise_level":-18.399359,"freq_skew":-2.286287,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872587,"usec":782545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160331,"noise_level":-19.355114,"freq_skew":1.119287,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872587,"usec":787633},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313886,"noise_level":-19.282835,"freq_skew":-2.528852,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":5,"rseq":21,"variable_part_params":[{"name":"atn_checksum","value":[183,251,41,149]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":19,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[59,9,222,48]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":19,"msg_ref":22,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":3,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872588,"usec":556088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742181,"noise_level":-18.968679,"freq_skew":-2.449157,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872590,"usec":821794},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640368,"noise_level":-18.952913,"freq_skew":0.324236,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":20,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":8,"ack":2,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,67,90,69,0,73,213,172]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,67,90,69,0,73,213,172]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872591,"usec":599762},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.842988,"noise_level":-19.614294,"freq_skew":0.289058,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872592,"usec":361455},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129931,"noise_level":-19.457846,"freq_skew":0.331984,"avlc":{"src":{"addr":"49D5AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872593,"usec":120172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732183,"noise_level":-20.285873,"freq_skew":0.550238,"avlc":{"src":{"addr":"4D2348","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872593,"usec":885038},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540367,"noise_level":-20.003265,"freq_skew":-2.322943,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":20,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[53,187,68,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":20,"msg_ref":22,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":3,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872594,"usec":640778},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838628,"noise_level":-20.311277,"freq_skew":-2.250770,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":420349},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062700,"noise_level":-20.168344,"freq_skew":1.235392,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":88,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":421218},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782764,"noise_level":-21.388763,"freq_skew":-2.477384,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":421218},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.782764,"noise_level":-21.388763,"freq_skew":-2.477384,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53279,"credit":6,"rseq":23,"variable_part_params":[{"name":"atn_checksum","value":[128,104,86,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":421218},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.782764,"noise_level":-21.388763,"freq_skew":-2.477384,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53279,"sseq":21,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[233,58,74,163]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":426846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.490744,"noise_level":-21.297516,"freq_skew":0.240118,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872595,"usec":427151},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753042,"noise_level":-21.297516,"freq_skew":-2.456172,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":40917,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[212,48,238,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":3,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872596,"usec":160057},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517423,"noise_level":-21.951025,"freq_skew":-2.580779,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872596,"usec":160057},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.517423,"noise_level":-21.951025,"freq_skew":-2.580779,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872598,"usec":452280},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470229,"noise_level":-21.082546,"freq_skew":-2.483360,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[251,215,151,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":209078},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329889,"noise_level":-21.635170,"freq_skew":-2.204314,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":209078},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.329889,"noise_level":-21.635170,"freq_skew":-2.204314,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":209078},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":2,"sig_level":-5.329889,"noise_level":-21.635170,"freq_skew":-2.204314,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":53279,"variable_part_params":[{"name":"atn_checksum","value":[17,61,127,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":213607},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355783,"noise_level":-21.562082,"freq_skew":-2.238615,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":983447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041374,"noise_level":-21.991535,"freq_skew":1.060051,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":984935},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652887,"noise_level":-21.969711,"freq_skew":-2.363190,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872599,"usec":984935},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.652887,"noise_level":-21.969711,"freq_skew":-2.363190,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[111,119,146,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872600,"usec":744343},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853703,"noise_level":-22.528580,"freq_skew":1.391821,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"GVAC"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":-1.700000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872600,"usec":744343},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.853703,"noise_level":-22.528580,"freq_skew":1.391821,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLT","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"U245VX","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872600,"usec":744578},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013936,"noise_level":-22.528580,"freq_skew":1.458742,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100021","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,90,89,0,64,128,17,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872602,"usec":257561},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694690,"noise_level":-22.075745,"freq_skew":1.279442,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872603,"usec":18642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176931,"noise_level":-22.047300,"freq_skew":1.327428,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872603,"usec":27302},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675464,"noise_level":-21.894722,"freq_skew":1.242356,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":97,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872603,"usec":784536},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957916,"noise_level":-21.819424,"freq_skew":-2.417913,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872603,"usec":784536},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.957916,"noise_level":-21.819424,"freq_skew":-2.417913,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[111,119,146,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872603,"usec":784739},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777099,"noise_level":-21.819424,"freq_skew":-0.759146,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872604,"usec":551930},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.445193,"noise_level":-21.955940,"freq_skew":0.262605,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"BA070Q","msg_num":"D91","msg_num_seq":"G","sublabel":"DF","msg_text":".......\r\n 46 41 0 0 0 0 0 0 0 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872604,"usec":555761},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.396534,"noise_level":-21.890907,"freq_skew":2.026159,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZUO","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"U258ER","msg_num":"F17","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGBB,15O,43,094422,0487B43"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872605,"usec":302204},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784134,"noise_level":-21.783585,"freq_skew":-2.455155,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[196,68,196,80]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":40917,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[35,167,113,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":3,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872606,"usec":65835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604178,"noise_level":-22.018616,"freq_skew":-2.423809,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872606,"usec":832673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.101208,"noise_level":-22.532177,"freq_skew":2.052234,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872607,"usec":590167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575098,"noise_level":-22.134512,"freq_skew":0.101340,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872608,"usec":361347},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515971,"noise_level":-21.915190,"freq_skew":0.931525,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872608,"usec":368513},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992208,"noise_level":-21.786205,"freq_skew":1.168872,"avlc":{"src":{"addr":"485779","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":97,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872612,"usec":177367},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555016,"noise_level":-20.582611,"freq_skew":-0.454629,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872612,"usec":922060},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756697,"noise_level":-20.481033,"freq_skew":-0.478934,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21722430","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,165,24,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872612,"usec":923674},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761838,"noise_level":-20.801388,"freq_skew":-0.583058,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DY033B","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872617,"usec":493292},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821340,"noise_level":-19.445934,"freq_skew":-0.512372,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21722430","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,165,24,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872617,"usec":493292},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.821340,"noise_level":-19.445934,"freq_skew":-0.512372,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DY033B","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872621,"usec":305812},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784874,"noise_level":-18.688499,"freq_skew":-0.638947,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21722430","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,165,24,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872621,"usec":307853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580879,"noise_level":-18.782228,"freq_skew":-0.524502,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DY033B","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872623,"usec":589702},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391287,"noise_level":-19.156633,"freq_skew":1.026651,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DYX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR03VT","msg_num":"M89","msg_num_seq":"A","msg_text":"090341,,0918, 79,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872625,"usec":120297},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226604,"noise_level":-18.741089,"freq_skew":1.249361,"avlc":{"src":{"addr":"4CA6FB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872625,"usec":132240},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993884,"noise_level":-19.464352,"freq_skew":-0.424889,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21722430","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,165,24,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872625,"usec":132240},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.993884,"noise_level":-19.464352,"freq_skew":-0.424889,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DY033B","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872628,"usec":942035},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873878,"noise_level":-18.748821,"freq_skew":-0.355382,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21722430","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,65,88,0,71,165,24,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872629,"usec":689035},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740412,"noise_level":-19.130228,"freq_skew":-0.717530,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"DY033B","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872630,"usec":438294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852067,"noise_level":-19.061258,"freq_skew":-0.594535,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872637,"usec":304102},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.487502,"noise_level":-18.252312,"freq_skew":0.626668,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISO","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH09AF","msg_num":"M18","msg_num_seq":"A","msg_text":"00013209265KDWW08IKKIKJ(YUAUAQ,OH,11W+DH+V8KE44JUA(J8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872637,"usec":314533},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.419854,"noise_level":-18.125389,"freq_skew":2.229806,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-IKY","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR8086","msg_num":"D09","msg_num_seq":"C","sublabel":"DF","msg_text":" 000 -019\r\n 423 824 826 00 -01 00025015\r\n007007012 014 68 855 82181 0\r\n018CE0000000000349C500000100007F0010000000802000000678030000000100000000000000000000000000\r\n0000000000000000000000000000000000000000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872638,"usec":66284},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.589801,"noise_level":-18.041794,"freq_skew":0.476608,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":52.299999,"lon":-0.900000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872638,"usec":68187},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.449915,"noise_level":-18.021021,"freq_skew":0.659172,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH09AF","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872638,"usec":73967},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.178622,"noise_level":-17.952133,"freq_skew":0.684362,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872638,"usec":831316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.889997,"noise_level":-17.795731,"freq_skew":0.538151,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872639,"usec":597737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.209366,"noise_level":-17.848373,"freq_skew":0.525359,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872643,"usec":389150},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487429,"noise_level":-17.112692,"freq_skew":-0.591249,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872643,"usec":395334},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881143,"noise_level":-17.217201,"freq_skew":-0.556865,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":169,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872644,"usec":165804},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397396,"noise_level":-17.192019,"freq_skew":0.969535,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":15,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[161,162,218,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872645,"usec":693666},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022509,"noise_level":-16.835709,"freq_skew":-0.824936,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872645,"usec":693666},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.022509,"noise_level":-16.835709,"freq_skew":-0.824936,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"_d","blk_id":"0","ack":"F","flight":"DY033B","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872646,"usec":461162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777744,"noise_level":-17.569351,"freq_skew":-0.392164,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872651,"usec":14555},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091834,"noise_level":-17.409412,"freq_skew":1.041556,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872651,"usec":14555},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.091834,"noise_level":-17.409412,"freq_skew":1.041556,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872651,"usec":775875},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644358,"noise_level":-17.534216,"freq_skew":0.794986,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872651,"usec":775875},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.644358,"noise_level":-17.534216,"freq_skew":0.794986,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":16,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[246,111,13,127]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53571,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[240,213,121,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":4,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872652,"usec":543511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703481,"noise_level":-17.359426,"freq_skew":-0.621652,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872652,"usec":551432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560976,"noise_level":-17.773590,"freq_skew":1.007632,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872658,"usec":648176},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947119,"noise_level":-17.017044,"freq_skew":1.942269,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":211,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872659,"usec":391624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.731081,"noise_level":-16.842865,"freq_skew":-2.156221,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872659,"usec":402364},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269691,"noise_level":-17.247650,"freq_skew":1.368670,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":90,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872660,"usec":927448},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623943,"noise_level":-16.936920,"freq_skew":-2.389570,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872661,"usec":676662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.760509,"noise_level":-16.833755,"freq_skew":2.334668,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872663,"usec":215033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105269,"noise_level":-16.610641,"freq_skew":1.358112,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872663,"usec":968242},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122345,"noise_level":-17.142179,"freq_skew":0.844234,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":17,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53571,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,106,66,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":4,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872663,"usec":982701},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896278,"noise_level":-17.895695,"freq_skew":0.886852,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872664,"usec":752932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345272,"noise_level":-17.760410,"freq_skew":1.845204,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872665,"usec":495364},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787365,"noise_level":-17.660311,"freq_skew":0.906285,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[106,15,8,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872667,"usec":34494},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159978,"noise_level":-17.460218,"freq_skew":0.022248,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"BA070Q","msg_num":"L86","msg_num_seq":"A","msg_text":"/EGLL.TI2/030EGLLA7330"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872668,"usec":543938},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.157967,"noise_level":-17.166967,"freq_skew":0.383389,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"BA070Q","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872670,"usec":65464},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279872,"noise_level":-17.211716,"freq_skew":0.794260,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"KBOS"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":-2.300000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872670,"usec":78222},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.321902,"noise_level":-17.086603,"freq_skew":0.898885,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N408DX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"NW0059","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872670,"usec":78222},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.321902,"noise_level":-17.086603,"freq_skew":0.898885,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"51145272","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,65,76,0,164,202,186,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872671,"usec":596359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.820238,"noise_level":-16.865841,"freq_skew":0.738508,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872673,"usec":119231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.795252,"noise_level":-16.556553,"freq_skew":1.043168,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872673,"usec":120127},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974685,"noise_level":-16.550713,"freq_skew":0.133967,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"BA070Q","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872675,"usec":409751},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650077,"noise_level":-17.127125,"freq_skew":0.811997,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":19,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[191,219,58,26]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53571,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,223,249,98]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":4,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872675,"usec":410686},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291291,"noise_level":-17.120888,"freq_skew":2.780169,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":127,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872676,"usec":925630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890638,"noise_level":-16.899265,"freq_skew":1.074151,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872676,"usec":931064},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.726073,"noise_level":-17.919809,"freq_skew":0.758425,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":85,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53353,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[56,57,98,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872677,"usec":703274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.587276,"noise_level":-17.710432,"freq_skew":0.493730,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872678,"usec":443936},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.094108,"noise_level":-17.538635,"freq_skew":0.138586,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKD","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"BA070Q","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872679,"usec":976166},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.418653,"noise_level":-17.325367,"freq_skew":-1.346359,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872680,"usec":736734},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059326,"noise_level":-17.123447,"freq_skew":2.131610,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53578,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[112,166,200,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872681,"usec":498736},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951596,"noise_level":-16.932213,"freq_skew":-0.835884,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":233,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":494,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872683,"usec":21793},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.276204,"noise_level":-17.095749,"freq_skew":0.892497,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872683,"usec":32696},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.546179,"noise_level":-17.152884,"freq_skew":0.195708,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53413,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[146,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872683,"usec":788345},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403337,"noise_level":-17.102962,"freq_skew":1.086596,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221217","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,143,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872683,"usec":796906},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.237837,"noise_level":-17.891321,"freq_skew":1.018136,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR70CB","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872684,"usec":527466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866350,"noise_level":-18.955456,"freq_skew":-0.547273,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872684,"usec":530168},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161320,"noise_level":-19.296253,"freq_skew":0.325344,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53413,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[166,140]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872685,"usec":304046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773996,"noise_level":-19.106110,"freq_skew":0.873435,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872686,"usec":64069},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455509,"noise_level":-18.912371,"freq_skew":0.844621,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872687,"usec":595634},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.361848,"noise_level":-19.592201,"freq_skew":0.206313,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53413,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[146,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872687,"usec":595634},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.361848,"noise_level":-19.592201,"freq_skew":0.206313,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53413,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[166,140]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872688,"usec":371697},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.349104,"noise_level":-19.282845,"freq_skew":0.430402,"avlc":{"src":{"addr":"406D7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3,"dst_ref":53413,"variable_part_params":[{"name":"checksum","value":[181,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872689,"usec":872312},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907831,"noise_level":-19.053953,"freq_skew":1.261070,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53548,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[240,51,126,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872689,"usec":882705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.995793,"noise_level":-18.914860,"freq_skew":-2.007395,"avlc":{"src":{"addr":"AB3C0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2335F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872689,"usec":886741},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881329,"noise_level":-18.868984,"freq_skew":1.296396,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872690,"usec":655698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.556097,"noise_level":-18.838537,"freq_skew":1.584668,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872691,"usec":406396},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547212,"noise_level":-18.561832,"freq_skew":0.921225,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":20,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53571,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[121,205,159,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":4,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872692,"usec":929217},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731276,"noise_level":-18.201658,"freq_skew":0.818626,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872693,"usec":685969},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754878,"noise_level":-18.082432,"freq_skew":1.185646,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872693,"usec":689415},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825566,"noise_level":-18.541796,"freq_skew":0.997538,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872694,"usec":443429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776043,"noise_level":-18.374516,"freq_skew":1.318021,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872695,"usec":223964},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094848,"noise_level":-18.689674,"freq_skew":0.821151,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[21,168,108,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872695,"usec":973171},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079138,"noise_level":-18.987030,"freq_skew":-0.451808,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872696,"usec":720399},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025863,"noise_level":-18.879480,"freq_skew":1.447135,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32884,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[143,80,122,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872696,"usec":731414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595831,"noise_level":-18.735619,"freq_skew":-0.657520,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872697,"usec":500865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996971,"noise_level":-18.702484,"freq_skew":1.221156,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872697,"usec":504666},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972295,"noise_level":-18.665159,"freq_skew":1.489494,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":93,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40915,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[102,31,130,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872699,"usec":27317},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.633640,"noise_level":-18.329105,"freq_skew":1.577274,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGCC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872699,"usec":794822},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.395741,"noise_level":-18.095789,"freq_skew":1.644939,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746766","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872700,"usec":543891},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.565617,"noise_level":-18.492128,"freq_skew":1.562719,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XQ03BN","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872701,"usec":306846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275007,"noise_level":-18.254452,"freq_skew":1.735048,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872705,"usec":883916},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684206,"noise_level":-17.817158,"freq_skew":0.939617,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1938,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[182,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872705,"usec":889107},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.813344,"noise_level":-17.756567,"freq_skew":2.995870,"avlc":{"src":{"addr":"4CAE65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10978A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1028,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53359,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[146,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872707,"usec":404808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889306,"noise_level":-17.531410,"freq_skew":1.135399,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872710,"usec":458354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.706881,"noise_level":-16.968384,"freq_skew":1.503021,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872711,"usec":208053},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.574374,"noise_level":-16.744596,"freq_skew":-1.455292,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"AC0833","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872711,"usec":209365},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886899,"noise_level":-16.921690,"freq_skew":1.223009,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWH","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"U225RW","msg_num":"M26","msg_num_seq":"A","msg_text":"02E27LFPGEGGDN51273W00052609002635M345189017G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872711,"usec":210271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.091901,"noise_level":-17.566248,"freq_skew":-1.476327,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872713,"usec":491686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091358,"noise_level":-17.498291,"freq_skew":1.137414,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872714,"usec":257820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554606,"noise_level":-17.426949,"freq_skew":1.097282,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872715,"usec":784525},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669378,"noise_level":-17.945900,"freq_skew":1.014185,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":3.100000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872715,"usec":786244},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.168578,"noise_level":-18.447172,"freq_skew":-1.432836,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872715,"usec":787536},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381077,"noise_level":-18.432657,"freq_skew":1.108292,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1939,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[178,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872716,"usec":544210},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552881,"noise_level":-19.338268,"freq_skew":1.128555,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1940,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53402,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[220,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":5,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872716,"usec":548624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445226,"noise_level":-19.820351,"freq_skew":1.070360,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872716,"usec":550272},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802063,"noise_level":-19.794863,"freq_skew":0.829410,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22141246","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,166,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872717,"usec":297967},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.839639,"noise_level":-19.685276,"freq_skew":-1.581179,"avlc":{"src":{"addr":"C0611F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUG","mode":"2","label":"_d","blk_id":"1","ack":"S","flight":"AC0833","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872717,"usec":301996},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728920,"noise_level":-19.626833,"freq_skew":0.773659,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RZG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR06AT","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872718,"usec":69422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122633,"noise_level":-19.478336,"freq_skew":1.015445,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872718,"usec":73076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765740,"noise_level":-19.435322,"freq_skew":0.726230,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872718,"usec":826072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268697,"noise_level":-19.258078,"freq_skew":0.991705,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872721,"usec":107617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279644,"noise_level":-19.006401,"freq_skew":-2.466817,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872724,"usec":932842},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009132,"noise_level":-17.929438,"freq_skew":-2.352612,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[196,68,196,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872725,"usec":687490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630319,"noise_level":-17.854479,"freq_skew":-2.218436,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40917,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[126,198,54,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872725,"usec":688755},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453790,"noise_level":-17.840921,"freq_skew":0.957066,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1941,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53402,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[40,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":5,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872727,"usec":204154},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711581,"noise_level":-18.226818,"freq_skew":0.902207,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1942,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[174,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872729,"usec":500238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161157,"noise_level":-17.965471,"freq_skew":2.096151,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872729,"usec":509615},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037911,"noise_level":-17.862995,"freq_skew":2.016056,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53578,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[197,115,250,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872730,"usec":270809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244514,"noise_level":-18.156513,"freq_skew":1.939744,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53578,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[147,125,219,89]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872734,"usec":834474},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049827,"noise_level":-17.193321,"freq_skew":-0.502931,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872734,"usec":834474},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.049827,"noise_level":-17.193321,"freq_skew":-0.502931,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872737,"usec":875104},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644209,"noise_level":-17.290550,"freq_skew":2.139145,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EHEH"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":2.800000},"alt":122000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872741,"usec":683938},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.752356,"noise_level":-17.329399,"freq_skew":0.224033,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872741,"usec":683938},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.752356,"noise_level":-17.329399,"freq_skew":0.224033,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872742,"usec":442576},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663601,"noise_level":-17.133627,"freq_skew":-0.813881,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"...."}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872747,"usec":28579},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.301610,"noise_level":-17.377068,"freq_skew":2.310626,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[57,116,195,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872748,"usec":535172},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025527,"noise_level":-17.055565,"freq_skew":1.632281,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EHEH"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":2.800000},"alt":122000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872749,"usec":313028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.438361,"noise_level":-16.926565,"freq_skew":2.796901,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872749,"usec":316067},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.390234,"noise_level":-16.896132,"freq_skew":0.338177,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":52,"dst_ref":53353,"variable_part_params":[{"name":"atn_checksum","value":[148,157,213,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872750,"usec":75423},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500575,"noise_level":-17.429626,"freq_skew":-0.695932,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"...."}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872750,"usec":75812},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621763,"noise_level":-17.429626,"freq_skew":1.183004,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872750,"usec":832605},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.515295,"noise_level":-18.098551,"freq_skew":2.352125,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[57,116,195,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872750,"usec":834570},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359235,"noise_level":-18.099874,"freq_skew":-0.758627,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XA0001","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872751,"usec":597844},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460525,"noise_level":-18.536114,"freq_skew":0.279509,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"RJTT"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":1.000000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872752,"usec":367671},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770204,"noise_level":-19.512066,"freq_skew":-0.660777,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872753,"usec":132042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669447,"noise_level":-19.691595,"freq_skew":2.424716,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872753,"usec":878547},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723380,"noise_level":-19.591576,"freq_skew":1.340039,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":216,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872758,"usec":452511},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664971,"noise_level":-18.977283,"freq_skew":1.888112,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"dst_airport","value":"EHEH"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":2.800000},"alt":122000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872758,"usec":464344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.713222,"noise_level":-18.816633,"freq_skew":1.570315,"avlc":{"src":{"addr":"3485C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872759,"usec":216582},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968441,"noise_level":-18.681257,"freq_skew":1.946650,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCA","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR75TJ","msg_num":"M36","msg_num_seq":"A","msg_text":"090543,121568,0934, 82,N 50.370 E 2.820"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872759,"usec":985101},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.960711,"noise_level":-18.826168,"freq_skew":2.088740,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221153","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,107,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872760,"usec":726093},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691085,"noise_level":-18.721786,"freq_skew":0.493114,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"RJTT"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":1.000000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872760,"usec":726803},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972168,"noise_level":-19.617205,"freq_skew":1.912814,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCA","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR75TJ","msg_num":"M36","msg_num_seq":"A","msg_text":"090543,121568,0934, 82,N 50.370 E 2.820"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872760,"usec":732876},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525571,"noise_level":-19.586182,"freq_skew":0.290708,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBE","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA0007","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872761,"usec":495630},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.286960,"noise_level":-20.328449,"freq_skew":1.662634,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"XQ03BN","msg_num":"M47","msg_num_seq":"A","msg_text":"090558,+32061,0929,7840,N 52.2597,W 0.9736,SXS3BN "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872761,"usec":503137},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753983,"noise_level":-20.220869,"freq_skew":2.307973,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":1.200000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872763,"usec":781743},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088492,"noise_level":-20.634827,"freq_skew":1.850287,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2005,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872764,"usec":543607},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.982270,"noise_level":-20.518896,"freq_skew":2.031022,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCA","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR75TJ","msg_num":"M36","msg_num_seq":"A","msg_text":"090543,121568,0934, 82,N 50.370 E 2.820"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872766,"usec":71136},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.445735,"noise_level":-20.608160,"freq_skew":1.767382,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"XQ03BN","msg_num":"M47","msg_num_seq":"A","msg_text":"090558,+32061,0929,7840,N 52.2597,W 0.9736,SXS3BN "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872766,"usec":75869},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621346,"noise_level":-20.533951,"freq_skew":0.335542,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XWBE","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA0007","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872766,"usec":75869},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.621346,"noise_level":-20.533951,"freq_skew":0.335542,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20074270","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,120,184,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872766,"usec":825256},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385247,"noise_level":-21.529284,"freq_skew":0.301230,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872767,"usec":613362},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.430234,"noise_level":-21.883469,"freq_skew":0.980437,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872767,"usec":620814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.980762,"noise_level":-21.744328,"freq_skew":1.125010,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872767,"usec":622986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115184,"noise_level":-21.701962,"freq_skew":1.934694,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872768,"usec":360579},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093189,"noise_level":-21.349941,"freq_skew":1.512350,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGCC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":112677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900827,"noise_level":-21.329670,"freq_skew":1.942205,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":116677},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237115,"noise_level":-21.259098,"freq_skew":1.703227,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":116677},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.237115,"noise_level":-21.259098,"freq_skew":1.703227,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746766","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":116677},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.237115,"noise_level":-21.259098,"freq_skew":1.703227,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XQ03BN","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":883492},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538612,"noise_level":-21.070383,"freq_skew":2.015749,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":1.200000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":892670},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889143,"noise_level":-20.924242,"freq_skew":1.989128,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPD","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA0743","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872769,"usec":893226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.967282,"noise_level":-20.914585,"freq_skew":0.982572,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872770,"usec":651709},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043970,"noise_level":-20.761532,"freq_skew":1.978836,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20004004","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,8,4,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872770,"usec":658850},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275217,"noise_level":-20.648489,"freq_skew":1.743768,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872772,"usec":172035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874632,"noise_level":-20.369270,"freq_skew":2.159285,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872772,"usec":932451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358608,"noise_level":-20.005405,"freq_skew":1.577579,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872773,"usec":690984},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900173,"noise_level":-19.756941,"freq_skew":2.183010,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPD","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"BA0743","msg_num":"S35","msg_num_seq":"A","msg_text":"0EV090608V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":6,"sec":8}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872775,"usec":215584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557734,"noise_level":-19.376848,"freq_skew":0.415082,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872776,"usec":733220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604440,"noise_level":-19.997328,"freq_skew":1.950707,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872782,"usec":56358},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103050,"noise_level":-18.479496,"freq_skew":1.030305,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1943,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[163,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872782,"usec":64353},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805774,"noise_level":-18.378016,"freq_skew":0.936026,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53402,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[30,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":6,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872783,"usec":581285},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869734,"noise_level":-18.157440,"freq_skew":1.390451,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":217,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872783,"usec":585357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102141,"noise_level":-18.108398,"freq_skew":0.904738,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872784,"usec":365211},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462293,"noise_level":-17.949183,"freq_skew":1.144898,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872785,"usec":113344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875683,"noise_level":-17.752506,"freq_skew":0.418937,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872785,"usec":888130},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686984,"noise_level":-17.645872,"freq_skew":0.285233,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53561,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[99,57,244,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872787,"usec":409593},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821133,"noise_level":-17.761608,"freq_skew":0.572549,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53561,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[214,216,239,166]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53561,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[25,150,195,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":6,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872787,"usec":418625},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066972,"noise_level":-18.741598,"freq_skew":0.655019,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55949,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,48]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872788,"usec":168013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834397,"noise_level":-19.190825,"freq_skew":0.276432,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872790,"usec":452912},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601275,"noise_level":-18.661276,"freq_skew":0.889658,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1945,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53402,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[245,2]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":6,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872790,"usec":454092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727541,"noise_level":-18.862240,"freq_skew":-2.331621,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872791,"usec":213509},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.262845,"noise_level":-18.584793,"freq_skew":-2.226316,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":155,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872791,"usec":965024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149167,"noise_level":-18.511303,"freq_skew":0.983255,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872791,"usec":972833},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727473,"noise_level":-18.409452,"freq_skew":1.013753,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1946,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[159,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872792,"usec":743119},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017347,"noise_level":-18.251774,"freq_skew":1.056124,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1947,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53402,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[155,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872792,"usec":751684},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767002,"noise_level":-18.912670,"freq_skew":0.872471,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1948,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53402,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[155,228]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872793,"usec":502779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.059342,"noise_level":-19.102959,"freq_skew":-2.282397,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"_d","blk_id":"9","ack":"N","flight":"DK0566","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872794,"usec":256901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093389,"noise_level":-18.924627,"freq_skew":1.163577,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872794,"usec":257688},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.703601,"noise_level":-19.608164,"freq_skew":1.252857,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":119,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872795,"usec":786138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120664,"noise_level":-19.314287,"freq_skew":-2.050677,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872795,"usec":793305},"freq":136975000,"burst_len_octets":158,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.161312,"noise_level":-19.218498,"freq_skew":-2.430618,"avlc":{"src":{"addr":"45D970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OY-VKP","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"DK0566","msg_num":"F53","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50166W001506,N50298W001408,090632,410,N50117W001542,090720,N49521W002085,M58,18521,461/TS090632,2705268EFE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872795,"usec":793854},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698889,"noise_level":-19.620571,"freq_skew":0.521173,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53561,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[164,135,33,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":6,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":302441},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783366,"noise_level":-19.334324,"freq_skew":1.107104,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1949,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":22,"dst_ref":53402,"variable_part_params":[{"name":"checksum","value":[171,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":303387},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626542,"noise_level":-19.326283,"freq_skew":0.400077,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":303387},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.626542,"noise_level":-19.326283,"freq_skew":0.400077,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53561,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[129,114,84,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":303387},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.626542,"noise_level":-19.326283,"freq_skew":0.400077,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":269,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53561,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[92,46,188,37]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":304140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.706224,"noise_level":-19.318247,"freq_skew":0.679384,"avlc":{"src":{"addr":"A4CABA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872797,"usec":312047},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556546,"noise_level":-19.206545,"freq_skew":0.296577,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872798,"usec":77519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334994,"noise_level":-18.995090,"freq_skew":2.285683,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872798,"usec":823059},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877355,"noise_level":-18.918062,"freq_skew":2.057142,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":521,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872799,"usec":589982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.587119,"noise_level":-18.750967,"freq_skew":-0.599899,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872801,"usec":120862},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757226,"noise_level":-18.310946,"freq_skew":1.995274,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":521,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":13,"ack":5,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872802,"usec":649100},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580296,"noise_level":-18.279488,"freq_skew":2.051606,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55985,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[212,194]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872804,"usec":925463},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740026,"noise_level":-17.754185,"freq_skew":0.347182,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872804,"usec":925463},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.740026,"noise_level":-17.754185,"freq_skew":0.347182,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":270,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":53561,"variable_part_params":[{"name":"atn_checksum","value":[79,70,190,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872804,"usec":928079},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519681,"noise_level":-17.720715,"freq_skew":0.391733,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":56039,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,1]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[168,87,250,248]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872805,"usec":689943},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863691,"noise_level":-17.588104,"freq_skew":0.484674,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56039,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[184,8,8,2]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":6,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872806,"usec":449452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965236,"noise_level":-18.477060,"freq_skew":0.379621,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872809,"usec":501984},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.436639,"noise_level":-17.783852,"freq_skew":1.410152,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53548,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[240,51,126,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872810,"usec":263247},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.466586,"noise_level":-17.617210,"freq_skew":1.176652,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,149,112,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872811,"usec":16521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.441973,"noise_level":-17.427830,"freq_skew":1.307374,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872812,"usec":549799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.153463,"noise_level":-17.054832,"freq_skew":-1.646659,"avlc":{"src":{"addr":"4078DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872814,"usec":68540},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887516,"noise_level":-16.974897,"freq_skew":0.234758,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56039,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[223,59,70,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872814,"usec":823911},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610766,"noise_level":-16.907711,"freq_skew":0.927553,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":22,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53571,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[21,168,108,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872815,"usec":591860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738058,"noise_level":-17.993889,"freq_skew":1.163759,"avlc":{"src":{"addr":"407E4E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872815,"usec":596627},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678360,"noise_level":-19.070992,"freq_skew":0.284494,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[15,146,116,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872815,"usec":598578},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544929,"noise_level":-19.620966,"freq_skew":0.446509,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872815,"usec":601547},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781979,"noise_level":-19.579489,"freq_skew":0.374843,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56039,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[53,8,120,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872816,"usec":350967},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177025,"noise_level":-19.497126,"freq_skew":-0.731857,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872816,"usec":357381},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226397,"noise_level":-19.407419,"freq_skew":1.350910,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32884,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[143,80,122,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872816,"usec":361379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.382857,"noise_level":-19.350811,"freq_skew":0.432827,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872817,"usec":102862},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.157460,"noise_level":-19.310602,"freq_skew":1.541212,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32884,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[98,137,89,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872817,"usec":113929},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377563,"noise_level":-19.159481,"freq_skew":1.375393,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40915,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[212,201,155,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872817,"usec":881414},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.243585,"noise_level":-19.889874,"freq_skew":1.458417,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":98,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40915,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[102,31,130,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872818,"usec":638014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.449766,"noise_level":-19.627987,"freq_skew":1.495041,"avlc":{"src":{"addr":"408011","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872819,"usec":395641},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356871,"noise_level":-19.357616,"freq_skew":-0.722570,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872823,"usec":204070},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412768,"noise_level":-18.687740,"freq_skew":2.008088,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53503,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[98,240,236,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872823,"usec":972632},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460114,"noise_level":-18.488407,"freq_skew":1.905057,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53503,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[243,109,187,218]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53503,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,203,69,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":7,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872823,"usec":975706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.847945,"noise_level":-18.579796,"freq_skew":-0.586264,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872824,"usec":741462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447580,"noise_level":-18.772072,"freq_skew":2.115617,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872826,"usec":267750},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145560,"noise_level":-19.108240,"freq_skew":-0.627405,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872827,"usec":29382},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800425,"noise_level":-18.876211,"freq_skew":2.028001,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53503,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[204,121,81,53]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":7,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872828,"usec":544018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775947,"noise_level":-18.926933,"freq_skew":0.859295,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872829,"usec":297111},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870594,"noise_level":-19.454903,"freq_skew":2.021438,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53503,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[188,217,232,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872829,"usec":297111},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.870594,"noise_level":-19.454903,"freq_skew":2.021438,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53503,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[136,166,170,249]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872830,"usec":77157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840028,"noise_level":-19.696775,"freq_skew":1.993134,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872830,"usec":80928},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.549920,"noise_level":-20.102043,"freq_skew":-0.656912,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872831,"usec":589715},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181807,"noise_level":-19.623314,"freq_skew":1.387906,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53415,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[221,98,162,227]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53415,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,214,161,55]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872833,"usec":120892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880113,"noise_level":-19.312868,"freq_skew":1.090572,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872834,"usec":643663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787121,"noise_level":-19.256664,"freq_skew":1.042504,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872834,"usec":648497},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709456,"noise_level":-19.488792,"freq_skew":2.102480,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":53503,"variable_part_params":[{"name":"atn_checksum","value":[215,110,187,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872836,"usec":146643},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.338923,"noise_level":-19.198860,"freq_skew":1.184821,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":53,"dst_ref":53415,"variable_part_params":[{"name":"atn_checksum","value":[47,5,124,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872836,"usec":930024},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542078,"noise_level":-19.003065,"freq_skew":1.846614,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2007,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55985,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[26,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872836,"usec":937806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776845,"noise_level":-19.026329,"freq_skew":1.661311,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2008,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55985,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[172,137]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872839,"usec":208075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763374,"noise_level":-18.528393,"freq_skew":1.959041,"avlc":{"src":{"addr":"4D226B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872840,"usec":740063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.651206,"noise_level":-18.127192,"freq_skew":-0.433294,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872840,"usec":745378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213219,"noise_level":-18.247385,"freq_skew":1.233158,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872842,"usec":261685},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.956168,"noise_level":-17.981731,"freq_skew":-1.239249,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872843,"usec":28657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.808316,"noise_level":-17.784327,"freq_skew":-1.405518,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872849,"usec":872784},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576711,"noise_level":-16.575073,"freq_skew":1.115104,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872849,"usec":872784},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.576711,"noise_level":-16.575073,"freq_skew":1.115104,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872849,"usec":875101},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.657227,"noise_level":-16.746132,"freq_skew":2.108177,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53578,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[197,115,250,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872850,"usec":649542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.478350,"noise_level":-16.639294,"freq_skew":1.762479,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872851,"usec":401266},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253606,"noise_level":-16.951536,"freq_skew":1.959334,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INC","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"EC39WK","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872851,"usec":405888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.947243,"noise_level":-17.900690,"freq_skew":-1.483369,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872852,"usec":181294},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293486,"noise_level":-17.685110,"freq_skew":1.842422,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INC","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"EC39WK","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872855,"usec":962958},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813594,"noise_level":-16.982388,"freq_skew":1.961340,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INC","mode":"2","label":"_d","blk_id":"3","ack":"C","flight":"EC39WK","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872856,"usec":734860},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877074,"noise_level":-16.686775,"freq_skew":2.079121,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INC","mode":"2","label":"_d","blk_id":"4","ack":"D","flight":"EC39WK","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872859,"usec":24192},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.913991,"noise_level":-16.349390,"freq_skew":2.582174,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[148,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872862,"usec":839388},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402134,"noise_level":-16.016806,"freq_skew":0.227142,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[155,141,240,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872863,"usec":590220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322476,"noise_level":-15.972988,"freq_skew":2.832880,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872865,"usec":121932},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566081,"noise_level":-15.645954,"freq_skew":1.539816,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":1.300000},"alt":16000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872865,"usec":886411},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466438,"noise_level":-16.652630,"freq_skew":1.787077,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22154600","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,72,217,128,0,72,217,128,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872866,"usec":632671},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.323254,"noise_level":-17.286182,"freq_skew":1.706104,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"ZD0102","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872866,"usec":636914},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603652,"noise_level":-17.637218,"freq_skew":0.363178,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":978,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872867,"usec":409005},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064531,"noise_level":-17.613085,"freq_skew":2.445958,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[57,116,195,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872867,"usec":416270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857997,"noise_level":-17.760536,"freq_skew":1.571026,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872868,"usec":156275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368927,"noise_level":-17.640553,"freq_skew":2.633207,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872868,"usec":164537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839858,"noise_level":-18.247723,"freq_skew":1.744170,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872869,"usec":689961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.859520,"noise_level":-18.002739,"freq_skew":-1.371265,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872870,"usec":451693},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.843140,"noise_level":-17.889660,"freq_skew":2.492315,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[144,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872875,"usec":16381},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.323517,"noise_level":-16.959564,"freq_skew":2.655744,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[144,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872876,"usec":551673},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978840,"noise_level":-16.793510,"freq_skew":0.625610,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":52.299999,"lon":-1.500000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872876,"usec":551673},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.978840,"noise_level":-16.793510,"freq_skew":0.625610,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSH","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"BA013C","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872876,"usec":551673},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.978840,"noise_level":-16.793510,"freq_skew":0.625610,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20101055","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,130,45,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872877,"usec":307398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796881,"noise_level":-17.899929,"freq_skew":-0.582070,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872878,"usec":73815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012851,"noise_level":-17.744455,"freq_skew":0.516327,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872878,"usec":82207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254522,"noise_level":-18.193115,"freq_skew":2.915064,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR01BL","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872878,"usec":824205},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232105,"noise_level":-18.094906,"freq_skew":2.404620,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127125","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,85,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872878,"usec":826811},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887847,"noise_level":-18.478092,"freq_skew":2.311739,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":248,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872880,"usec":346891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.850000,"noise_level":-18.212467,"freq_skew":2.391097,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872880,"usec":357858},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.260905,"noise_level":-18.555391,"freq_skew":2.504520,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[144,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872887,"usec":202273},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140210,"noise_level":-17.364653,"freq_skew":2.191802,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872887,"usec":204675},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459228,"noise_level":-17.785179,"freq_skew":1.959193,"avlc":{"src":{"addr":"3C1459","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872887,"usec":976972},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830209,"noise_level":-17.625120,"freq_skew":0.876190,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55949,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,48]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872894,"usec":841815},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.647903,"noise_level":-16.540485,"freq_skew":1.300293,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":93,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872900,"usec":179850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176159,"noise_level":-15.709686,"freq_skew":-0.706828,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872900,"usec":188814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.704307,"noise_level":-16.468336,"freq_skew":1.265359,"avlc":{"src":{"addr":"406909","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872901,"usec":687685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985198,"noise_level":-16.336481,"freq_skew":0.634252,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872906,"usec":249454},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864206,"noise_level":-15.970626,"freq_skew":0.459448,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56039,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[128,238,164,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872906,"usec":256852},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051221,"noise_level":-15.899910,"freq_skew":2.679512,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSG","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR952H","msg_num":"M22","msg_num_seq":"A","msg_text":"090824,120000,0933, 72,N 50.973 W .798"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872909,"usec":304476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482508,"noise_level":-15.674183,"freq_skew":2.588739,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872910,"usec":75582},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798535,"noise_level":-16.451698,"freq_skew":1.325932,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872911,"usec":608123},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803746,"noise_level":-17.850803,"freq_skew":2.645688,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EGSH"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":-0.700000},"alt":119000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872911,"usec":609104},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.401144,"noise_level":-17.844027,"freq_skew":2.572998,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[99,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872912,"usec":346665},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746857,"noise_level":-17.749664,"freq_skew":2.759749,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR952H","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872913,"usec":114553},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879096,"noise_level":-17.649689,"freq_skew":2.581372,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127663","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,179,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872913,"usec":886722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933268,"noise_level":-17.375729,"freq_skew":2.786754,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872914,"usec":634403},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819791,"noise_level":-17.330484,"freq_skew":-0.748548,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872915,"usec":403719},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844635,"noise_level":-18.157053,"freq_skew":-0.771220,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23220376","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,77,84,0,77,32,254,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872915,"usec":404209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.062626,"noise_level":-18.366795,"freq_skew":2.472031,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872915,"usec":405308},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937919,"noise_level":-18.359600,"freq_skew":2.488590,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872916,"usec":164764},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403894,"noise_level":-19.111130,"freq_skew":-0.645061,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HVJZ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872916,"usec":931023},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848786,"noise_level":-18.848541,"freq_skew":2.454337,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"5","ack":"H","flight":"XA23DQ","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872917,"usec":701961},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817564,"noise_level":-19.696840,"freq_skew":-0.943780,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872918,"usec":452549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083746,"noise_level":-19.825397,"freq_skew":-0.519453,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872918,"usec":454098},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652647,"noise_level":-20.226782,"freq_skew":-0.917377,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872919,"usec":217456},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789013,"noise_level":-20.085287,"freq_skew":2.691453,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"6","ack":"I","flight":"XA23DQ","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872923,"usec":800922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871531,"noise_level":-19.429085,"freq_skew":-0.932149,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872925,"usec":309374},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671939,"noise_level":-19.141106,"freq_skew":2.573399,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872929,"usec":108818},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110834,"noise_level":-18.653137,"freq_skew":-0.516759,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"DY033B","msg_num":"L09","msg_num_seq":"A","msg_text":"/ENGM.TI2/024ENGMAFD47"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872929,"usec":893290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.236654,"noise_level":-18.483717,"freq_skew":0.615387,"avlc":{"src":{"addr":"3C666F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872929,"usec":893817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.792911,"noise_level":-18.476425,"freq_skew":-1.409013,"avlc":{"src":{"addr":"484165","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872931,"usec":406198},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767948,"noise_level":-18.028969,"freq_skew":2.540203,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"XA23DQ","msg_num":"A06","msg_num_seq":"A","sublabel":"M1","mfi":"BA","msg_text":"SOUCAYA.AT1..N23DQ6186922C032E0C","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":"..N23DQ","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"hour":9,"min":8,"sec":44}},"atc_downlink_msg_element_id":{"choice_label":"ROGER","choice":"dM3NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872933,"usec":671912},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738173,"noise_level":-17.743956,"freq_skew":-0.515860,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"DY033B","msg_num":"L09","msg_num_seq":"A","msg_text":"/ENGM.TI2/024ENGMAFD47"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872933,"usec":675355},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022004,"noise_level":-17.954638,"freq_skew":-0.465957,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"DY033B","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872934,"usec":453199},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765985,"noise_level":-17.827969,"freq_skew":-0.752850,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-ENL","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"DY033B","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872934,"usec":456377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754972,"noise_level":-17.794212,"freq_skew":2.565025,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872935,"usec":209604},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580278,"noise_level":-18.455046,"freq_skew":2.346127,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872935,"usec":988061},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809032,"noise_level":-18.325735,"freq_skew":-0.530742,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872936,"usec":740762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769335,"noise_level":-18.071613,"freq_skew":-0.683131,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872940,"usec":541385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508789,"noise_level":-17.331839,"freq_skew":1.540096,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872943,"usec":614419},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835977,"noise_level":-17.663292,"freq_skew":-0.532884,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":177,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872945,"usec":121841},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.908866,"noise_level":-17.305708,"freq_skew":2.610796,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[140,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872945,"usec":886399},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128548,"noise_level":-17.191807,"freq_skew":2.419054,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55804,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[166,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":9,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872946,"usec":641663},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865473,"noise_level":-17.097750,"freq_skew":2.484756,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872947,"usec":401060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.042141,"noise_level":-16.919249,"freq_skew":2.456974,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872948,"usec":926322},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.386630,"noise_level":-16.631634,"freq_skew":0.379061,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":321,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872949,"usec":693949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575776,"noise_level":-16.399019,"freq_skew":0.199359,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872949,"usec":694354},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123624,"noise_level":-16.694567,"freq_skew":1.361278,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[110,82,182,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872955,"usec":19980},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.165112,"noise_level":-16.118137,"freq_skew":2.429072,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2803,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55804,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[185,96]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":9,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872955,"usec":20637},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925708,"noise_level":-16.112583,"freq_skew":2.452862,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":123,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872956,"usec":543806},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756698,"noise_level":-16.163618,"freq_skew":2.395810,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[129,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872958,"usec":62053},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484416,"noise_level":-15.856376,"freq_skew":2.379851,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872958,"usec":69824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982203,"noise_level":-16.796625,"freq_skew":2.524701,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872958,"usec":841467},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151110,"noise_level":-16.665466,"freq_skew":2.522392,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124324","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,212,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872959,"usec":586234},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865439,"noise_level":-16.594751,"freq_skew":2.487506,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENI","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR8428","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872960,"usec":367451},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.476307,"noise_level":-16.443485,"freq_skew":-1.615013,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"B1","blk_id":"5","ack":"!","flight":"OR0367","msg_num":"L91","msg_num_seq":"A","msg_text":"/EGGX.OC1/RCL 030\r\nTFL367-BEDRA/1033 M085F380C0B9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872961,"usec":886397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024285,"noise_level":-16.469154,"freq_skew":-1.302701,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872964,"usec":153830},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305256,"noise_level":-16.034784,"freq_skew":-1.301062,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"6","ack":"Q","flight":"OR0367","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872966,"usec":447696},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019561,"noise_level":-15.751220,"freq_skew":2.301148,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":300,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872967,"usec":982602},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912720,"noise_level":-15.674993,"freq_skew":2.266098,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53526,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[94,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872968,"usec":739603},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957044,"noise_level":-16.307079,"freq_skew":2.294094,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872970,"usec":251247},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764051,"noise_level":-16.869511,"freq_skew":2.372597,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XA23DQ","msg_num":"A07","msg_num_seq":"A","sublabel":"M1","mfi":"BA","msg_text":"SOUCAYA.AT1..N23DQ6288925B03F34A","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":"..N23DQ","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":5,"msg_ref":4,"timestamp":{"hour":9,"min":9,"sec":27}},"atc_downlink_msg_element_id":{"choice_label":"ROGER","choice":"dM3NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872971,"usec":27014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.794985,"noise_level":-17.475695,"freq_skew":2.194952,"avlc":{"src":{"addr":"4402B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872972,"usec":545551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530305,"noise_level":-17.144335,"freq_skew":2.617437,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872975,"usec":597223},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717651,"noise_level":-17.256487,"freq_skew":2.639834,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":128,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872976,"usec":355166},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556179,"noise_level":-17.043774,"freq_skew":1.494479,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.200000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872980,"usec":170594},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701659,"noise_level":-17.666349,"freq_skew":2.448584,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[142,65,245,71]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[187,28,249,221]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":9,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872980,"usec":931127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828171,"noise_level":-17.593620,"freq_skew":2.561554,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872981,"usec":689966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964336,"noise_level":-17.398306,"freq_skew":2.655013,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872982,"usec":443660},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658518,"noise_level":-17.585522,"freq_skew":-0.798079,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":233,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":495,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872982,"usec":447182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116290,"noise_level":-18.291113,"freq_skew":0.232590,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":322,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[15,146,116,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872983,"usec":978118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865602,"noise_level":-17.900484,"freq_skew":0.239812,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872984,"usec":739608},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364517,"noise_level":-17.724926,"freq_skew":1.594447,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.200000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872985,"usec":492812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892100,"noise_level":-18.784296,"freq_skew":0.382986,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872985,"usec":494218},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512064,"noise_level":-18.769205,"freq_skew":1.713156,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"BA0891","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872985,"usec":494218},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.512064,"noise_level":-18.769205,"freq_skew":1.713156,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100343","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,128,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872986,"usec":253713},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720006,"noise_level":-19.518257,"freq_skew":1.472401,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872986,"usec":259386},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007520,"noise_level":-20.311226,"freq_skew":0.282072,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872987,"usec":14602},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572682,"noise_level":-20.124195,"freq_skew":2.722055,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[251,43,227,163]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":9,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872987,"usec":14977},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714455,"noise_level":-20.124195,"freq_skew":-0.972661,"avlc":{"src":{"addr":"4BD152","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":233,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":495,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872987,"usec":23489},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930953,"noise_level":-21.287720,"freq_skew":2.413787,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872987,"usec":787269},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853906,"noise_level":-22.131096,"freq_skew":0.737265,"avlc":{"src":{"addr":"48C2A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55949,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,48]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872987,"usec":794299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737505,"noise_level":-21.987963,"freq_skew":2.445884,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872988,"usec":541109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310254,"noise_level":-21.836414,"freq_skew":1.445996,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872988,"usec":542616},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513765,"noise_level":-21.814978,"freq_skew":2.469458,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,224,240,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872989,"usec":291327},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.560420,"noise_level":-22.391970,"freq_skew":-1.438712,"avlc":{"src":{"addr":"484165","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779872996,"usec":932684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114189,"noise_level":-19.808571,"freq_skew":0.465715,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873000,"usec":730744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910898,"noise_level":-18.783884,"freq_skew":-0.394168,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873003,"usec":22493},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850277,"noise_level":-18.164640,"freq_skew":2.627959,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":53.700001,"lon":3.600000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873004,"usec":543421},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.434193,"noise_level":-17.853848,"freq_skew":1.479832,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873005,"usec":299658},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.676514,"noise_level":-17.659292,"freq_skew":1.272682,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55931,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[86,16,176,83]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":10,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873005,"usec":304587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460835,"noise_level":-17.606380,"freq_skew":-0.632639,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873006,"usec":824055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670140,"noise_level":-18.466105,"freq_skew":1.579081,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873007,"usec":581536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.730500,"noise_level":-18.243309,"freq_skew":1.318610,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873008,"usec":367442},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892566,"noise_level":-17.988302,"freq_skew":0.275620,"avlc":{"src":{"addr":"4078B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":277,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56039,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[128,238,164,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873009,"usec":134599},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.222382,"noise_level":-17.858364,"freq_skew":1.227419,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":222,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55931,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,222,213,161]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":10,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873013,"usec":680963},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181149,"noise_level":-16.877350,"freq_skew":2.403322,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":53.700001,"lon":3.600000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873014,"usec":455644},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885783,"noise_level":-16.815571,"freq_skew":-0.659932,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873015,"usec":967394},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086513,"noise_level":-17.390842,"freq_skew":2.606625,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17073357","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,118,239,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873018,"usec":273175},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564104,"noise_level":-17.763121,"freq_skew":-0.634953,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873019,"usec":26311},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.977377,"noise_level":-17.649727,"freq_skew":1.385476,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55931,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,20,214,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":10,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873019,"usec":774958},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.213724,"noise_level":-17.511665,"freq_skew":1.472389,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873020,"usec":554473},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.309038,"noise_level":-17.430519,"freq_skew":1.481207,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[20,164,53,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873026,"usec":648065},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836677,"noise_level":-16.152920,"freq_skew":-0.783209,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..2HWDN","mode":"2","label":"20","blk_id":"5","ack":"!","flight":"ZD0000","msg_num":"M33","msg_num_seq":"A","msg_text":"POSN51437E003198,,091024,370,DODEN....,093420,,N55,26222,,483"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873027,"usec":410583},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581552,"noise_level":-16.009096,"freq_skew":2.056504,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":1.000000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873028,"usec":171825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723485,"noise_level":-17.268097,"freq_skew":-0.898161,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873031,"usec":967021},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.475345,"noise_level":-16.482315,"freq_skew":2.323373,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMWO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"ZQ1174","msg_num":"M76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873033,"usec":514836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239840,"noise_level":-16.623707,"freq_skew":2.289598,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873035,"usec":788364},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483336,"noise_level":-16.238241,"freq_skew":1.858933,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":1.000000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873036,"usec":545313},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481540,"noise_level":-17.785227,"freq_skew":1.851807,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH04UT","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873036,"usec":545313},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.481540,"noise_level":-17.785227,"freq_skew":1.851807,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062521","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,72,88,0,60,101,81,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873036,"usec":551397},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565087,"noise_level":-18.796154,"freq_skew":1.597090,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYE","mode":"2","label":"15","blk_id":"6","ack":"!","flight":"BA007S","msg_num":"M18","msg_num_seq":"A","msg_text":"FST01EGPFEGLLN52247W0014439205 33 25 4249 372 09300910"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873037,"usec":309606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777569,"noise_level":-18.728361,"freq_skew":2.490338,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873037,"usec":315534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578089,"noise_level":-18.653652,"freq_skew":1.897733,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873038,"usec":67250},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586569,"noise_level":-19.782330,"freq_skew":0.672142,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSH","mode":"2","label":"15","blk_id":"6","ack":"!","flight":"BA013C","msg_num":"M99","msg_num_seq":"A","msg_text":"FST01EGNTEGLLN52187W0012176177 27 17 5252 380 09270910"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873038,"usec":73845},"freq":136975000,"burst_len_octets":214,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.000350,"noise_level":-20.245438,"freq_skew":1.367469,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"...0110","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"ZD0102","msg_num":"D02","msg_num_seq":"A","sublabel":"DF","msg_text":"CRZ 0110 1841783--- --- 270507392224 -23.3-50.8 339980.7861310000\r\n1023SCR2A85 04 38183 38186 85.6 85.6 91.4 91.2601593 2625 2578 61.1 \r\n 61.146471031030.090.160.28"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873038,"usec":821257},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386599,"noise_level":-20.130053,"freq_skew":1.689735,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPD","mode":"2","label":"15","blk_id":"6","ack":"!","flight":"BA0743","msg_num":"M07","msg_num_seq":"A","msg_text":"FST01LSGGEGLLN50941E0006914181 31 28 18245 374 09300910"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873038,"usec":823882},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806892,"noise_level":-20.094854,"freq_skew":1.650928,"avlc":{"src":{"addr":"406091","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873039,"usec":594756},"freq":136975000,"burst_len_octets":144,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032164,"noise_level":-20.253002,"freq_skew":1.480191,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"ZD0102","msg_num":"D02","msg_num_seq":"B","sublabel":"DF","msg_text":"CRZ 0110 1841783--- --- 270507392224 -23.3-50.8 339980.7861310000\r\n1023SCR2A85 04 38183 38186 85.6 85.6 91.4 91.2601593 2625 2578 61.1 \r\n 61.146471031030.090.160.280.29166 10.060.070.020.03174 82110LO LO 0\r\n001100272.9391.1N52.2000E 17.2719273 0134800 -4.0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873039,"usec":607596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493508,"noise_level":-20.127071,"freq_skew":0.537994,"avlc":{"src":{"addr":"40822D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873041,"usec":119590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983364,"noise_level":-19.840973,"freq_skew":1.277202,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873043,"usec":407244},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.087522,"noise_level":-19.169445,"freq_skew":1.278728,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55931,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[149,149,20,40]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":10,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873043,"usec":409802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074528,"noise_level":-19.137926,"freq_skew":1.865813,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873043,"usec":411104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.197459,"noise_level":-20.279291,"freq_skew":1.760787,"avlc":{"src":{"addr":"400804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873044,"usec":159642},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.587512,"noise_level":-20.101721,"freq_skew":1.170098,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873044,"usec":921985},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395005,"noise_level":-19.893320,"freq_skew":0.197796,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873044,"usec":926026},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.959165,"noise_level":-19.833467,"freq_skew":1.162753,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[105,113,103,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873048,"usec":733128},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.749725,"noise_level":-18.760702,"freq_skew":1.354733,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55931,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[105,113,103,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873055,"usec":607115},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407928,"noise_level":-17.081385,"freq_skew":1.882122,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":3.000000},"alt":106000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873056,"usec":344809},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161364,"noise_level":-18.278563,"freq_skew":-0.607429,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873056,"usec":346712},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955493,"noise_level":-18.264324,"freq_skew":2.619933,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[98,218]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873057,"usec":124070},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418744,"noise_level":-18.705845,"freq_skew":1.788887,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873057,"usec":891335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570033,"noise_level":-19.169701,"freq_skew":1.763990,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCV","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR07FE","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873057,"usec":906201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981678,"noise_level":-20.024549,"freq_skew":1.962811,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873060,"usec":164404},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911237,"noise_level":-20.514572,"freq_skew":-0.650675,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":61983,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[129,131,153,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873060,"usec":918634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850983,"noise_level":-20.260279,"freq_skew":-0.540745,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873063,"usec":222011},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903616,"noise_level":-19.424669,"freq_skew":2.152231,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":156,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873064,"usec":742993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299032,"noise_level":-19.152576,"freq_skew":-0.498945,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873067,"usec":18192},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688993,"noise_level":-18.522099,"freq_skew":2.321896,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":53.500000,"lon":3.500000},"alt":24000}},{"name":"alternate_ground_stations","value":["10956A","10983A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873067,"usec":22638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489241,"noise_level":-18.470959,"freq_skew":1.794403,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873068,"usec":543567},"freq":136975000,"burst_len_octets":214,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789676,"noise_level":-19.283222,"freq_skew":1.362858,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"...0110","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"ZD0102","msg_num":"D03","msg_num_seq":"A","sublabel":"DF","msg_text":" 01100527260739031310273-51-2337863399601593 0022900299\r\n26252578 0855908559 09140912 0000 0102 0\r\n0\r\n611611 103103 4647 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873068,"usec":546009},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636280,"noise_level":-19.849108,"freq_skew":2.390918,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["10988A","10949A","1094EA","10901A","109FCA","10980A","10919A","1097AA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873069,"usec":314277},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862478,"noise_level":-19.563614,"freq_skew":2.524797,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124324","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,212,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873069,"usec":314526},"freq":136975000,"burst_len_octets":214,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842791,"noise_level":-19.563614,"freq_skew":1.228981,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":"...0110","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"ZD0102","msg_num":"D03","msg_num_seq":"B","sublabel":"DF","msg_text":" 11 11 100000000000 00000000\r\n00000000 00000000 00000000 000000\r\n0000000000 0000000000 0190201901\r\n001001 003003"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873070,"usec":61806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658401,"noise_level":-19.481400,"freq_skew":2.649136,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENI","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR8428","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873070,"usec":836785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.435677,"noise_level":-19.499172,"freq_skew":2.492909,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873070,"usec":837560},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692173,"noise_level":-19.490976,"freq_skew":1.666983,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":284,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873070,"usec":841490},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443710,"noise_level":-20.741333,"freq_skew":1.211976,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"ZD0102","msg_num":"D03","msg_num_seq":"C","sublabel":"DF","msg_text":" 01100527260739031310273-51-2337863399601593 0022900299\r\n26252578 0855908559 09140912 0000 0102 0\r\n0\r\n611611 103103 4647 11 11 100000000000 00000000\r\n00000000 00000000 00000000 000000\r\n0000000000 0000000000 0190201901\r\n001001 003003 166001 174082\r\n00000000 00000000\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873072,"usec":356108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306437,"noise_level":-20.407284,"freq_skew":2.377957,"avlc":{"src":{"addr":"4CA8D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873072,"usec":363615},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385235,"noise_level":-21.626749,"freq_skew":1.939127,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH04UT","msg_num":"M53","msg_num_seq":"A","msg_text":"00033234241NA2D5WCW 5VVU*:,1UC)QP"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873073,"usec":109466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671862,"noise_level":-22.008772,"freq_skew":1.256454,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873074,"usec":644411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748132,"noise_level":-22.050690,"freq_skew":1.662945,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873075,"usec":397024},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591151,"noise_level":-23.019674,"freq_skew":1.428705,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":943,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53534,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[71,175,213,179]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53534,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[58,186,48,92]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873075,"usec":407110},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751583,"noise_level":-23.555994,"freq_skew":1.551310,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":78,"dst_ref":53534,"variable_part_params":[{"name":"atn_checksum","value":[27,110,87,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873076,"usec":924052},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.308306,"noise_level":-23.349785,"freq_skew":2.557767,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[99,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873077,"usec":685235},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593307,"noise_level":-22.962566,"freq_skew":1.612842,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":1.900000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873077,"usec":685235},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.593307,"noise_level":-22.962566,"freq_skew":1.612842,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA0891","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873077,"usec":685235},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.593307,"noise_level":-22.962566,"freq_skew":1.612842,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100343","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,128,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873078,"usec":451586},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758646,"noise_level":-22.686033,"freq_skew":2.151046,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":53.500000,"lon":3.500000},"alt":24000}},{"name":"alternate_ground_stations","value":["10956A","10983A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873078,"usec":459585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552761,"noise_level":-22.521923,"freq_skew":1.382738,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873079,"usec":968512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656710,"noise_level":-22.135813,"freq_skew":2.200796,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMWO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"ZQ1174","msg_num":"M77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873079,"usec":969278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462385,"noise_level":-22.113628,"freq_skew":1.601640,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873079,"usec":975547},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793540,"noise_level":-22.014484,"freq_skew":2.216518,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17073357","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,118,239,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873080,"usec":738048},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355779,"noise_level":-21.734266,"freq_skew":1.883695,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873080,"usec":738048},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.355779,"noise_level":-21.734266,"freq_skew":1.883695,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873081,"usec":494214},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798284,"noise_level":-22.782501,"freq_skew":2.484032,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[99,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873082,"usec":248129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370209,"noise_level":-22.604843,"freq_skew":2.316803,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873083,"usec":32214},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.683243,"noise_level":-22.081633,"freq_skew":1.328517,"avlc":{"src":{"addr":"4D248E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":228,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873083,"usec":33585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940054,"noise_level":-22.059584,"freq_skew":2.401404,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873083,"usec":783775},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960683,"noise_level":-21.831390,"freq_skew":1.720700,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"_d","blk_id":"7","ack":"I","flight":"LH04UT","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873084,"usec":532656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572459,"noise_level":-22.954302,"freq_skew":-1.540819,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873085,"usec":306386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816229,"noise_level":-23.551313,"freq_skew":2.200317,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873086,"usec":827856},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744893,"noise_level":-23.005375,"freq_skew":1.704756,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"_d","blk_id":"7","ack":"I","flight":"LH04UT","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873088,"usec":350920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824957,"noise_level":-23.539082,"freq_skew":2.314497,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873088,"usec":359476},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517413,"noise_level":-23.345432,"freq_skew":-1.707192,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873088,"usec":359476},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.517413,"noise_level":-23.345432,"freq_skew":-1.707192,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873089,"usec":882065},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536510,"noise_level":-23.688461,"freq_skew":1.435063,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"ZD0102","msg_num":"M15","msg_num_seq":"A","msg_text":"091128,14486,0939, 243,N 52.180 E .803"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873093,"usec":691987},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557912,"noise_level":-22.213957,"freq_skew":-1.471847,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HVJZ","mode":"2","label":"83","blk_id":"1","ack":"!","flight":"XA0001","msg_num":"M16","msg_num_seq":"A","msg_text":"001PR27091132N5134.4E00050.02144090032"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873093,"usec":693477},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871097,"noise_level":-22.191570,"freq_skew":1.551480,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"ZD0102","msg_num":"M15","msg_num_seq":"A","msg_text":"091128,14486,0939, 243,N 52.180 E .803"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873095,"usec":215235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824689,"noise_level":-21.681440,"freq_skew":1.204600,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873095,"usec":974977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693876,"noise_level":-21.483429,"freq_skew":-1.581774,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873096,"usec":739340},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574076,"noise_level":-22.058342,"freq_skew":-1.039290,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"83","blk_id":"6","ack":"!","flight":"XA0001","msg_num":"M02","msg_num_seq":"A","msg_text":"001PR27091134N5202.1E00203.1312398 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873096,"usec":741892},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.790281,"noise_level":-22.326111,"freq_skew":2.347576,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[125,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873097,"usec":496388},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481486,"noise_level":-22.179756,"freq_skew":2.586370,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55804,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[69,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":11,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873098,"usec":281184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623067,"noise_level":-21.723099,"freq_skew":-0.977891,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873099,"usec":14548},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974605,"noise_level":-22.429688,"freq_skew":1.794508,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2107,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873101,"usec":313041},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507984,"noise_level":-21.608078,"freq_skew":-0.920426,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"XA0001","msg_num":"L00","msg_num_seq":"A","msg_text":"/EDDP.TI2/024EDDPAB993"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873102,"usec":81414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513989,"noise_level":-21.254910,"freq_skew":-1.104620,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873104,"usec":349138},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793116,"noise_level":-20.691488,"freq_skew":1.362953,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":945,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873105,"usec":119377},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.410020,"noise_level":-21.272778,"freq_skew":1.792895,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53463,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[155,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873106,"usec":631078},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521522,"noise_level":-20.976196,"freq_skew":-0.704314,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873106,"usec":632743},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777302,"noise_level":-21.710348,"freq_skew":-0.444378,"avlc":{"src":{"addr":"47A518","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":180,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26552,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[177,129,138,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873106,"usec":639451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848846,"noise_level":-21.584349,"freq_skew":1.816188,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873108,"usec":171134},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573312,"noise_level":-20.990124,"freq_skew":2.243644,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[2,224,240,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873109,"usec":676132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818669,"noise_level":-20.646555,"freq_skew":2.533403,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873109,"usec":687497},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.492742,"noise_level":-20.461397,"freq_skew":2.395724,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55804,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[18,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":11,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873111,"usec":205746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286902,"noise_level":-20.155413,"freq_skew":1.361922,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873111,"usec":210535},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.659589,"noise_level":-20.084957,"freq_skew":2.362681,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2810,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55804,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[121,114]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873112,"usec":741459},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564610,"noise_level":-19.590557,"freq_skew":2.388075,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2813,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53579,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[70,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":11,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873113,"usec":509082},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006658,"noise_level":-19.385836,"freq_skew":2.409275,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2814,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3,"dst_ref":55804,"variable_part_params":[{"name":"checksum","value":[106,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873114,"usec":258032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.407227,"noise_level":-19.273266,"freq_skew":2.592985,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873114,"usec":266265},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.543045,"noise_level":-19.501936,"freq_skew":2.438311,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2815,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[88,89]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873118,"usec":77981},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754801,"noise_level":-18.547504,"freq_skew":-1.023239,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"XA0001","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873122,"usec":642258},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.395792,"noise_level":-17.483727,"freq_skew":2.300717,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2816,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[84,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873129,"usec":488719},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733482,"noise_level":-16.390844,"freq_skew":1.124242,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1951,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873130,"usec":267234},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.229318,"noise_level":-16.158928,"freq_skew":1.530360,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":168,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873132,"usec":561331},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760884,"noise_level":-16.731268,"freq_skew":-1.110585,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"_d","blk_id":"9","ack":"L","flight":"XA0001","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873137,"usec":121414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201133,"noise_level":-16.125048,"freq_skew":1.302623,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873144,"usec":723515},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782514,"noise_level":-15.832872,"freq_skew":-1.620084,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873147,"usec":785592},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108476,"noise_level":-15.999270,"freq_skew":-1.650397,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"OR0367","msg_num":"M08","msg_num_seq":"A","msg_text":"FS EINN,CYHZ,TXKF,TJSJ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873149,"usec":307097},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.445428,"noise_level":-16.283100,"freq_skew":-1.341254,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"OR0367","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873152,"usec":348697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.764077,"noise_level":-16.490042,"freq_skew":1.863154,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873153,"usec":881297},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.566019,"noise_level":-16.558064,"freq_skew":-1.483702,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"OR0367","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873160,"usec":725000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305885,"noise_level":-15.728891,"freq_skew":2.512361,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873165,"usec":303127},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645852,"noise_level":-15.388739,"freq_skew":1.223315,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEA","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"FR70CB","msg_num":"M45","msg_num_seq":"A","msg_text":"/EBCI.TI2/024EBCIAA271"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873169,"usec":877976},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017795,"noise_level":-15.410961,"freq_skew":2.269601,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[87,173,35,225]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[128,21,195,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":12,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873170,"usec":637463},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842188,"noise_level":-16.350943,"freq_skew":1.193513,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEA","mode":"2","label":"_d","blk_id":"1","ack":"H","flight":"FR70CB","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873172,"usec":926746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987220,"noise_level":-15.919830,"freq_skew":2.148798,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873173,"usec":690570},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.566836,"noise_level":-15.940166,"freq_skew":-1.450787,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"5","ack":"B","flight":"OR0367","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873175,"usec":980483},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448337,"noise_level":-15.696396,"freq_skew":3.871605,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.700001,"lon":2.500000},"alt":121000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873177,"usec":489230},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790049,"noise_level":-15.618439,"freq_skew":2.156668,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[112,34,38,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":12,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873177,"usec":500606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749174,"noise_level":-15.876980,"freq_skew":1.991220,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873179,"usec":19318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158600,"noise_level":-16.828018,"freq_skew":2.160200,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873179,"usec":26533},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454313,"noise_level":-17.492887,"freq_skew":2.200607,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[172,122,85,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873182,"usec":64702},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.320162,"noise_level":-16.963150,"freq_skew":1.333830,"avlc":{"src":{"addr":"3C1459","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873182,"usec":835814},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599630,"noise_level":-17.366484,"freq_skew":2.177565,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[172,122,85,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873185,"usec":108197},"freq":136975000,"burst_len_octets":121,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928466,"noise_level":-17.476124,"freq_skew":1.502016,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"XQ03BN","msg_num":"M48","msg_num_seq":"A","msg_text":" 01 WXRQ SXS3BN / LTBJ/EGCC .TC-SOV\r\n/TYP 1/STA EGBB/STA EGSS/STA EGGW"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873185,"usec":115685},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451645,"noise_level":-17.392088,"freq_skew":3.896782,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.700001,"lon":2.500000},"alt":121000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873186,"usec":641652},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029651,"noise_level":-17.163527,"freq_skew":1.846944,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"XQ03BN","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873187,"usec":409957},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061841,"noise_level":-16.971418,"freq_skew":1.671883,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"XQ03BN","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873189,"usec":689911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.979970,"noise_level":-16.430851,"freq_skew":1.139663,"avlc":{"src":{"addr":"3C1459","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873194,"usec":249006},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640971,"noise_level":-16.193277,"freq_skew":1.951740,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53608,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[171,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873195,"usec":784266},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387889,"noise_level":-16.403913,"freq_skew":3.695295,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.700001,"lon":2.500000},"alt":121000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873196,"usec":550492},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471793,"noise_level":-16.366238,"freq_skew":3.776935,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124023","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,19,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873196,"usec":558030},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988363,"noise_level":-16.425716,"freq_skew":-1.671773,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":262,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873197,"usec":304332},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644661,"noise_level":-16.414213,"freq_skew":3.770805,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKT","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR08DU","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873198,"usec":69345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828941,"noise_level":-17.016241,"freq_skew":3.919348,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873198,"usec":858445},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427195,"noise_level":-17.982492,"freq_skew":2.051524,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53608,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[122,102]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873201,"usec":117766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976578,"noise_level":-17.592031,"freq_skew":4.013872,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873204,"usec":916955},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120343,"noise_level":-17.443157,"freq_skew":-1.710168,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873205,"usec":688059},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419171,"noise_level":-17.820269,"freq_skew":3.735276,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53515,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[145,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873205,"usec":696209},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759828,"noise_level":-18.734955,"freq_skew":3.866873,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53515,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,42]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":13,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873207,"usec":211920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738779,"noise_level":-19.527103,"freq_skew":3.885545,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873207,"usec":220808},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.805977,"noise_level":-19.412701,"freq_skew":-1.607939,"avlc":{"src":{"addr":"AE0237","type":"Aircraft","status":"On ground"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873211,"usec":31720},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168820,"noise_level":-18.511311,"freq_skew":1.579989,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873211,"usec":786162},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408717,"noise_level":-19.071257,"freq_skew":3.689245,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53515,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[237,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":13,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873211,"usec":790716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496585,"noise_level":-19.009037,"freq_skew":0.147166,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873213,"usec":310841},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467773,"noise_level":-18.696981,"freq_skew":3.653108,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53515,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873213,"usec":317655},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168087,"noise_level":-18.607729,"freq_skew":1.603571,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGCC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873213,"usec":319249},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906841,"noise_level":-18.592943,"freq_skew":1.873167,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746766","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,246,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873213,"usec":319249},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.906841,"noise_level":-18.592943,"freq_skew":1.873167,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOV","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XQ03BN","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873214,"usec":838088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537091,"noise_level":-19.159628,"freq_skew":1.849636,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873215,"usec":601727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110707,"noise_level":-18.980139,"freq_skew":1.867445,"avlc":{"src":{"addr":"4BCDF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873219,"usec":401609},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505770,"noise_level":-18.611372,"freq_skew":3.978905,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":2.400000},"alt":115000}},{"name":"alternate_ground_stations","value":["10980A","10919A","109C7A","10931A","109D3A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873225,"usec":490804},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198007,"noise_level":-17.237967,"freq_skew":0.171539,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873226,"usec":259517},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390044,"noise_level":-17.415541,"freq_skew":0.138296,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":16,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":18,"dst_ref":53643,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[188,57]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873226,"usec":267225},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528386,"noise_level":-17.871925,"freq_skew":1.045952,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":-0.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873227,"usec":19851},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719632,"noise_level":-17.987659,"freq_skew":1.091929,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZTC","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"U228NB","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873227,"usec":19851},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.719632,"noise_level":-17.987659,"freq_skew":1.091929,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20057423","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,95,19,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873227,"usec":21155},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481560,"noise_level":-18.984219,"freq_skew":0.231068,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":17,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53643,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[175,15]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":13,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873227,"usec":800984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415334,"noise_level":-18.732887,"freq_skew":1.052770,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873228,"usec":553878},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.552653,"noise_level":-19.766718,"freq_skew":0.440391,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873229,"usec":298514},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436985,"noise_level":-19.624146,"freq_skew":3.739522,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":2.400000},"alt":115000}},{"name":"alternate_ground_stations","value":["10980A","10919A","109C7A","10931A","109D3A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873229,"usec":304641},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489117,"noise_level":-20.494406,"freq_skew":0.106173,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[23,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873230,"usec":81091},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365911,"noise_level":-20.321442,"freq_skew":3.928492,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124023","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,19,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873230,"usec":828455},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.055908,"noise_level":-20.178410,"freq_skew":3.985743,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKT","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR08DU","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873231,"usec":596612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.836380,"noise_level":-19.969221,"freq_skew":-1.367323,"avlc":{"src":{"addr":"484165","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873233,"usec":114285},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052273,"noise_level":-19.671448,"freq_skew":4.007709,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873233,"usec":119281},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866607,"noise_level":-20.448294,"freq_skew":0.294810,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"A","sublabel":"DF","msg_text":"B31ATC-SMV 2466DN EGBBLTBSCL2705090418123154602179602184BCG3A-L200-0002 4925 1470248826710408 245 150 67077 4562 245 15004080220 853410 8022 8028 8021 867710340 836812463835 00 7145492 24506592 21"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873233,"usec":897384},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084373,"noise_level":-20.455532,"freq_skew":3.652234,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873236,"usec":166563},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565004,"noise_level":-20.505037,"freq_skew":0.926672,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":210,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873236,"usec":919837},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666739,"noise_level":-20.206430,"freq_skew":0.111228,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"A","sublabel":"DF","msg_text":"B31ATC-SMV 2466DN EGBBLTBSCL2705090418123154602179602184BCG3A-L200-0002 4925 1470248826710408 245 150 67077 4562 245 15004080220 853410 8022 8028 8021 867710340 836812463835 00 7145492 24506592 21"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873239,"usec":212110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419800,"noise_level":-20.092319,"freq_skew":0.961874,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873239,"usec":982423},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767662,"noise_level":-20.764217,"freq_skew":0.297252,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"B","sublabel":"DF","msg_text":"4 740 -044 2743 2982047012 61013250018 7989 7861 9408 260 2365 532 051 022 047 026 023 02370710 8022 8028 8022 867710344 834712463833 00 7135455 24506592 220 742 -013 2787 2962015011283005193008 7977 7848"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873240,"usec":736983},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656256,"noise_level":-21.641090,"freq_skew":0.405763,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[185,44,216,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873240,"usec":738166},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967500,"noise_level":-22.416519,"freq_skew":0.200535,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[109,195,4,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":13,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873242,"usec":248216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892549,"noise_level":-22.354961,"freq_skew":0.412522,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873242,"usec":254640},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828455,"noise_level":-22.972898,"freq_skew":0.255414,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"C","sublabel":"DF","msg_text":" 9412 258 2357 550 015 019 004 013 011 012701 9187 145 3504470220 8797PRI 90845370 149 3910250029310445 80 -01 10 10 12 465 472 8407 8410 8393 878810394 8475 870 69168 5218 799 79910503744 00"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873243,"usec":24741},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683917,"noise_level":-22.578369,"freq_skew":0.364339,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"D","sublabel":"DF","msg_text":" 6775543 15006771 224 643 -040-1300 1736 1738 2574 2569047017 78018251017 8357 9108 8360 9501 1703475 00 8508 8279 8403 8445 2343 5212 03 8665 8534 8544 8461 526 0 0 6431000 055 033 049 025 034 022696PRI "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873246,"usec":60474},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699266,"noise_level":-21.746487,"freq_skew":0.290545,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"E","sublabel":"DF","msg_text":" 9084 5370 149 3910250029310445 80 -01 10 10 12 465 472 8413 8410 8391 878810396 8440 870 65175 5214 799 79910503738 00 6785505 15006771 225 648 -013-1300 1779 1767 2584 2579019021258008 11008 8346"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873247,"usec":590501},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791300,"noise_level":-21.181162,"freq_skew":0.350080,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"F","sublabel":"DF","msg_text":" 9108 8346 9496 1713457 00 8650 8318 8214 8461 2329 5208 26 8515 8573 8423 8450 544 0 0 6481000 019 037 005 014 017 010690 14614 53 -7804930220 908110 8885 8892 8881 892810482 8872 8453623 00 640567"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873249,"usec":117985},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717230,"noise_level":-21.519085,"freq_skew":0.315418,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":327,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873249,"usec":872254},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704667,"noise_level":-21.595512,"freq_skew":0.162393,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"G","sublabel":"DF","msg_text":"7 5587138 198 522 -040 1044 2172047020102017281015 8851 8996 9628 76 2357 612 054 041 049 023 036 01967110 8891 8893 8881 892810490 8835 8453615 00 6435647 5587137 199 525 -013 1470 2178043038246019 25"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873250,"usec":655582},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889258,"noise_level":-21.177784,"freq_skew":0.270978,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,220,30,185]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":14,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873251,"usec":399351},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916389,"noise_level":-21.108427,"freq_skew":0.242576,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"H","sublabel":"DF","msg_text":"006 8836 8982 9623 80 2346 601 026 078 005 017 038 008669 19215 10 -17506040220 9203PRI 191075370 22 -16310280837270600 58 00 -09 09 12 457 449 8973 8993 8984 899410467 8775 880 69171 4867 783 783"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873252,"usec":152625},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970366,"noise_level":-20.865158,"freq_skew":0.209597,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873252,"usec":154776},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513403,"noise_level":-21.802349,"freq_skew":0.362085,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873252,"usec":159808},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955071,"noise_level":-22.112373,"freq_skew":0.253166,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"I","sublabel":"DF","msg_text":" 7043371 00 6175680 2087198 295 496 -040-1300 009 000 2076 2067047019101017281016 8953 9486 9156 9659 383131 00 8836 8655 8737 8809 2180 4861 01 9017 8875 8861 8833 580 0 0 4991000 060 039 053 023 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873252,"usec":952129},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592925,"noise_level":-21.764938,"freq_skew":0.147774,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[45,203,211,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873255,"usec":212624},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585335,"noise_level":-21.573324,"freq_skew":1.851582,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":131,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873259,"usec":24802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220743,"noise_level":-20.369751,"freq_skew":1.897508,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873263,"usec":615392},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.092697,"noise_level":-19.489748,"freq_skew":0.758740,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"KPDX"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":3.500000},"alt":18000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873264,"usec":349560},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170021,"noise_level":-19.392015,"freq_skew":1.152583,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEA","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FR70CB","msg_num":"M46","msg_num_seq":"A","msg_text":"091422,,0926, 68,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873265,"usec":891336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092121,"noise_level":-18.934544,"freq_skew":1.301568,"avlc":{"src":{"addr":"4D228F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873267,"usec":405757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284380,"noise_level":-18.573359,"freq_skew":-0.775261,"avlc":{"src":{"addr":"43F701","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873270,"usec":459352},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529746,"noise_level":-17.825262,"freq_skew":1.699037,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53463,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[155,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873271,"usec":213404},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789088,"noise_level":-17.744492,"freq_skew":1.931681,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZUO","mode":"2","label":"8E","blk_id":"9","ack":"!","flight":"U258ER","msg_num":"M26","msg_num_seq":"A","msg_text":"EGBB,0943"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873271,"usec":972606},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004014,"noise_level":-17.558901,"freq_skew":2.303908,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":3.100000},"alt":28000}},{"name":"alternate_ground_stations","value":["10930A","109FCA","109C7A","10980A","10902A","10919A","10900A","1094AA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873271,"usec":981144},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386955,"noise_level":-17.778837,"freq_skew":1.621145,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873272,"usec":728757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164182,"noise_level":-18.659906,"freq_skew":1.820026,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873272,"usec":737550},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740458,"noise_level":-18.650690,"freq_skew":2.327110,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127125","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,85,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873273,"usec":501302},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235587,"noise_level":-18.539856,"freq_skew":2.374375,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJE","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR01BL","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873274,"usec":257647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.486913,"noise_level":-18.365412,"freq_skew":2.288316,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873274,"usec":263493},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133680,"noise_level":-18.293747,"freq_skew":0.615860,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"KPDX"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":3.500000},"alt":18000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873275,"usec":782204},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682996,"noise_level":-18.511108,"freq_skew":2.305193,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":129,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873275,"usec":782559},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339684,"noise_level":-18.511108,"freq_skew":0.984436,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":211,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53474,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[117,124,162,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873275,"usec":783421},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249995,"noise_level":-19.637318,"freq_skew":0.684103,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22057056","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,94,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873277,"usec":290313},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944058,"noise_level":-19.278286,"freq_skew":0.749330,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873278,"usec":830328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854570,"noise_level":-18.811451,"freq_skew":0.755378,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873278,"usec":834401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274471,"noise_level":-19.759863,"freq_skew":2.337770,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873279,"usec":580544},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.508657,"noise_level":-19.779921,"freq_skew":0.857158,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":2.800000},"alt":209000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873280,"usec":362200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905427,"noise_level":-19.463926,"freq_skew":2.327868,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873280,"usec":363747},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726602,"noise_level":-19.755518,"freq_skew":-1.579670,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"B2","blk_id":"6","ack":"!","flight":"OR0367","msg_num":"L92","msg_num_seq":"A","msg_text":"/PIKCLYA.OC1/CLA 0912 260527 EGGX CLRNCE 291\r\nTFL367 CLRD TO TNCC VIA BEDRA\r\nRANDOM ROUTE\r\n48N020W 4730N025W 47N030W\r\n45N040W 40N047W 35N051W\r\n30N054W 25N058W KAVAX\r\nFM BEDRA/1033 MNTN F380 M085\r\nATC/CROSS BEDR"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873281,"usec":886984},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978554,"noise_level":-19.351271,"freq_skew":-1.830199,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"B2","blk_id":"7","ack":"!","flight":"OR0367","msg_num":"L92","msg_num_seq":"B","msg_text":"/PIKCLYA.OC1/CLA 0912 260527 EGGX CLRNCE 291\r\nTFL367 CLRD TO TNCC VIA BEDRA\r\nRANDOM ROUTE\r\n48N020W 4730N025W 47N030W\r\n45N040W 40N047W 35N051W\r\n30N054W 25N058W KAVAX\r\nFM BEDRA/1033 MNTN F380 M085\r\nATC/CROSS BEDRA AT OR AFTER\r\n1033\r\nEND OF MESSAGEA9D0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873283,"usec":393280},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776086,"noise_level":-18.995897,"freq_skew":-1.703518,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"8","ack":"C","flight":"OR0367","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873284,"usec":159725},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140620,"noise_level":-18.872969,"freq_skew":2.435174,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,251]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873284,"usec":170194},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069077,"noise_level":-18.736719,"freq_skew":0.592634,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"4","ack":"M","flight":"KL0615","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873284,"usec":170194},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.069077,"noise_level":-18.736719,"freq_skew":0.592634,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873284,"usec":933222},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966188,"noise_level":-18.661940,"freq_skew":0.745046,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":472,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":6,"ack":8,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873287,"usec":210711},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852204,"noise_level":-18.085802,"freq_skew":-1.692897,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"8","ack":"C","flight":"OR0367","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873287,"usec":983335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288684,"noise_level":-18.029539,"freq_skew":0.186294,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873287,"usec":989079},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258714,"noise_level":-17.960583,"freq_skew":0.927199,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"4","ack":"M","flight":"KL0615","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873288,"usec":739601},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025197,"noise_level":-17.953716,"freq_skew":0.698131,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":472,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":6,"ack":8,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873288,"usec":745430},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165014,"noise_level":-17.885359,"freq_skew":2.436093,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,251]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873290,"usec":257558},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.407567,"noise_level":-18.070181,"freq_skew":0.648377,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873290,"usec":266404},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.433217,"noise_level":-17.966469,"freq_skew":0.602173,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"CZ2531","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873291,"usec":783760},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647159,"noise_level":-17.854254,"freq_skew":-1.901214,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"8","ack":"C","flight":"OR0367","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873294,"usec":72621},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269351,"noise_level":-17.475883,"freq_skew":0.641070,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"5","ack":"N","flight":"KL0615","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873294,"usec":82869},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037368,"noise_level":-17.366158,"freq_skew":0.626559,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873294,"usec":823286},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860970,"noise_level":-17.308620,"freq_skew":2.523861,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[11,251]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873294,"usec":827173},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406584,"noise_level":-17.544138,"freq_skew":0.903431,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873294,"usec":828318},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878819,"noise_level":-17.531055,"freq_skew":0.757479,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22057056","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,94,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873296,"usec":355291},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296967,"noise_level":-17.426451,"freq_skew":0.840178,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873297,"usec":123601},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.653494,"noise_level":-17.171871,"freq_skew":0.567306,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873297,"usec":125456},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790102,"noise_level":-17.159336,"freq_skew":0.331900,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"I","sublabel":"DF","msg_text":" 7043371 00 6175680 2087198 295 496 -040-1300 009 000 2076 2067047019101017281016 8953 9486 9156 9659 383131 00 8836 8655 8737 8809 2180 4861 01 9017 8875 8861 8833 580 0 0 4991000 060 039 053 023 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873297,"usec":868032},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606086,"noise_level":-18.300741,"freq_skew":1.280040,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJQ","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH04UT","msg_num":"M54","msg_num_seq":"A","msg_text":"00034209234N1U*U+JQQ 282Q8,WYYX(J30LFEEK31FFOOM8R)0ML2OE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873297,"usec":882401},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.351850,"noise_level":-18.123987,"freq_skew":0.917282,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"CZ2531","msg_num":"S18","msg_num_seq":"A","msg_text":"0E20914562S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":9,"min":14,"sec":56}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873298,"usec":641893},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879522,"noise_level":-18.116991,"freq_skew":0.734899,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"BA","blk_id":"6","ack":"!","flight":"KL0615","msg_num":"L12","msg_num_seq":"A","msg_text":"/SOUCAYA.AT1.PH-BKH608693B9032BDE","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".PH-BKH","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"hour":9,"min":14,"sec":57}},"atc_downlink_msg_element_id":{"choice_label":"ROGER","choice":"dM3NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873298,"usec":651900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.771805,"noise_level":-18.373545,"freq_skew":1.887118,"avlc":{"src":{"addr":"4D2272","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873299,"usec":395878},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562984,"noise_level":-18.280411,"freq_skew":1.740858,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[172,122,85,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873299,"usec":398944},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723751,"noise_level":-19.265980,"freq_skew":1.739074,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53463,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[151,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873300,"usec":152609},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844522,"noise_level":-19.076490,"freq_skew":0.861398,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873300,"usec":161165},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082181,"noise_level":-18.960125,"freq_skew":0.726824,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":473,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":7,"ack":12,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,75,76,77,0,72,94,46],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873300,"usec":933434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341690,"noise_level":-18.784672,"freq_skew":0.808789,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873301,"usec":682827},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.412539,"noise_level":-18.731968,"freq_skew":0.833146,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,75,76,77,0,72,94,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873301,"usec":689216},"freq":136975000,"burst_len_octets":266,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779646,"noise_level":-18.649790,"freq_skew":0.410490,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873301,"usec":689216},"freq":136975000,"burst_len_octets":266,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.779646,"noise_level":-18.649790,"freq_skew":0.410490,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"J","sublabel":"DF","msg_text":"33 020633PRI 191075370 22 -16310280837270600 58 00 -09 09 12 457 449 8969 8993 8985 899410457 8743 890 65175 4844 783 783 7043364 00 6235650 2087196 299 501 -013-1300 029 000 2105 210004304024802"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873301,"usec":695869},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008584,"noise_level":-18.575752,"freq_skew":0.724296,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":474,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":8,"ack":13,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,75,76,77,0,72,94,46]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,75,76,77,0,72,94,46]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873302,"usec":439637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685374,"noise_level":-19.011490,"freq_skew":1.223371,"avlc":{"src":{"addr":"3C6551","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873302,"usec":440892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.616579,"noise_level":-19.820671,"freq_skew":0.557344,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873302,"usec":449245},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651738,"noise_level":-19.693970,"freq_skew":0.275134,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[130,152,6,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873302,"usec":449245},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.651738,"noise_level":-19.693970,"freq_skew":0.275134,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[82,147,6,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873302,"usec":450482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495350,"noise_level":-19.677217,"freq_skew":1.762459,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873303,"usec":970394},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056166,"noise_level":-19.389126,"freq_skew":0.292372,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873303,"usec":970643},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761570,"noise_level":-19.389126,"freq_skew":0.260875,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"K","sublabel":"DF","msg_text":"2 24007 8939 9488 9147 9647 403113 00 8964 8663 8539 8810 2167 4845 22 8809 8957 8812 8783 566 0 0 5021000 027 083 005 015 045 0096350665965756707 61 060022011 8975 8973 8978 897510472 8780 92 -030760"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873303,"usec":971628},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732329,"noise_level":-20.460556,"freq_skew":1.620731,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCR","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"FR45RE","msg_num":"M26","msg_num_seq":"A","msg_text":"091501,101568,0941, 87,N 52.545 W 1.597"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873303,"usec":979375},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675383,"noise_level":-20.342295,"freq_skew":1.609836,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53463,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[140,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873304,"usec":740493},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764577,"noise_level":-20.851051,"freq_skew":1.510872,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53463,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[5,231]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873305,"usec":501430},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.180307,"noise_level":-20.568298,"freq_skew":0.827674,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,75,76,77,0,72,94,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873306,"usec":265124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866436,"noise_level":-20.476057,"freq_skew":1.618112,"avlc":{"src":{"addr":"4D2248","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873306,"usec":268637},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164909,"noise_level":-20.421179,"freq_skew":0.202237,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A9C-FG","mode":"2","label":"49","blk_id":"3","ack":"!","flight":"GF0002","msg_num":"M10","msg_num_seq":"A","msg_text":"01ICCL GFA002/270915EGLLOBBI\r\n+ 4658210.8+ 24.1040101061525"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873307,"usec":779732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934714,"noise_level":-20.011580,"freq_skew":0.235777,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873307,"usec":790081},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663247,"noise_level":-19.856417,"freq_skew":0.320605,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"L","sublabel":"DF","msg_text":" 9681 81640018CE0000000000350C500000100007F001000000080B000000678010180000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873310,"usec":68707},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.549592,"noise_level":-19.600328,"freq_skew":0.747797,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,75,76,77,0,72,94,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873310,"usec":71002},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.417356,"noise_level":-19.567211,"freq_skew":0.607525,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":474,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":8,"ack":13,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,75,76,77,0,72,94,46]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,75,76,77,0,72,94,46]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873310,"usec":77238},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751481,"noise_level":-19.476780,"freq_skew":0.369824,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"M","sublabel":"DF","msg_text":"0000000007F 61 060022011 8975 8973 8978 897510463 8750 79 -030760 9684 82200018CE00000000003510500000200007F001000000080B0000006780100000001000000000000000000000000000000000000000000000000000000000000000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873311,"usec":601913},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671741,"noise_level":-19.030464,"freq_skew":0.171305,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"N","sublabel":"DF","msg_text":"000000000000000000000000000000000000000000000000000000000000000000000000000007F 22602 -20 -23806610220 939710 9109 9116 9114 911610498 8852 6073211 00 5865697 -1837196 339 471 -042 010 1890047022 98014"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873312,"usec":342163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.361806,"noise_level":-19.014940,"freq_skew":0.722309,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873313,"usec":116875},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562656,"noise_level":-18.755201,"freq_skew":0.526032,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[18,197,209,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873313,"usec":125320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627661,"noise_level":-18.643034,"freq_skew":0.328617,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873313,"usec":880145},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471412,"noise_level":-19.082283,"freq_skew":0.288207,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873314,"usec":638308},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793365,"noise_level":-19.776918,"freq_skew":0.514486,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"O","sublabel":"DF","msg_text":"273014 9081 9355 9722 -02 2085 578 059 042 052 022 029 01960610 9109 9116 9110 911610496 8810 6073202 00 5925672 -1757194 339 474 -013 029 1925043040258022 31006 9069 9344 9709 04 2067 568 026 081 006 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873315,"usec":408840},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584888,"noise_level":-19.461033,"freq_skew":0.455181,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[215,101,56,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873315,"usec":408840},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.584888,"noise_level":-19.461033,"freq_skew":0.455181,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XQ06DN","msg_num":"D41","msg_num_seq":"P","sublabel":"DF","msg_text":"B31ATC-SMV 2466DN EGBBLTBSCL2705090418123154602179602184BCG3A-L200-0002 4925 1470248826710408 245 150 67077 4562 245 15004080220 853410 8022 8028 8021 867710340 836812463835 00 7145492 24506592 214 740 -044 2743 2982047012 61013250018 7989 7861 9408 260 2365 532 051 022 047 026 023 02370710 8022 8028 8022 867710344 834712463833 00 7135455 24506592 220 742 -013 2787 2962015011283005193008 7977 7848 9412 258 2357 550 015 019 004 013 011 012701 9187 145 3504470220 8797PRI 90845370 149 3910250029310445 80 -01 10 10 12 465 472 8407 8410 8393 878810394 8475 870 69168 5218 799 79910503744 00 6775543 15006771 224 643 -040-1300 1736 1738 2574 2569047017 78018251017 8357 9108 8360 9501 1703475 00 8508 8279 8403 8445 2343 5212 03 8665 8534 8544 8461 526 0 0 6431000 055 033 049 025 034 022696PRI 9084 5370 149 3910250029310445 80 -01 10 10 12 465 472 8413 8410 8391 878810396 8440 870 65175 5214 799 79910503738 00 6785505 15006771 225 648 -013-1300 1779 1767 2584 2579019021258008 11008 8346 9108 8346 9496 1713457 00 8650 8318 8214 8461 2329 5208 26 8515 8573 8423 8450 544 0 0 6481000 019 037 005 014 017 010690 14614 53 -7804930220 908110 8885 8892 8881 892810482 8872 8453623 00 6405677 5587138 198 522 -040 1044 2172047020102017281015 8851 8996 9628 76 2357 612 054 041 049 023 036 01967110 8891 8893 8881 892810490 8835 8453615 00 6435647 5587137 199 525 -013 1470 2178043038246019 25006 8836 8982 9623 80 2346 601 026 078 005 017 038 008669 19215 10 -17506040220 9203PRI 191075370 22 -16310280837270600 58 00 -09 09 12 457 449 8973 8993 8984 899410467 8775 880 69171 4867 783 783 7043371 00 6175680 2087198 295 496 -040-1300 009 000 2076 2067047019101017281016 8953 9486 9156 9659 383131 00 8836 8655 8737 8809 2180 4861 01 9017 8875 8861 8833 580 0 0 4991000 060 039 053 023 033 020633PRI 191075370 22 -16310280837270600 58 00 -09 09 12 457 449 8969 8993 8985 899410457 8743 890 65175 4844 783 783 7043364 00 6235650 2087196 299 501 -013-1300 029 000 2105 2100043040248022 24007 8939 9488 9147 9647 403113 00 8964 8663 8539 8810 2167 4845 22 8809 8957 8812 8783 566 0 0 5021000 027 083 005 015 045 0096350665965756707 61 060022011 8975 8973 8978 897510472 8780 92 -030760 9681 81640018CE0000000000350C500000100007F001000000080B0000006780101800001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007F 61 060022011 8975 8973 8978 897510463 8750 79 -030760 9684 82200018CE00000000003510500000200007F001000000080B0000006780100000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007F 22602 -20 -23806610220 939710 9109 9116 9114 911610498 8852 6073211 00 5865697 -1837196 339 471 -042 010 1890047022 98014273014 9081 9355 9722 -02 2085 578 059 042 052 022 029 01960610 9109 9116 9110 911610496 8810 6073202 00 5925672 -1757194 339 474 -013 029 1925043040258022 31006 9069 9344 9709 04 2067 568 026 081 006 015 042 008607"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873317,"usec":704908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829907,"noise_level":-18.778358,"freq_skew":0.364916,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873324,"usec":538630},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.196975,"noise_level":-17.214878,"freq_skew":0.805674,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"BA","blk_id":"7","ack":"!","flight":"KL0615","msg_num":"L13","msg_num_seq":"A","msg_text":"/SOUCAYA.AT1.PH-BKH610893D703D6C8","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".PH-BKH","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"hour":9,"min":15,"sec":23}},"atc_downlink_msg_element_id":{"choice_label":"ROGER","choice":"dM3NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873326,"usec":72252},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.606847,"noise_level":-16.982281,"freq_skew":0.709744,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873326,"usec":841915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.191477,"noise_level":-16.746185,"freq_skew":1.857983,"avlc":{"src":{"addr":"4D2272","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873329,"usec":126416},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011235,"noise_level":-16.559059,"freq_skew":1.425085,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"BA0891","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873332,"usec":171099},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538844,"noise_level":-16.993797,"freq_skew":1.407600,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"BA0891","msg_num":"F86","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,49,093715,/PR1384,349,320,59,,0,100,,M46,110,,,P0,P0,36090,,1325,346D3D2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873332,"usec":177720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774926,"noise_level":-17.709034,"freq_skew":1.155063,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"BA0891","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873333,"usec":697452},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844871,"noise_level":-18.646711,"freq_skew":-0.721985,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873334,"usec":449332},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270710,"noise_level":-18.470129,"freq_skew":-0.645300,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":683,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53491,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[11,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873334,"usec":449332},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.270710,"noise_level":-18.470129,"freq_skew":-0.645300,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":684,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53491,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[0,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873335,"usec":199454},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023512,"noise_level":-19.052601,"freq_skew":-0.684815,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":685,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53491,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[138,198]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873335,"usec":989614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341893,"noise_level":-18.769104,"freq_skew":-0.834532,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873338,"usec":265194},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339381,"noise_level":-19.280153,"freq_skew":1.189038,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873341,"usec":298314},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425520,"noise_level":-18.887068,"freq_skew":2.449851,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJE","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"FR01BL","msg_num":"M08","msg_num_seq":"A","msg_text":"091539,27982,0944, 76,N 51.898 E 2.946"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873342,"usec":829502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961967,"noise_level":-18.425768,"freq_skew":2.251174,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873343,"usec":598950},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432321,"noise_level":-18.175783,"freq_skew":2.304181,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":2.900000},"alt":27000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873344,"usec":363975},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575351,"noise_level":-18.746754,"freq_skew":2.526298,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJE","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR01BL","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873345,"usec":118443},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516324,"noise_level":-18.531395,"freq_skew":2.362642,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127125","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,85,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873346,"usec":651943},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609581,"noise_level":-18.606289,"freq_skew":2.419622,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873347,"usec":392739},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732347,"noise_level":-19.630201,"freq_skew":1.424118,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"BA0891","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873348,"usec":165079},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584320,"noise_level":-20.707195,"freq_skew":1.424617,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"15","blk_id":"8","ack":"!","flight":"BA0891","msg_num":"M98","msg_num_seq":"A","msg_text":"FST01UGTBEGLL 00 177 26 14 09370915"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873348,"usec":171199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647562,"noise_level":-20.744404,"freq_skew":2.301070,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873348,"usec":923972},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799602,"noise_level":-20.821886,"freq_skew":-0.556980,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":686,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53491,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[181,177]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873349,"usec":688401},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129843,"noise_level":-20.466433,"freq_skew":-0.447045,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":687,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53491,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[251,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873350,"usec":453101},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006325,"noise_level":-20.357140,"freq_skew":-0.720908,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":688,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53491,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[247,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873350,"usec":454729},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725008,"noise_level":-20.339058,"freq_skew":3.667293,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53515,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[130,106]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873350,"usec":460141},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894135,"noise_level":-21.132019,"freq_skew":1.252736,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"BA0891","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873350,"usec":461696},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560533,"noise_level":-21.112251,"freq_skew":1.382514,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"15","blk_id":"8","ack":"!","flight":"BA0891","msg_num":"M98","msg_num_seq":"A","msg_text":"FST01UGTBEGLL 00 177 26 14 09370915"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873350,"usec":462714},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654824,"noise_level":-22.378372,"freq_skew":3.744509,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53515,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[126,125]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873351,"usec":218496},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262029,"noise_level":-22.152885,"freq_skew":-0.501889,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":689,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53491,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[203,68]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873351,"usec":971220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546661,"noise_level":-21.857479,"freq_skew":3.938356,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873352,"usec":735445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434789,"noise_level":-22.846239,"freq_skew":1.133340,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873352,"usec":738308},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299564,"noise_level":-22.934311,"freq_skew":-0.625037,"avlc":{"src":{"addr":"4072EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":690,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":53491,"variable_part_params":[{"name":"checksum","value":[155,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873353,"usec":495570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.821933,"noise_level":-22.717846,"freq_skew":0.524527,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873358,"usec":57445},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650805,"noise_level":-20.989555,"freq_skew":3.842332,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53515,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[110,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":15,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873358,"usec":838225},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109993,"noise_level":-21.048458,"freq_skew":1.869155,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":157,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873359,"usec":584322},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691352,"noise_level":-20.921976,"freq_skew":3.785125,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873359,"usec":597332},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622480,"noise_level":-20.702620,"freq_skew":3.878056,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53515,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[126,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873360,"usec":353568},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449022,"noise_level":-20.534729,"freq_skew":3.881546,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53515,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[122,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873361,"usec":127549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454652,"noise_level":-22.213261,"freq_skew":3.981349,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53515,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[249,192]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873361,"usec":879081},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261265,"noise_level":-21.926662,"freq_skew":0.253947,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMV","mode":"2","label":"16","blk_id":"6","ack":"!","flight":"XQ06DN","msg_num":"M68","msg_num_seq":"A","msg_text":"091559,+27252,1248,23120,N 51.4769,W 0.5461,SXS6DN "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873362,"usec":643436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684902,"noise_level":-21.829620,"freq_skew":3.933227,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873362,"usec":651916},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493255,"noise_level":-21.670250,"freq_skew":3.956302,"avlc":{"src":{"addr":"4CA813","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4,"dst_ref":53515,"variable_part_params":[{"name":"checksum","value":[74,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873363,"usec":405992},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067835,"noise_level":-21.421188,"freq_skew":0.395561,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873363,"usec":406808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.346772,"noise_level":-21.410965,"freq_skew":0.600814,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873364,"usec":174633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256238,"noise_level":-21.189026,"freq_skew":2.135143,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873364,"usec":175227},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176755,"noise_level":-21.193138,"freq_skew":0.144608,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[38]},{"name":"dst_airport","value":"EGPF"},{"name":"ac_location","value":{"loc":{"lat":53.400002,"lon":0.700000},"alt":43000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873367,"usec":209183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.383548,"noise_level":-20.249769,"freq_skew":0.427822,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873377,"usec":106946},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655276,"noise_level":-17.941833,"freq_skew":2.239298,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2819,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[80,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873377,"usec":882894},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465784,"noise_level":-17.999399,"freq_skew":2.526312,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873378,"usec":634214},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469028,"noise_level":-18.352245,"freq_skew":-1.661964,"avlc":{"src":{"addr":"C06120","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"CYUL"},{"name":"ac_location","value":{"loc":{"lat":52.900002,"lon":-1.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873378,"usec":642406},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750201,"noise_level":-18.259338,"freq_skew":-1.580355,"avlc":{"src":{"addr":"C06120","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"AC0867","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873379,"usec":408248},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531756,"noise_level":-18.818775,"freq_skew":2.348926,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2820,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[69,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873380,"usec":165597},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762785,"noise_level":-18.653561,"freq_skew":2.485790,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53579,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,128]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873380,"usec":167196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019132,"noise_level":-18.638695,"freq_skew":-1.540983,"avlc":{"src":{"addr":"C06120","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873381,"usec":692178},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990141,"noise_level":-18.935495,"freq_skew":2.537993,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873386,"usec":265710},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535910,"noise_level":-18.107014,"freq_skew":2.274878,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873387,"usec":780738},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875969,"noise_level":-17.865913,"freq_skew":2.468470,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124350","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,232,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873387,"usec":788945},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554946,"noise_level":-17.778038,"freq_skew":2.429053,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENW","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR5363","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873388,"usec":548733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995565,"noise_level":-17.585157,"freq_skew":2.253034,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873391,"usec":605071},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466719,"noise_level":-16.884092,"freq_skew":2.319540,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENW","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR5363","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873391,"usec":605210},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.807575,"noise_level":-16.884092,"freq_skew":0.032961,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":1.900000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873392,"usec":366819},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293153,"noise_level":-16.787548,"freq_skew":-0.179935,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873392,"usec":372213},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832374,"noise_level":-17.423525,"freq_skew":2.407422,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2822,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53579,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[103,197]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873393,"usec":114848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223601,"noise_level":-17.282631,"freq_skew":-0.015228,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873393,"usec":884528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436255,"noise_level":-17.156498,"freq_skew":2.219529,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873394,"usec":633471},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520945,"noise_level":-17.983189,"freq_skew":2.508548,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2823,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[65,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873394,"usec":634073},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118073,"noise_level":-18.869553,"freq_skew":2.239924,"avlc":{"src":{"addr":"3C07FC","type":"Aircraft","status":"On ground"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LGKO"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":-0.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873394,"usec":635218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537420,"noise_level":-18.854315,"freq_skew":-0.100689,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873394,"usec":635966},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905790,"noise_level":-18.846704,"freq_skew":0.294059,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":19,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[23,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873394,"usec":643257},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362831,"noise_level":-19.581289,"freq_skew":2.514850,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2824,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53579,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[61,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873395,"usec":403431},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184348,"noise_level":-19.572796,"freq_skew":2.253288,"avlc":{"src":{"addr":"3C07FC","type":"Aircraft","status":"On ground"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DASAP","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"GS0000","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873395,"usec":410528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685181,"noise_level":-19.465958,"freq_skew":2.507562,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53579,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[162,105]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873395,"usec":412086},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539239,"noise_level":-19.441488,"freq_skew":0.864991,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53474,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[117,124,162,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873395,"usec":413779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371180,"noise_level":-19.425213,"freq_skew":2.171519,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":162905},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729091,"noise_level":-19.312136,"freq_skew":1.540421,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":0.000000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":920433},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668934,"noise_level":-19.160988,"freq_skew":1.772813,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZUO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"U258ER","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":920433},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.668934,"noise_level":-19.160988,"freq_skew":1.772813,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20063151","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,102,105,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":921405},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.444332,"noise_level":-19.153107,"freq_skew":2.855109,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":2.000000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":926409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262496,"noise_level":-19.082481,"freq_skew":1.040777,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":931436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298467,"noise_level":-19.012428,"freq_skew":2.518572,"avlc":{"src":{"addr":"3C07FC","type":"Aircraft","status":"On ground"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873396,"usec":933451},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481215,"noise_level":-18.989201,"freq_skew":2.419599,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2826,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4,"dst_ref":53579,"variable_part_params":[{"name":"checksum","value":[200,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873397,"usec":679101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762115,"noise_level":-19.740356,"freq_skew":1.620558,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873397,"usec":687023},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712186,"noise_level":-19.631451,"freq_skew":0.362270,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":20,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[205,249]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873398,"usec":456501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083311,"noise_level":-20.346174,"freq_skew":1.643849,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873399,"usec":217616},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974112,"noise_level":-20.301731,"freq_skew":0.531450,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[45,50,106,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873399,"usec":984151},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016163,"noise_level":-20.380507,"freq_skew":0.493467,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[231,247,187,140]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873399,"usec":985277},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.178563,"noise_level":-21.119644,"freq_skew":1.708214,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17073357","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,118,239,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873400,"usec":735726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841254,"noise_level":-20.771017,"freq_skew":0.455327,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873401,"usec":495154},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.012115,"noise_level":-20.546139,"freq_skew":1.911363,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873402,"usec":265720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.266563,"noise_level":-20.192690,"freq_skew":2.034935,"avlc":{"src":{"addr":"3C76EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873407,"usec":604743},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.360687,"noise_level":-18.762939,"freq_skew":2.806905,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":2.000000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873408,"usec":362939},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467399,"noise_level":-19.080069,"freq_skew":0.366045,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[58,153,112,0]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873409,"usec":126133},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351217,"noise_level":-19.820942,"freq_skew":1.498391,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873409,"usec":139746},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954545,"noise_level":-20.237082,"freq_skew":0.361624,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873409,"usec":866124},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633796,"noise_level":-20.973913,"freq_skew":-0.100301,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53590,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[144,1,119,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873410,"usec":646930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.856145,"noise_level":-20.612312,"freq_skew":-0.032449,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873410,"usec":648441},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662053,"noise_level":-20.584394,"freq_skew":0.446486,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[130,254,156,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873419,"usec":27026},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776019,"noise_level":-18.230635,"freq_skew":1.699905,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[172,122,85,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873419,"usec":791212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986253,"noise_level":-18.031359,"freq_skew":1.408829,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873422,"usec":833903},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475910,"noise_level":-18.481680,"freq_skew":2.195386,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":2.700000},"alt":26000}},{"name":"alternate_ground_stations","value":["1096EA","10930A","10980A","10919A","10900A","1094AA","1094EA","10988A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873424,"usec":348886},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807723,"noise_level":-18.235832,"freq_skew":0.743920,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53474,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[202,73,212,162]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53474,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[82,190,8,82]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873424,"usec":361616},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320672,"noise_level":-18.088215,"freq_skew":0.977560,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":53474,"variable_part_params":[{"name":"atn_checksum","value":[156,90,68,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873427,"usec":426361},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861162,"noise_level":-17.801819,"freq_skew":0.906150,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":214,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":53474,"variable_part_params":[{"name":"atn_checksum","value":[156,90,68,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873428,"usec":158468},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.362987,"noise_level":-17.781610,"freq_skew":2.777804,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":2.000000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873428,"usec":938786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.570988,"noise_level":-17.768728,"freq_skew":2.946701,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873429,"usec":682038},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338645,"noise_level":-18.067467,"freq_skew":2.670024,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53613,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[185,56,13,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873430,"usec":449001},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050966,"noise_level":-17.868126,"freq_skew":1.703215,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":169,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873431,"usec":968252},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525365,"noise_level":-17.587299,"freq_skew":2.355600,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":2.700000},"alt":26000}},{"name":"alternate_ground_stations","value":["1096EA","10930A","10980A","10919A","10900A","1094AA","1094EA","10988A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873431,"usec":979055},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027658,"noise_level":-18.419222,"freq_skew":2.765951,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53613,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[137,137,61,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":17,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873432,"usec":728341},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664194,"noise_level":-18.296993,"freq_skew":2.504814,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127125","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,85,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873432,"usec":734925},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991463,"noise_level":-19.071865,"freq_skew":-1.165173,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"L01","msg_num_seq":"A","msg_text":"/EDDP.TI2/024EDDPDE936"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873432,"usec":735668},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320658,"noise_level":-19.568350,"freq_skew":2.700539,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53613,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[40,145,78,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873433,"usec":497791},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203818,"noise_level":-19.551834,"freq_skew":2.401913,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJE","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR01BL","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873433,"usec":511887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667384,"noise_level":-19.984100,"freq_skew":2.427854,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873435,"usec":784529},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043739,"noise_level":-19.503448,"freq_skew":-1.214092,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"L01","msg_num_seq":"A","msg_text":"/EDDP.TI2/024EDDPDE936"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873435,"usec":786989},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.342459,"noise_level":-19.470697,"freq_skew":0.753491,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873437,"usec":306548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405245,"noise_level":-19.063589,"freq_skew":-1.283651,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873437,"usec":313162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.677791,"noise_level":-19.517279,"freq_skew":0.904863,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873437,"usec":315423},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.535939,"noise_level":-19.484474,"freq_skew":1.958267,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":3.400000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873438,"usec":827753},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678005,"noise_level":-19.170967,"freq_skew":0.125647,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".A9C-FG","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"GF0002","msg_num":"C01","msg_num_seq":"A","sublabel":"CF","msg_text":"RTE 1 27MAY26 0917 GF A9C-FG GFA002 EGLL/OBBI BCG4F-45LD-0077 C L 0847 27MAY26\r\nFDE 34414241 A 0917 27MAY26\r\nMSG 3460121 A 0917 27MAY26 CL H PL\r\nDB LEFT INTEG SURVEILLANCE SYSTEM PROC UNIT\r\nFRC 4001 MC 5012"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873439,"usec":594500},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443176,"noise_level":-19.014477,"freq_skew":2.245022,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1320,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873440,"usec":349851},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871783,"noise_level":-18.837934,"freq_skew":2.567517,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873440,"usec":355478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.307355,"noise_level":-18.769817,"freq_skew":0.207977,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873441,"usec":122542},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037714,"noise_level":-19.685966,"freq_skew":0.128465,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A9C-FG","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"GF0002","msg_num":"C01","msg_num_seq":"B","sublabel":"CF","msg_text":"RTE 1 27MAY26 0917 GF A9C-FG GFA002 EGLL/OBBI BCG4F-45LD-0077 C L 0847 27MAY26\r\nFDE 34414241 A 0917 27MAY26\r\nMSG 3460121 A 0917 27MAY26 CL H PL\r\nDB LEFT INTEG SURVEILLANCE SYSTEM PROC UNIT\r\nFRC 4001 MC 5012 \r\nEOR\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873441,"usec":875438},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.825739,"noise_level":-20.494732,"freq_skew":1.731342,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873442,"usec":638838},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772927,"noise_level":-20.285778,"freq_skew":0.210325,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873443,"usec":408147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.578896,"noise_level":-19.959837,"freq_skew":0.403884,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873444,"usec":183416},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766202,"noise_level":-20.131958,"freq_skew":-2.204867,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873445,"usec":698895},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603414,"noise_level":-19.668329,"freq_skew":2.178327,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":3.400000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873449,"usec":503061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.597306,"noise_level":-18.771513,"freq_skew":1.662182,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873449,"usec":510356},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.621721,"noise_level":-18.674036,"freq_skew":2.425503,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":3.900000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873450,"usec":269053},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211085,"noise_level":-18.562906,"freq_skew":-1.225084,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"XA0001","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873451,"usec":19500},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302423,"noise_level":-18.323311,"freq_skew":-1.201160,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"_d","blk_id":"2","ack":"N","flight":"XA0001","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873454,"usec":78409},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.372500,"noise_level":-17.884033,"freq_skew":-1.335775,"avlc":{"src":{"addr":"3CD8B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCJJK","mode":"2","label":"_d","blk_id":"2","ack":"N","flight":"XA0001","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873454,"usec":79751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726820,"noise_level":-17.870426,"freq_skew":2.267968,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2827,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873454,"usec":828985},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536442,"noise_level":-18.688595,"freq_skew":1.898385,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":3.400000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873455,"usec":582596},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.742369,"noise_level":-18.662554,"freq_skew":2.215942,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH6952","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873455,"usec":585048},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699020,"noise_level":-18.632818,"freq_skew":2.346860,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222016","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,76,0,77,36,14,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873459,"usec":390858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576637,"noise_level":-17.757090,"freq_skew":1.999979,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH6952","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873459,"usec":394896},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662438,"noise_level":-17.716925,"freq_skew":2.029284,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222016","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,76,0,77,36,14,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873462,"usec":456921},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.218592,"noise_level":-17.539547,"freq_skew":2.297465,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"FR09ET","msg_num":"M39","msg_num_seq":"A","msg_text":"/EGKK.TI2/024EGKKE9173"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873463,"usec":208022},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131908,"noise_level":-17.435480,"freq_skew":2.399543,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221516","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873463,"usec":985612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546793,"noise_level":-17.212088,"freq_skew":2.167449,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873465,"usec":509404},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987876,"noise_level":-16.829945,"freq_skew":2.847242,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":476,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33016,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":21,"acked_subseq":0,"acked_credit":5}},{"name":"atn_checksum","value":[1,242,49,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873467,"usec":20728},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194029,"noise_level":-16.621416,"freq_skew":2.809481,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53613,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[125,94,128,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873468,"usec":548354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208184,"noise_level":-16.346882,"freq_skew":1.784171,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873469,"usec":311446},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693273,"noise_level":-16.205444,"freq_skew":-2.685240,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"49","blk_id":"9","ack":"!","flight":"OR0367","msg_num":"M09","msg_num_seq":"A","msg_text":"01CLER TFL367/270917EHAMTNCC\r\n+35910278.8- 25.7048400701803"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873469,"usec":317051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419595,"noise_level":-16.798492,"freq_skew":2.024719,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":54040},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018972,"noise_level":-17.411999,"freq_skew":2.582323,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33016,"sseq":21,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,186,243,75]}]}],"unknown_proto":{"data":[0,168,215,163,201,170,80,92,9,26,47,63,19,26,196,0,16,4,121,228,135,147,73,65,96,0,248,81,228,210,80,58,230,66,18,224,26,16,147,41,228,184,180,224,216,0,108,57,147,209,8,4,56,208,133,185,46,172,232,53,128,42,57,176,30,210,236,178,229,8,96,242,93,145,1,151,17,86,207,38,146,128,68,87,3,27,215,144,14,239,144,121,26,81,24,33,197,2,224,99,216,184,1,180,108,13,94,74,91,200,112]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":54040},"freq":136975000,"burst_len_octets":289,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.018972,"noise_level":-17.411999,"freq_skew":2.582323,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":true,"reasm_status":"in progress","clnp":{"err":false,"compressed":true,"local_ref_a":8,"priority":2,"lifetime":122.000000,"flags":25,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[75,128,104,66,67,41,228,184,180,224,216,74,117,72,116,5,79,61,6,79,68,32,16,227,64,133,185,46,172,232,53,146,199,114,29,1,30,195,42,17,224,5,238,112,52,92,131,54,37,90,137,109,121,14,128,132,52,90,224,101,113,136,0,144,171,5,205,75,161,200,112,16,245,25,98,82,0,30,76,1,91,164,185,113,91,52,75,188,71,212,4,81,244,184,25,104,53,0,24,115,129,68,18,246,145,244,4,61,198,92,55,128,3,218,128,71,201,82,76,216,80,83,3,113]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":55351},"freq":136975000,"burst_len_octets":230,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047360,"noise_level":-17.399115,"freq_skew":2.593597,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":true,"reasm_status":"in progress","unknown_proto":{"data":[185,1,128,29,181,27,139,193,151,82,24,0,177,188,16,205,48,165,27,128,16,2,244,25,130,13,128,6,144,64,251,148,216,54,83,16,209,185,1,30,131,48,131,56,2,169,72,20,28,155,6,203,23,9,153,216,220,128,143,65,152,70,164,1,211,204,8,122,77,131,101,147,52,207,100,110,0,203,1,152,70,164,1,211,204,8,65,51,237,27,139,129,152,70,164,1,211,204,8,65,51,237,27,128,67,208,102,51,61,0,108,201,1,138,146,99,199,114,217,52,221,22,112,17,236,51,26,31]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":55351},"freq":136975000,"burst_len_octets":230,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.047360,"noise_level":-17.399115,"freq_skew":2.593597,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"complete","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33016,"sseq":21,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,186,243,75]}]}],"adsc_v2":{"adsc_report":{"choice":"periodic-report","data":{"periodic_report":{"report_data":{"position":{"lat":{"deg":49,"min":43,"sec":6.400000,"dir":"north"},"lon":{"deg":2,"min":0,"sec":14.300000,"dir":"east"},"alt":{"val":38010.000000,"unit":"ft"}},"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":22}},"figure_of_merit":{"estimated_position_uncertainty":{"val":0.080000,"unit":"nm"},"multiple_nav_units_operating":true,"aais_available":true},"contract_number":10,"projected_profile":{"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":14}},"waypoint_sequence":[{"waypoint_sequence_element":{"position":{"lat":{"deg":50,"min":4,"sec":15.100000,"dir":"north"},"lon":{"deg":1,"min":40,"sec":26.500000,"dir":"east"},"alt":{"val":31640.000000,"unit":"ft"}},"waypoint_name":"KESAX","eta":{"hour":0,"min":3,"sec":24}}},{"waypoint_sequence_element":{"position":{"lat":{"deg":50,"min":30,"sec":54.500000,"dir":"north"},"lon":{"deg":1,"min":3,"sec":56.400000,"dir":"east"},"alt":{"val":20640.000000,"unit":"ft"}},"waypoint_name":"KUNAV","eta":{"hour":0,"min":5,"sec":17}}}]},"ground_vector":{"ground_track":{"val":328.850000,"unit":"deg"},"ground_speed":{"val":443.000000,"unit":"kts"},"vertical_rate":{"val":-60.000000,"unit":"ft/min"}},"air_vector":{"heading":{"val":325.750000,"unit":"deg"},"airspeed":{"choice":"mach-and-ias","data":{"mach_and_ias":{"mach":{"val":0.768000,"unit":""},"ias":{"val":242.000000,"unit":"kts"}}}},"vertical_rate":{"val":-60.000000,"unit":"ft/min"}},"meteo_data":{"wind_speed":{"choice":"kt","data":{"wind_speed":{"val":25.000000,"unit":"kts"}}},"wind_direction":{"val":227.000000,"unit":"deg"},"temperature":{"val":-57.250000,"unit":"C"}},"extended_projected_profile":{"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":16,"sec":2}},"extended_waypoint_sequence":[{"waypoint_data":{"lat":{"deg":49,"min":47,"sec":37.700000,"dir":"north"},"lon":{"deg":1,"min":55,"sec":49.800000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":38000.000000,"unit":"ft"}}},"eta":{"hour":9,"min":17,"sec":6},"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.770000,"unit":""}}},"vertical_type":["top of descent","start of descent"]}},{"waypoint_data":{"lat":{"deg":49,"min":59,"sec":9.200000,"dir":"north"},"lon":{"deg":1,"min":45,"sec":10.800000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":33470.000000,"unit":"ft"}}},"eta":{"hour":9,"min":18,"sec":55},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"vertical_type":["cross over"]}},{"waypoint_data":{"lat":{"deg":50,"min":4,"sec":15.100000,"dir":"north"},"lon":{"deg":1,"min":40,"sec":26.500000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":31640.000000,"unit":"ft"}}},"waypoint_name":"KESAX","eta":{"hour":9,"min":19,"sec":42},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadius","data":{"turn_radius":{"val":15.800000,"unit":"nm"}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":50,"min":30,"sec":54.500000,"dir":"north"},"lon":{"deg":1,"min":3,"sec":56.400000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":20640.000000,"unit":"ft"}}},"waypoint_name":"KUNAV","eta":{"hour":9,"min":24,"sec":59},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":50,"min":40,"sec":28.600000,"dir":"north"},"lon":{"deg":0,"min":47,"sec":46.200000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":16000.000000,"unit":"ft"}}},"waypoint_name":"AMDUT","eta":{"hour":9,"min":27,"sec":23},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"at","alt":{"val":16000.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":50,"min":46,"sec":19.600000,"dir":"north"},"lon":{"deg":0,"min":36,"sec":17.100000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":14100.000000,"unit":"ft"}}},"eta":{"hour":9,"min":29,"sec":3},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"vertical_type":["start of speed change"]}},{"waypoint_data":{"lat":{"deg":50,"min":49,"sec":16.400000,"dir":"north"},"lon":{"deg":0,"min":30,"sec":30.400000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":13150.000000,"unit":"ft"}}},"waypoint_name":"KKE64","eta":{"hour":9,"min":29,"sec":56},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"speed_constraint":{"type":"at-or-less","airspeed":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}}}}},{"waypoint_data":{"lat":{"deg":50,"min":52,"sec":10.600000,"dir":"north"},"lon":{"deg":0,"min":24,"sec":46.200000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":12210.000000,"unit":"ft"}}},"eta":{"hour":9,"min":30,"sec":52},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":250.000000,"unit":"kts"}}},"vertical_type":["start of speed change"]}},{"waypoint_data":{"lat":{"deg":50,"min":56,"sec":44.400000,"dir":"north"},"lon":{"deg":0,"min":15,"sec":42.400000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":10730.000000,"unit":"ft"}}},"waypoint_name":"TIMBA","eta":{"hour":9,"min":32,"sec":27},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{},"followed_by_discontinuity":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"atOrAbove","alt":{"val":4000.000000,"unit":"ft"}}}]}},"speed_constraint":{"type":"at-or-less","airspeed":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}}}}},{"waypoint_data":{"lat":{"deg":50,"min":58,"sec":57.900000,"dir":"north"},"lon":{"deg":0,"min":11,"sec":11.100000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":10000.000000,"unit":"ft"}}},"eta":{"hour":9,"min":33,"sec":18},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"vertical_type":["speed limit"],"lateral_type":{"followed_by_discontinuity":{}}}},{"waypoint_data":{"lat":{"deg":51,"min":1,"sec":2.700000,"dir":"north"},"lon":{"deg":0,"min":6,"sec":57.700000,"dir":"east"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":9310.000000,"unit":"ft"}}},"waypoint_name":"MAY","eta":{"hour":9,"min":34,"sec":6},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":51,"min":2,"sec":5.100000,"dir":"north"},"lon":{"deg":0,"min":21,"sec":29.700000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":5680.000000,"unit":"ft"}}},"waypoint_name":"MAY18","eta":{"hour":9,"min":38,"sec":29},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":51,"min":2,"sec":21.200000,"dir":"north"},"lon":{"deg":0,"min":29,"sec":24.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4670.000000,"unit":"ft"}}},"waypoint_name":"MAY23","eta":{"hour":9,"min":39,"sec":44},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"lateral_type":{"overfly":{},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":51,"min":2,"sec":21.200000,"dir":"north"},"lon":{"deg":0,"min":29,"sec":24.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4530.000000,"unit":"ft"}}},"eta":{"hour":9,"min":39,"sec":54},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}}}},{"waypoint_data":{"lat":{"deg":51,"min":2,"sec":21.200000,"dir":"north"},"lon":{"deg":0,"min":29,"sec":24.300000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":4530.000000,"unit":"ft"}}},"eta":{"hour":9,"min":39,"sec":54},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":220.000000,"unit":"kts"}}},"vertical_type":["start of speed change"]}},{"waypoint_data":{"lat":{"deg":51,"min":6,"sec":41.400000,"dir":"north"},"lon":{"deg":0,"min":27,"sec":20.100000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":3190.000000,"unit":"ft"}}},"waypoint_name":"IGG96","eta":{"hour":9,"min":41,"sec":46},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":179.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}}}},{"waypoint_data":{"lat":{"deg":51,"min":6,"sec":54.300000,"dir":"north"},"lon":{"deg":0,"min":25,"sec":46.800000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":2990.000000,"unit":"ft"}}},"waypoint_name":"IGG86","eta":{"hour":9,"min":42,"sec":6},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":171.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"at","alt":{"val":3000.000000,"unit":"ft"}}}]}}}},{"waypoint_data":{"lat":{"deg":51,"min":8,"sec":45.600000,"dir":"north"},"lon":{"deg":0,"min":12,"sec":24.600000,"dir":"west"},"epp_level":{"choice":"qNEAltitude","data":{"alt_qne":{"val":250.000000,"unit":"ft"}}},"waypoint_name":"EGKK","eta":{"hour":9,"min":45,"sec":38},"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":129.000000,"unit":"kts"}}},"lateral_type":{"fly_by":{"choice":"turnRadiusNotAvailable","data":{"turn_radius_not_available":{}}},"flight_plan_waypoint":{}},"level_constraint":{"choice":"single-level","data":{"single_level_sequence":[{"single_level":{"level_constraint_type":"at","alt":{"val":250.000000,"unit":"ft"}}}]}}}}],"gross_mass":{"val":60990.000000,"unit":"kg"},"trajectory_intent_status":{"lateral_flight_managed":true,"vertical_flight_managed":true,"speed_managed":true,"time_managed":false}},"speed_schedule_profile":{"predicted_gross_mass_at_top_of_descent":{"val":60980.000000,"unit":"kg"},"initial_cruise_speed_at_top_of_climb":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.770000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.718000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]},"final_cruise_speed_at_top_of_descent":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.770000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.717000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]},"descent_speed":[{"single_speed_schedule":{"nominal_speed":{"choice":"ias","data":{"ias":{"val":270.000000,"unit":"kts"}}},"min_max_speed":[{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":225.000000,"unit":"kts"}}}},{"speed_ias_mach":{"choice":"ias","data":{"ias":{"val":340.000000,"unit":"kts"}}}}]}},{"single_speed_schedule":{"nominal_speed":{"choice":"mach","data":{"mach":{"val":0.770000,"unit":""}}},"min_max_speed":[{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.717000,"unit":""}}}},{"speed_ias_mach":{"choice":"mach","data":{"mach":{"val":0.800000,"unit":""}}}}]}}]}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":58762},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752330,"noise_level":-17.366982,"freq_skew":-1.970355,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.100002,"lon":3.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873470,"usec":831724},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.227530,"noise_level":-17.871916,"freq_skew":2.501082,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221516","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873471,"usec":583553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556828,"noise_level":-17.757103,"freq_skew":2.643246,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873471,"usec":584796},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754844,"noise_level":-18.324488,"freq_skew":-2.128254,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20073534","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,119,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873472,"usec":348365},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839509,"noise_level":-18.091293,"freq_skew":-2.030430,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKA","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"RK7381","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873473,"usec":120733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986983,"noise_level":-17.918709,"freq_skew":-1.937857,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873473,"usec":874190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652538,"noise_level":-17.769619,"freq_skew":-2.782057,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873476,"usec":163556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100437,"noise_level":-18.245283,"freq_skew":-2.146499,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873477,"usec":682647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.306271,"noise_level":-18.021091,"freq_skew":2.687087,"avlc":{"src":{"addr":"407D22","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":218125},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.173990,"noise_level":-17.724253,"freq_skew":2.452938,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"FR09ET","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":225990},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041162,"noise_level":-17.631178,"freq_skew":-0.143190,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":1.700000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":225990},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.041162,"noise_level":-17.631178,"freq_skew":-0.143190,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EI052X","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":227873},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.363644,"noise_level":-17.624567,"freq_skew":0.092567,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":969708},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222996,"noise_level":-17.578438,"freq_skew":2.555128,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[84,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873479,"usec":976795},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268773,"noise_level":-17.499922,"freq_skew":-2.018800,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[174,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873480,"usec":740426},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.910823,"noise_level":-17.648952,"freq_skew":2.606318,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR09ET","msg_num":"D11","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526081213,737789 ,BCG3AL2000002,.795,,452.2,252.0,,,-32.37,,,38000,,,147688,,,2337,2312,,, 85.31, 85.34,,, 5.9,438.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 45.2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873481,"usec":519152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967973,"noise_level":-17.445929,"freq_skew":-1.866278,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873483,"usec":29919},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.787749,"noise_level":-17.159414,"freq_skew":2.093648,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873483,"usec":36868},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925815,"noise_level":-17.103228,"freq_skew":0.071158,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EI052X","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873483,"usec":36868},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.925815,"noise_level":-17.103228,"freq_skew":0.071158,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873483,"usec":38826},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645307,"noise_level":-18.069876,"freq_skew":-2.499254,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"OR0367","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873483,"usec":42274},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783064,"noise_level":-18.924009,"freq_skew":0.360346,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873484,"usec":555711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313714,"noise_level":-18.592751,"freq_skew":-1.589323,"avlc":{"src":{"addr":"C06120","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873484,"usec":556919},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739050,"noise_level":-18.570618,"freq_skew":-2.743438,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"OR0367","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873484,"usec":560927},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037733,"noise_level":-18.519196,"freq_skew":2.313218,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"_d","blk_id":"8","ack":"D","flight":"FR09ET","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873485,"usec":313053},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891226,"noise_level":-18.431742,"freq_skew":2.432118,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[84,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873485,"usec":322598},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913059,"noise_level":-18.316490,"freq_skew":2.388871,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR09ET","msg_num":"D11","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526081213,737789 ,BCG3AL2000002,.795,,452.2,252.0,,,-32.37,,,38000,,,147688,,,2337,2312,,, 85.31, 85.34,,, 5.9,438.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 45.2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873486,"usec":70632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.096713,"noise_level":-18.280787,"freq_skew":2.092069,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873486,"usec":77149},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905496,"noise_level":-18.209816,"freq_skew":-2.780521,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"OR0367","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873486,"usec":82641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142864,"noise_level":-18.990452,"freq_skew":2.230179,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873486,"usec":844724},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117971,"noise_level":-18.837154,"freq_skew":0.104703,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EI052X","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873486,"usec":844724},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.117971,"noise_level":-18.837154,"freq_skew":0.104703,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873489,"usec":131923},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758302,"noise_level":-18.938602,"freq_skew":-2.579307,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT01;PG1;REAL;SW030M1GV01\r\n1 METRIC UNITS\r\n2 22;315;318\r\n3 21;24;23;23;22\r\n4 23;23\r\n5 22;23;23;23;23\r\n6 23;23\r\n7 23;25;14;9;10\r\n8 12;8;8;11;11\r\n9 0.20;OFF;OFF;0.22;0.25\r\n10 0.16;0.04;0.17\r\n11 ON;O"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873489,"usec":885622},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530639,"noise_level":-18.839245,"freq_skew":-2.848187,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"OR0367","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873489,"usec":887392},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.351504,"noise_level":-20.035782,"freq_skew":-1.675497,"avlc":{"src":{"addr":"C06120","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".C-GKUH","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"AC0867","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873490,"usec":640209},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907386,"noise_level":-19.811920,"freq_skew":0.137134,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"EI052X","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873490,"usec":640209},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.907386,"noise_level":-19.811920,"freq_skew":0.137134,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873490,"usec":644735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130179,"noise_level":-19.752625,"freq_skew":-0.028407,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873490,"usec":645288},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916096,"noise_level":-19.752625,"freq_skew":-0.044861,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":1.700000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873491,"usec":408956},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766469,"noise_level":-19.626907,"freq_skew":-2.668843,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"B","sublabel":"EI","msg_text":"N;ON\r\n12 ON;ON;ON;ON\r\n13 35.6;35.4;35.6;35.4\r\n14 80;83;76;81\r\n15 1;1;1;1\r\n16 5.0;5.0;5.0;5.3\r\n17 17.1;17.2;17.4;17.7\r\n18 0.35;0.32;0.21;0.26\r\n19 132;122;130;122\r\n20 0.23;0.23;0.17;0.17\r\n21 2.1;2.1;0.6;0.6\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873491,"usec":409413},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.158648,"noise_level":-19.626907,"freq_skew":0.039311,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EI052X","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873491,"usec":409413},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.158648,"noise_level":-19.626907,"freq_skew":0.039311,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873492,"usec":157640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.440583,"noise_level":-20.190790,"freq_skew":0.572189,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873492,"usec":169749},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069724,"noise_level":-20.006304,"freq_skew":-0.017219,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":142,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,73,78,0,76,171,211],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873492,"usec":918298},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955246,"noise_level":-19.876888,"freq_skew":0.125579,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873492,"usec":922796},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981990,"noise_level":-19.808647,"freq_skew":2.430457,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR09ET","msg_num":"D11","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526081213,737789 ,BCG3AL2000002,.795,,452.2,252.0,,,-32.37,,,38000,,,147688,,,2337,2312,,, 85.31, 85.34,,, 5.9,438.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 45.2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873492,"usec":924469},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325468,"noise_level":-19.791670,"freq_skew":0.354346,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"KL0615","msg_num":"D89","msg_num_seq":"A","sublabel":"DF","msg_text":"(POS-KLM615 -5308N00245E/091811 F230\r\nRMK/FUEL 56.6 M0.79)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873494,"usec":489723},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.996327,"noise_level":-19.401976,"freq_skew":1.176356,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62013,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[16,161,163,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873494,"usec":489903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700794,"noise_level":-19.401976,"freq_skew":0.569595,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873495,"usec":257895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.132822,"noise_level":-19.209528,"freq_skew":0.871432,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873495,"usec":993557},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727841,"noise_level":-19.114880,"freq_skew":-2.862996,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"C","sublabel":"EI","msg_text":"22 0.43;0.43;0.24;0.24\r\n23 OFF;OFF\r\n24 ;27;MAY;26;09:18:04\r\nRPT01;PG2;REAL;SW030M1GV01\r\n1 METRIC UNITS\r\n2 57.2;56.8;0.99;0.98\r\n3 59.6;59.2;0.62;0.62\r\n4 45;48;0.98;0.98\r\n5 -13;-15;0.66;0.65\r\n6 13;15;0."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873496,"usec":771109},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053158,"noise_level":-20.128012,"freq_skew":-0.062960,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":143,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":3,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,73,78,0,76,171,211]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,73,78,0,76,171,211]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873496,"usec":771109},"freq":136975000,"burst_len_octets":244,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.053158,"noise_level":-20.128012,"freq_skew":-0.062960,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":144,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":4,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,69,73,78,0,76,171,211]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,69,73,78,0,76,171,211]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873496,"usec":784491},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159171,"noise_level":-19.962122,"freq_skew":-2.709773,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":263,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873497,"usec":528071},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815311,"noise_level":-20.078300,"freq_skew":-2.596073,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"D","sublabel":"EI","msg_text":"86;0.85\r\n7 7;7;0.02;0.00\r\n8 4.8;4.7;9.6;10.0\r\n9 0.98;0.38;5.9;6.4\r\n10 TRACKING;CONTROL;TRACKING;CONTROL\r\n11 24;25;72\r\n12 52;52;-3\r\n13 36000;CRUISE\r\n14 280;-56\r\n15 NORM;NORM\r\n16 NORM;NORM\r\n17 NORM;NORM\r\n1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873497,"usec":528718},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226748,"noise_level":-20.078300,"freq_skew":0.192459,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":145,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873497,"usec":528998},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045707,"noise_level":-20.302990,"freq_skew":2.541089,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"_d","blk_id":"0","ack":"E","flight":"FR09ET","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873498,"usec":302780},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690469,"noise_level":-20.204611,"freq_skew":-0.073359,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873498,"usec":306219},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331059,"noise_level":-20.160257,"freq_skew":0.437669,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"83","blk_id":"9","ack":"!","flight":"KL0615","msg_num":"M60","msg_num_seq":"A","msg_text":"EHAM,KPDX,270918, 53.14, 2.73,23336,345,- 65.5, 56500"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873498,"usec":311452},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284113,"noise_level":-20.116131,"freq_skew":0.066551,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"EI052X","msg_num":"S83","msg_num_seq":"A","msg_text":"0EV091816VS","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":18,"sec":16}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873499,"usec":810153},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848853,"noise_level":-20.339968,"freq_skew":-2.817530,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"E","sublabel":"EI","msg_text":"RPT01;PG1;REAL;SW030M1GV01\r\n1 METRIC UNITS\r\n2 22;315;318\r\n3 21;24;23;23;22\r\n4 23;23\r\n5 22;23;23;23;23\r\n6 23;23\r\n7 23;25;14;9;10\r\n8 12;8;8;11;11\r\n9 0.20;OFF;OFF;0.22;0.25\r\n10 0.16;0.04;0.17\r\n11 ON;ON;ON\r\n12 ON;ON;ON;ON\r\n13 35.6;35.4;35.6;35.4\r\n14 80;83;76;81\r\n15 1;1;1;1\r\n16 5.0;5.0;5.0;5.3\r\n17 17.1;17.2;17.4;17.7\r\n18 0.35;0.32;0.21;0.26\r\n19 132;122;130;122\r\n20 0.23;0.23;0.17;0.17\r\n21 2.1;2.1;0.6;0.6\r\n22 0.43;0.43;0.24;0.24\r\n23 OFF;OFF\r\n24 ;27;MAY;26;09:18:04\r\nRPT01;PG2;REAL;SW030M1GV01\r\n1 METRIC UNITS\r\n2 57.2;56.8;0.99;0.98\r\n3 59.6;59.2;0.62;0.62\r\n4 45;48;0.98;0.98\r\n5 -13;-15;0.66;0.65\r\n6 13;15;0.86;0.85\r\n7 7;7;0.02;0.00\r\n8 4.8;4.7;9.6;10.0\r\n9 0.98;0.38;5.9;6.4\r\n10 TRACKING;CONTROL;TRACKING;CONTROL\r\n11 24;25;72\r\n12 52;52;-3\r\n13 36000;CRUISE\r\n14 280;-56\r\n15 NORM;NORM\r\n16 NORM;NORM\r\n17 NORM;NORM\r\n18 NORM;NORM\r\n19 ;27;MAY;26;09:18:04"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873499,"usec":812141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513278,"noise_level":-21.441507,"freq_skew":0.741913,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873499,"usec":817222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781931,"noise_level":-21.370026,"freq_skew":-0.016888,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873499,"usec":820109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809175,"noise_level":-21.319323,"freq_skew":0.285360,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873502,"usec":100022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043296,"noise_level":-20.555183,"freq_skew":0.090042,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873502,"usec":100973},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008935,"noise_level":-21.020344,"freq_skew":-0.013136,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873502,"usec":874092},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744620,"noise_level":-20.817585,"freq_skew":2.525471,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"FR09ET","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873503,"usec":623360},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626633,"noise_level":-20.572933,"freq_skew":-2.844538,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"OR0367","msg_num":"E79","msg_num_seq":"E","sublabel":"EI","msg_text":"8 NORM;NORM\r\n19 ;27;MAY;26;09:18:04"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873503,"usec":624368},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992795,"noise_level":-21.651974,"freq_skew":2.392232,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR09ET","msg_num":"D11","msg_num_seq":"B","sublabel":"DF","msg_text":"792,,, 11.4958,,, -19.25,,, 1.4,,, -17.9,,, -0.005,-0.010,,,,6.710,,14174, 6994, 7175, 0,, 0,,, 2069, 2052,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873505,"usec":146504},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049309,"noise_level":-21.231585,"freq_skew":-0.092236,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873505,"usec":152707},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749619,"noise_level":-21.122173,"freq_skew":-2.765766,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"BA","blk_id":"9","ack":"!","flight":"OR0367","msg_num":"L93","msg_num_seq":"A","msg_text":"/SOUCAYA.AT1.PH-TFM63949493007B69","arinc622":{"msg_type":"fans1a_cpdlc_msg","crc_ok":true,"gs_addr":"SOUCAYA","air_addr":".PH-TFM","cpdlc":{"err":false,"atc_downlink_msg":{"header":{"msg_id":7,"msg_ref":10,"timestamp":{"hour":9,"min":18,"sec":19}},"atc_downlink_msg_element_id":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873505,"usec":912208},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.375422,"noise_level":-21.445465,"freq_skew":0.786035,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873508,"usec":187221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243637,"noise_level":-20.746025,"freq_skew":-2.619014,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873508,"usec":192914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.353613,"noise_level":-21.813700,"freq_skew":1.057923,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873508,"usec":198364},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.092862,"noise_level":-21.728497,"freq_skew":2.270334,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR09ET","msg_num":"D11","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526081213,737789 ,BCG3AL2000002,.795,,452.2,252.0,,,-32.37,,,38000,,,147688,,,2337,2312,,, 85.31, 85.34,,, 5.9,438.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 45.2792,,, 11.4958,,, -19.25,,, 1.4,,, -17.9,,, -0.005,-0.010,,,,6.710,,14174, 6994, 7175, 0,, 0,,, 2069, 2052,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -22.134, -20.788,,,101.1,101.8,, 17, 18,,,,756.5,730.1,,,,,,,-59.3,,, -0.6,,, 0.2,,, 2.8,,, -1.8, 0.6, 0.6, 1.4, -0.1,,, -0.6,, 2.7, 2.8,,, 0.4, 0.9,,,-0.00,,,-0.00,,, 1.00,,, 0.064,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873508,"usec":958642},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.828107,"noise_level":-21.696758,"freq_skew":-0.008166,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873509,"usec":715607},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804152,"noise_level":-21.395796,"freq_skew":2.307232,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55895,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[152,73]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873509,"usec":726993},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733913,"noise_level":-21.274246,"freq_skew":-2.588996,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"OR0367","msg_num":"E80","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT09;PG1;REAL;SW030M1G\r\n1 \r\n2 234;234;235;234;0;0\r\n3 666;666;666;665;0;0\r\n4 0.49;0.54;0.44;0.57;0.00;0.00\r\n5 0;0;0;0\r\n6 0;0;180;0;0\r\n7 0.00;0.00;0.00;0.00\r\n8 280;280;281;283\r\n9 282;281;282;282\r\n10"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873511,"usec":250364},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746618,"noise_level":-21.872406,"freq_skew":-2.727459,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"OR0367","msg_num":"E80","msg_num_seq":"B","sublabel":"EI","msg_text":" 117;110\r\n11 0.60;0.54;0.48;0.71;0.13;0.15\r\n12 31;31;31;31;31;31\r\n13 0;;50;41;46;55;0;\r\n14 -4;74;72;74\r\n15 ;17;16;19\r\n16 --;--;--;--\r\n17 NORMAL;NORMAL;NORMAL;NORMAL\r\n18 ;27;MAY;26;09:18:08\r\nRPT09;PG2;REAL;S"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873512,"usec":4016},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.292880,"noise_level":-22.942028,"freq_skew":0.955886,"avlc":{"src":{"addr":"4080C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873512,"usec":761759},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523062,"noise_level":-22.560522,"freq_skew":0.611432,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"0","ack":"O","flight":"KL0615","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873513,"usec":523699},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759887,"noise_level":-22.410200,"freq_skew":-2.888713,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"OR0367","msg_num":"E80","msg_num_seq":"C","sublabel":"EI","msg_text":"W030M1G\r\n1 1;1;1;1;1\r\n2 0;0\r\n3 0;0\r\n4 0\r\n5 80;16;0;84;0\r\n6 167;64;0;164;2\r\n7 1185;144;0;1180;0\r\n8 36;34;25;37;25\r\n9 1;1;0;1;1\r\n10 0;0;0\r\n11 0;1;0\r\n12 0\r\n13 0\r\n14 77;0;19;80;0\r\n15 167;0;113;166;2\r\n1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873513,"usec":526123},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911890,"noise_level":-23.296087,"freq_skew":2.218963,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55895,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[152,73]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873514,"usec":290094},"freq":136975000,"burst_len_octets":186,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761458,"noise_level":-22.899065,"freq_skew":-2.740223,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"OR0367","msg_num":"E80","msg_num_seq":"D","sublabel":"EI","msg_text":"RPT09;PG1;REAL;SW030M1G\r\n1 \r\n2 234;234;235;234;0;0\r\n3 666;666;666;665;0;0\r\n4 0.49;0.54;0.44;0.57;0.00;0.00\r\n5 0;0;0;0\r\n6 0;0;180;0;0\r\n7 0.00;0.00;0.00;0.00\r\n8 280;280;281;283\r\n9 282;281;282;282\r\n10 117;110\r\n11 0.60;0.54;0.48;0.71;0.13;0.15\r\n12 31;31;31;31;31;31\r\n13 0;;50;41;46;55;0;\r\n14 -4;74;72;74\r\n15 ;17;16;19\r\n16 --;--;--;--\r\n17 NORMAL;NORMAL;NORMAL;NORMAL\r\n18 ;27;MAY;26;09:18:08\r\nRPT09;PG2;REAL;SW030M1G\r\n1 1;1;1;1;1\r\n2 0;0\r\n3 0;0\r\n4 0\r\n5 80;16;0;84;0\r\n6 167;64;0;164;2\r\n7 1185;144;0;1180;0\r\n8 36;34;25;37;25\r\n9 1;1;0;1;1\r\n10 0;0;0\r\n11 0;1;0\r\n12 0\r\n13 0\r\n14 77;0;19;80;0\r\n15 167;0;113;166;2\r\n16 1186;0;1134;1181;0\r\n17 36;26;31;35;24\r\n18 ON;ON;ON;ON\r\n19 ON;ON;ON;ON\r\n20 ON;ON\r\n21 ON;ON\r\n22 ON\r\n23 ON\r\n24 ON\r\n25 ;27;MAY;26;09:18:08\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873515,"usec":49639},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037739,"noise_level":-22.496216,"freq_skew":2.177010,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53617,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[149,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873516,"usec":584746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.214527,"noise_level":-22.539726,"freq_skew":0.391394,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"CZ2531","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873517,"usec":333694},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109900,"noise_level":-22.231102,"freq_skew":0.683543,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873518,"usec":858378},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555171,"noise_level":-21.814516,"freq_skew":2.144324,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873518,"usec":860542},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406878,"noise_level":-22.121706,"freq_skew":0.536578,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873518,"usec":866391},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.212500,"noise_level":-22.011513,"freq_skew":0.508508,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-BKH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"KL0615","msg_num":"E91","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT19;PG1;REAL;SW030M4G\r\n1 0;0;0;0;0;0;0;0\r\n2 RELEASE;197;198\r\n3 NOT SET\r\n4 ;0.6;0.4;;;0.0;0.0;\r\n5 ;;249;241;;;;;246;246;;\r\n6 ;;;;;;;;;;;\r\n7 ;;;\r\n8 ;0.0;0.0;;;0.0;0.0;\r\n9 ;;245;247;;;;;247;247;;\r\n1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873519,"usec":632790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.735698,"noise_level":-21.913525,"freq_skew":2.400459,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873519,"usec":641926},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837132,"noise_level":-21.827694,"freq_skew":-1.869308,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":3.500000},"alt":0}},{"name":"alternate_ground_stations","value":["1096EA","10930A","10934A","1094AA","10956A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873520,"usec":391740},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123034,"noise_level":-21.689436,"freq_skew":0.648600,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"KL0615","msg_num":"E91","msg_num_seq":"B","sublabel":"EI","msg_text":"RPT19;PG1;REAL;SW030M4G\r\n1 0;0;0;0;0;0;0;0\r\n2 RELEASE;197;198\r\n3 NOT SET\r\n4 ;0.6;0.4;;;0.0;0.0;\r\n5 ;;249;241;;;;;246;246;;\r\n6 ;;;;;;;;;;;\r\n7 ;;;\r\n8 ;0.0;0.0;;;0.0;0.0;\r\n9 ;;245;247;;;;;247;247;;\r\n10 ;;;;;;;;;;;\r\n11 ;;;\r\n12 ;27;MAY;26;09:18:34\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873521,"usec":136605},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682556,"noise_level":-21.480940,"freq_skew":-1.777800,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073534","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,119,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873521,"usec":908559},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.004592,"noise_level":-21.237173,"freq_skew":2.496542,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR09ET","msg_num":"D12","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526090556,737789 ,BCG3AL2000002,.795,,454.2,251.9,,,-30.75,,,38002,,,143637,,,2301,2278,,, 85.20, 85.14,,, 2.4,432.2,,,0,0,,0,0,,0,0,0,0,0,0,,, 50.3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873521,"usec":910448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515832,"noise_level":-21.207178,"freq_skew":-2.170750,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"RK7381","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873521,"usec":914335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345434,"noise_level":-21.147497,"freq_skew":0.525735,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873522,"usec":662191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724729,"noise_level":-21.058735,"freq_skew":-2.926498,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873523,"usec":432849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.406356,"noise_level":-21.867088,"freq_skew":0.736872,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873523,"usec":436723},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.989338,"noise_level":-21.792030,"freq_skew":2.426739,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR09ET","msg_num":"D12","msg_num_seq":"B","sublabel":"DF","msg_text":"158,,, 5.7753,,, -54.77,,, 2.9,,, -51.8,,, -0.003,-0.000,,,,6.780,,10131, 4970, 5160, 0,, 0,,, 4161, 4127,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873523,"usec":439650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610910,"noise_level":-21.749430,"freq_skew":-1.968453,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873524,"usec":965310},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248652,"noise_level":-21.233835,"freq_skew":-1.729983,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873526,"usec":484831},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652743,"noise_level":-20.728226,"freq_skew":-2.772547,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT13;PG1;REAL;SW030M1G\r\n1 \r\n2 \r\n3 +0.1;+2.5;283\r\n4 36000\r\n5 0.0;0.0;0.0;0.0;0.0\r\n6 0.0;0.0;+0.1;0.0;+0.1\r\n7 0.0;0.0;0.0;0.0;0.0\r\n8 0.0;+0.2;+0.1;0.0;+0.1;+0.1\r\n9 0.0;+0.2;+0.1;0.0;+0.1;+0.1\r\n10 0."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873528,"usec":8323},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194644,"noise_level":-20.385582,"freq_skew":2.086988,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[111,163,214,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873529,"usec":524691},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975762,"noise_level":-19.960310,"freq_skew":-0.007951,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,71,66,0,1,84,84,1,1,0,0,69,83,48,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":146,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53590,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[144,1,119,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873529,"usec":528435},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963725,"noise_level":-20.592979,"freq_skew":2.427820,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR09ET","msg_num":"D12","msg_num_seq":"B","sublabel":"DF","msg_text":"158,,, 5.7753,,, -54.77,,, 2.9,,, -51.8,,, -0.003,-0.000,,,,6.780,,10131, 4970, 5160, 0,, 0,,, 4161, 4127,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":44340},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655147,"noise_level":-20.193138,"freq_skew":2.410490,"avlc":{"src":{"addr":"3C07FC","type":"Aircraft","status":"On ground"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DASAP","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"GS0000","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":45131},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272070,"noise_level":-21.222034,"freq_skew":2.353250,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":1.400000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":51940},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670366,"noise_level":-21.886822,"freq_skew":-2.887253,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"B","sublabel":"EI","msg_text":"0;+0.2;+0.1;0.0;+0.1;+0.1\r\n11 +0.2;+0.1\r\n12 -1.0;-0.3\r\n13 -0.6;+0.4;-1.8;-0.1\r\n14 -2;-3;+8;-4;+3;+2\r\n15 -6.0;+0.01;+1.31;0.0;0.0\r\n16 -6.7;0.00;+1.32;0.0;0.0\r\n17 -6.7;+0.01;0.0;0.0\r\n18 -6.3\r\n19 NORMAL;NO ACT"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":812782},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541123,"noise_level":-22.554020,"freq_skew":2.040277,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[111,163,214,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":816215},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068584,"noise_level":-22.507524,"freq_skew":-2.113997,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55790,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[195,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":823734},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592399,"noise_level":-22.592003,"freq_skew":-2.972698,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"C","sublabel":"EI","msg_text":"IVITY;\r\n20 0.0;;\r\n21 0.0;ENGAGED;;\r\n22 ;27;MAY;26;09:18:27\r\nRPT13;PG2;REAL;SW030M1G\r\n1 \r\n2 \r\n3 242.7;-1.58;5036;244.5;-2.32\r\n4 248.8;-1.53;4972;248.1;-2.27\r\n5 243.5;-1.57;5036;241.5;+0.06;BRK\r\n6 242.7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873531,"usec":825229},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181964,"noise_level":-23.583689,"freq_skew":-1.773864,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3890,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55790,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[7,4]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":18,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873532,"usec":575140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319674,"noise_level":-23.312405,"freq_skew":-0.119208,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873533,"usec":329714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524843,"noise_level":-23.024693,"freq_skew":-2.162576,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873533,"usec":330324},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847993,"noise_level":-23.012398,"freq_skew":-2.821789,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"D","sublabel":"EI","msg_text":";+0.04;BRK;242.6;+0.09;BRK\r\n7 241.7;+0.01;BRK;243.4;-1.57\r\n8 248.2;-2.27;248.7;-1.54\r\n9 244.4;-2.33;ON;ON;ON;ON;242.7;-1.58\r\n10 +0.12;+0.09;+0.04;+0.07\r\n11 +5120;+5299;+5538;+5463\r\n12 -0.12;-0.10;-0.10;-"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873534,"usec":855541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444389,"noise_level":-23.091963,"freq_skew":2.294879,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873534,"usec":859134},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708197,"noise_level":-23.326788,"freq_skew":-2.765219,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"E","sublabel":"EI","msg_text":"0.12\r\n13 -1795;-1742;-1732;-1760\r\n14 52.2;29.4;+0.01;+97;52.5;31.3\r\n15 52.5;31.4;+0.01;+97;52.0;29.8\r\n16 +0.02;+30\r\n17 -0.022;-1.81\r\n18 0.111;-1.61;ACT;51.9;39.9\r\n19 0.115;-1.99;ACT;51.9;40.2\r\n20 +0.24;+0.2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873535,"usec":613530},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826542,"noise_level":-23.212879,"freq_skew":2.379377,"avlc":{"src":{"addr":"3C07FC","type":"Aircraft","status":"On ground"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873535,"usec":621309},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660746,"noise_level":-23.038607,"freq_skew":0.686958,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":215,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873536,"usec":394693},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742324,"noise_level":-22.747755,"freq_skew":-2.805845,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"F","sublabel":"EI","msg_text":"5;+0.24;+0.25\r\n21 +470;+623;+608;+466\r\n22 ;27;MAY;26;09:18:27\r\nRPT13;PG3;REAL;SW030M1G\r\n1 AUTO;AUTO;AUTO;AUTO\r\n2 NORM;NORM;NORM;NORM\r\n3 LOW\r\n4 NO\r\n5 NO\r\n6 NO\r\n7 NO\r\n8 NO\r\n9 NO\r\n10 NO\r\n11 NO\r\n12 NO\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873537,"usec":894967},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510077,"noise_level":-22.283651,"freq_skew":-1.923030,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3891,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55790,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[16,17]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":18,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873538,"usec":676874},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067891,"noise_level":-21.864601,"freq_skew":2.563347,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR09ET","msg_num":"D12","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526090556,737789 ,BCG3AL2000002,.795,,454.2,251.9,,,-30.75,,,38002,,,143637,,,2301,2278,,, 85.20, 85.14,,, 2.4,432.2,,,0,0,,0,0,,0,0,0,0,0,0,,, 50.3158,,, 5.7753,,, -54.77,,, 2.9,,, -51.8,,, -0.003,-0.000,,,,6.780,,10131, 4970, 5160, 0,, 0,,, 4161, 4127,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -56.166, -53.276,,,101.1,101.7,, 16, 18,,,,762.8,733.6,,,,,,,-58.0,,, -0.9,,, 0.1,,, 2.6,,, -1.8, 0.6, 0.6, 0.8, -0.0,,, -0.5,, 2.9, 3.0,,, 0.6, 1.0,,,-0.00,,,-0.00,,, 1.01,,, 0.004,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873539,"usec":419537},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642676,"noise_level":-21.843094,"freq_skew":1.473703,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[172,122,85,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873539,"usec":421567},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573678,"noise_level":-22.820768,"freq_skew":0.935402,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873539,"usec":429846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699376,"noise_level":-22.654116,"freq_skew":-2.086265,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873540,"usec":189013},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471921,"noise_level":-22.548645,"freq_skew":2.540035,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":1.400000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873540,"usec":195554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680760,"noise_level":-23.052372,"freq_skew":1.558455,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873540,"usec":947024},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798027,"noise_level":-22.869165,"freq_skew":1.576781,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9669,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[234,72]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873540,"usec":949623},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721496,"noise_level":-22.820957,"freq_skew":-2.152456,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55790,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[191,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873540,"usec":958412},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877592,"noise_level":-22.642515,"freq_skew":-2.875143,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"G","sublabel":"EI","msg_text":"\n13 NO\r\n14 NO\r\n15 NO\r\n16 NO\r\n17 YES\r\n18 ENGD\r\n19 YES\r\n20 ENGD\r\n21 NO\r\n22 NO\r\n23 NO\r\n24 NO\r\n25 NO\r\n26 NO\r\n27 NO\r\n28 NO\r\n29 ;27;MAY;26;09:18:27\r\nRPT13;PG4;REAL;SW030M1G\r\n1 NO;NO\r\n2 NO;NO\r\n3 NORMAL;NORMAL\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873542,"usec":483187},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872725,"noise_level":-23.348480,"freq_skew":-2.907468,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"H","sublabel":"EI","msg_text":"4 SELECTED;SELECTED;SELECTED\r\n5 AVAILABLE;AVAILABLE;SELECTED;AVAILABLE\r\n6 AVAILABLE;AVAILABLE\r\n7 AVAILABLE;AVAILABLE\r\n8 31.7;31.7;30.9;31.7\r\n9 234\r\n10 28.0;28.0;234\r\n11 0.0;0.0;235\r\n12 0.0;0.0;234\r\n13"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873543,"usec":241061},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765401,"noise_level":-22.900457,"freq_skew":-2.731056,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"I","sublabel":"EI","msg_text":"RPT13;PG1;REAL;SW030M1G\r\n1 \r\n2 \r\n3 +0.1;+2.5;283\r\n4 36000\r\n5 0.0;0.0;0.0;0.0;0.0\r\n6 0.0;0.0;+0.1;0.0;+0.1\r\n7 0.0;0.0;0.0;0.0;0.0\r\n8 0.0;+0.2;+0.1;0.0;+0.1;+0.1\r\n9 0.0;+0.2;+0.1;0.0;+0.1;+0.1\r\n10 0.0;+0.2;+0.1;0.0;+0.1;+0.1\r\n11 +0.2;+0.1\r\n12 -1.0;-0.3\r\n13 -0.6;+0.4;-1.8;-0.1\r\n14 -2;-3;+8;-4;+3;+2\r\n15 -6.0;+0.01;+1.31;0.0;0.0\r\n16 -6.7;0.00;+1.32;0.0;0.0\r\n17 -6.7;+0.01;0.0;0.0\r\n18 -6.3\r\n19 NORMAL;NO ACTIVITY;\r\n20 0.0;;\r\n21 0.0;ENGAGED;;\r\n22 ;27;MAY;26;09:18:27\r\nRPT13;PG2;REAL;SW030M1G\r\n1 \r\n2 \r\n3 242.7;-1.58;5036;244.5;-2.32\r\n4 248.8;-1.53;4972;248.1;-2.27\r\n5 243.5;-1.57;5036;241.5;+0.06;BRK\r\n6 242.7;+0.04;BRK;242.6;+0.09;BRK\r\n7 241.7;+0.01;BRK;243.4;-1.57\r\n8 248.2;-2.27;248.7;-1.54\r\n9 244.4;-2.33;ON;ON;ON;ON;242.7;-1.58\r\n10 +0.12;+0.09;+0.04;+0.07\r\n11 +5120;+5299;+5538;+5463\r\n12 -0.12;-0.10;-0.10;-0.12\r\n13 -1795;-1742;-1732;-1760\r\n14 52.2;29.4;+0.01;+97;52.5;31.3\r\n15 52.5;31.4;+0.01;+97;52.0;29.8\r\n16 +0.02;+30\r\n17 -0.022;-1.81\r\n18 0.111;-1.61;ACT;51.9;39.9\r\n19 0.115;-1.99;ACT;51.9;40.2\r\n20 +0.24;+0.25;+0.24;+0.25\r\n21 +470;+623;+608;+466\r\n22 ;27;MAY;26;09:18:27\r\nRPT13;PG3;REAL;SW030M1G\r\n1 AUTO;AUTO;AUTO;AUTO\r\n2 NORM;NORM;NORM;NORM\r\n3 LOW\r\n4 NO\r\n5 NO\r\n6 NO\r\n7 NO\r\n8 NO\r\n9 NO\r\n10 NO\r\n11 NO\r\n12 NO\r\n13 NO\r\n14 NO\r\n15 NO\r\n16 NO\r\n17 YES\r\n18 ENGD\r\n19 YES\r\n20 ENGD\r\n21 NO\r\n22 NO\r\n23 NO\r\n24 NO\r\n25 NO\r\n26 NO\r\n27 NO\r\n28 NO\r\n29 ;27;MAY;26;09:18:27\r\nRPT13;PG4;REAL;SW030M1G\r\n1 NO;NO\r\n2 NO;NO\r\n3 NORMAL;NORMAL\r\n4 SELECTED;SELECTED;SELECTED\r\n5 AVAILABLE;AVAILABLE;SELECTED;AVAILABLE\r\n6 AVAILABLE;AVAILABLE\r\n7 AVAILABLE;AVAILABLE\r\n8 31.7;31.7;30.9;31.7\r\n9 234\r\n10 28.0;28.0;234\r\n11 0.0;0.0;235\r\n12 0.0;0.0;234\r\n13 22.4;23.5\r\n14 ;27;MAY;26;09:18:27\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873543,"usec":245485},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.834641,"noise_level":-23.647440,"freq_skew":0.838292,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[6]},{"name":"dst_airport","value":"EGLC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873544,"usec":766377},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025713,"noise_level":-23.969070,"freq_skew":-1.973175,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55790,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[187,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873544,"usec":767438},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861947,"noise_level":-23.978310,"freq_skew":2.295000,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR09ET","msg_num":"D12","msg_num_seq":"C","sublabel":"DF","msg_text":"6.166, -53.276,,,101.1,101.7,, 16, 18,,,,762.8,733.6,,,,,,,-58.0,,, -0.9,,, 0.1,,, 2.6,,, -1.8, 0.6, 0.6, 0.8, -0.0,,, -0.5,, 2.9, 3.0,,, 0.6, 1.0,,,-0.00,,,-0.00,,, 1.01,,, 0.004,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873545,"usec":514302},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883359,"noise_level":-23.882713,"freq_skew":-2.048544,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55790,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[32,17]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873546,"usec":294175},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.041862,"noise_level":-23.523537,"freq_skew":1.628817,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9669,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[234,72]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873546,"usec":294346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702785,"noise_level":-23.523537,"freq_skew":2.365074,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873546,"usec":301093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.313949,"noise_level":-23.368547,"freq_skew":0.967876,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873547,"usec":45674},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585968,"noise_level":-23.266737,"freq_skew":-2.053526,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873547,"usec":813646},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442615,"noise_level":-22.846882,"freq_skew":-2.106533,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873547,"usec":819748},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741326,"noise_level":-23.104301,"freq_skew":2.589317,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR09ET","msg_num":"D13","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526091333,737789 ,BCG3AL2000002,.787,,451.2,249.2,,,-30.19,,,38002,,,143091,,,2283,2268,,, 85.71, 85.76,,, 3.8,424.5,,,0,0,,0,0,,0,0,0,0,0,0,,, 50.8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873548,"usec":576825},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840708,"noise_level":-23.091890,"freq_skew":-1.930005,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":55790,"variable_part_params":[{"name":"checksum","value":[170,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873548,"usec":585497},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689427,"noise_level":-22.932169,"freq_skew":-2.933686,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"OR0367","msg_num":"E81","msg_num_seq":"I","sublabel":"EI","msg_text":" 22.4;23.5\r\n14 ;27;MAY;26;09:18:27\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873548,"usec":587623},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689759,"noise_level":-22.895725,"freq_skew":-2.220846,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[163,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873550,"usec":86385},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817589,"noise_level":-22.504608,"freq_skew":2.241067,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR09ET","msg_num":"D13","msg_num_seq":"B","sublabel":"DF","msg_text":"256,,, 4.6049,,, -59.02,,, 2.3,,, -56.4,,, 0.016, 0.005,,,,6.782,, 9594, 4694, 4895, 0,, 0,,, 4449, 4412,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873550,"usec":857232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937107,"noise_level":-22.386974,"freq_skew":-2.824831,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873550,"usec":860325},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448232,"noise_level":-22.992966,"freq_skew":2.388989,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":1.400000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873551,"usec":622020},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484558,"noise_level":-23.478739,"freq_skew":2.559613,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873551,"usec":622967},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654118,"noise_level":-23.452850,"freq_skew":0.436958,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[6]},{"name":"dst_airport","value":"EGLC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873552,"usec":376691},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527873,"noise_level":-23.286415,"freq_skew":2.546194,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR98YP","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873553,"usec":919381},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689332,"noise_level":-23.296951,"freq_skew":2.728484,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873554,"usec":655343},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909026,"noise_level":-23.465784,"freq_skew":2.442403,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR09ET","msg_num":"D13","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A \r\nAPM 9H-VUO RYR9ET LIRZEGSS270526091333,737789 ,BCG3AL2000002,.787,,451.2,249.2,,,-30.19,,,38002,,,143091,,,2283,2268,,, 85.71, 85.76,,, 3.8,424.5,,,0,0,,0,0,,0,0,0,0,0,0,,, 50.8256,,, 4.6049,,, -59.02,,, 2.3,,, -56.4,,, 0.016, 0.005,,,,6.782,, 9594, 4694, 4895, 0,, 0,,, 4449, 4412,,, 0.0,,,,,151560,,,,,,133360,,,18200, 8410, 8300, 1500,, -,,, 60A211, 60A800,,,,,, -60.024, -57.423,,,101.5,102.2,, 16, 18,,,,771.9,744.4,,,,,,,-57.0,,, -0.7,,, 0.1,,, 2.8,,, -1.9, 0.6, 0.6, 0.6, 0.1,,, -0.5,, 3.0, 3.1,,, 0.6, 1.0,,,-0.00,,,-0.00,,, 1.01,,, -0.120,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873555,"usec":423777},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563604,"noise_level":-23.198099,"freq_skew":1.519978,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":135,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873555,"usec":426965},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675817,"noise_level":-23.148037,"freq_skew":2.612603,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873556,"usec":199876},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229877,"noise_level":-22.930157,"freq_skew":2.307923,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55895,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[179,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873556,"usec":968612},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719688,"noise_level":-22.761412,"freq_skew":2.530983,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55895,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":19,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873558,"usec":479407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.440244,"noise_level":-22.184179,"freq_skew":-1.985554,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873559,"usec":236327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952151,"noise_level":-21.941864,"freq_skew":1.304765,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873560,"usec":777390},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663718,"noise_level":-21.273108,"freq_skew":0.360262,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".A9C-FG","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"GF0002","msg_num":"D07","msg_num_seq":"A","sublabel":"DF","msg_text":"EB0031AA_ A9C-FG EGLLOBBI1\r\n 51431-0003020914 03463 1921400060H8/9W024057\r\n 51419-0002110915 04436 169164005010/9W004005\r\n 51403-0000950916 05599 136209005010PSZ008013\r\n 51392 0000270917 05656 1352190080907"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873560,"usec":784087},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596081,"noise_level":-21.853304,"freq_skew":0.688680,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[6]},{"name":"dst_airport","value":"EGLC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873561,"usec":534109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925980,"noise_level":-21.789032,"freq_skew":2.323707,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873561,"usec":537015},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727024,"noise_level":-21.825829,"freq_skew":0.755197,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":3,"calling_addr":"22240405","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,78,74,69,0,73,65,5,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873561,"usec":541456},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885648,"noise_level":-21.751127,"freq_skew":-2.102502,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[159,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873562,"usec":274797},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728859,"noise_level":-21.656013,"freq_skew":0.221430,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A9C-FG","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"GF0002","msg_num":"D07","msg_num_seq":"B","sublabel":"DF","msg_text":"EB0031AA_ A9C-FG EGLLOBBI1\r\n 51431-0003020914 03463 1921400060H8/9W024057\r\n 51419-0002110915 04436 169164005010/9W004005\r\n 51403-0000950916 05599 136209005010PSZ008013\r\n 51392 0000270917 05656 1352190080907GX019038\r\n 51385 0001510918 06249 121201007010/9W007013\r\n 51378 0002770919 08418 06722500401020;004005"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873563,"usec":54733},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896612,"noise_level":-21.890457,"freq_skew":0.207024,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":22,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[23,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873563,"usec":812096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088871,"noise_level":-21.499846,"freq_skew":0.367440,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873565,"usec":332810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645765,"noise_level":-21.214020,"freq_skew":0.603775,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873565,"usec":344023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162033,"noise_level":-21.016502,"freq_skew":0.753042,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873567,"usec":625158},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.281412,"noise_level":-20.322420,"freq_skew":1.138005,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"KL076U","msg_num":"C22","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_B_20260527091915S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 09:19:15\nA/C PH-EXK\nSWVER 27.1 APPVER S.4.3 APPNAME OEM.ACM\nSIZE 523\n170LDI27.4V27.1PM-V17.2\nR 2026MAY27 09:19:15 T 2026MAY27 09:19:15\n----"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873568,"usec":384923},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438388,"noise_level":-20.232738,"freq_skew":2.464570,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5382,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873569,"usec":910083},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.141410,"noise_level":-20.551907,"freq_skew":1.261464,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"KL076U","msg_num":"C22","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_B_20260527091915S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 09:19:15\nA/C PH-EXK\nSWVER 27.1 APPVER S.4.3 APPNAME OEM.ACM\nSIZE 523\n170LDI27.4V27.1PM-V17.2\nR 2026MAY27 09:19:15 T 2026MAY27 09:19:15\n-----\n0, 251.45, 1600.02, 79.6422, 1624.65, 79.6428, 68024, 0.659139, 1, 0, 29076,\n4033, -19.4356, 63991,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873572,"usec":200716},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864301,"noise_level":-19.858387,"freq_skew":2.418551,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55895,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[61,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":19,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873573,"usec":726045},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300138,"noise_level":-19.465754,"freq_skew":0.942608,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"KL076U","msg_num":"C23","msg_num_seq":"B","sublabel":"CF","msg_text":"-\n0, 251.45, 1600.02, 79.6422, 1624.65, 79.6428, 68024, 0.659139, 1, 0, 29076,\n4033, -19.4356, 63991,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873574,"usec":470071},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712535,"noise_level":-19.408766,"freq_skew":2.227071,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873575,"usec":238492},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860607,"noise_level":-19.779911,"freq_skew":2.461609,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873576,"usec":763858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173736,"noise_level":-19.415058,"freq_skew":0.910482,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873576,"usec":771184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624538,"noise_level":-19.318157,"freq_skew":2.429852,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873576,"usec":772922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633680,"noise_level":-19.302113,"freq_skew":0.999056,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56095,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[228,88,23,194]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873579,"usec":822113},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834988,"noise_level":-18.996498,"freq_skew":2.398063,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55895,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[175,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873580,"usec":570496},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739139,"noise_level":-18.888832,"freq_skew":2.629362,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55895,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[171,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873580,"usec":579372},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776690,"noise_level":-18.767397,"freq_skew":2.197791,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55895,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[53,171]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873581,"usec":342339},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868470,"noise_level":-18.640205,"freq_skew":2.522414,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53633,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[237,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":19,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873582,"usec":98551},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359500,"noise_level":-18.434692,"freq_skew":2.307119,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873582,"usec":863448},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952302,"noise_level":-18.527229,"freq_skew":2.366348,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":13,"dst_ref":55895,"variable_part_params":[{"name":"checksum","value":[29,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873587,"usec":429051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336968,"noise_level":-18.442760,"freq_skew":2.468531,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873588,"usec":193765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236392,"noise_level":-18.248909,"freq_skew":1.458009,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873589,"usec":702097},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628659,"noise_level":-18.003893,"freq_skew":2.359377,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[69,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873592,"usec":16619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731404,"noise_level":-18.128088,"freq_skew":1.406946,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873592,"usec":760812},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914455,"noise_level":-18.030609,"freq_skew":1.401084,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[2,71,135,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873594,"usec":297587},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945866,"noise_level":-17.671183,"freq_skew":-0.086110,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":1.500000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873594,"usec":297587},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.945866,"noise_level":-17.671183,"freq_skew":-0.086110,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-LRG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EI052X","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873594,"usec":300120},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585289,"noise_level":-17.638029,"freq_skew":0.251959,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23125723","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,73,78,0,76,171,211,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873595,"usec":48185},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500677,"noise_level":-17.513189,"freq_skew":-0.073153,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873595,"usec":50669},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765685,"noise_level":-17.487135,"freq_skew":1.410650,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[87,20,185,225]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[14,32,20,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":19,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873595,"usec":810355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266118,"noise_level":-17.287817,"freq_skew":1.463180,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873596,"usec":581188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852215,"noise_level":-17.224483,"freq_skew":0.043604,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873598,"usec":115934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860743,"noise_level":-16.781631,"freq_skew":1.507625,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873601,"usec":146778},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909709,"noise_level":-17.007849,"freq_skew":0.527512,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"CZ2531","msg_num":"S21","msg_num_seq":"A","msg_text":"0LS0919592","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":9,"min":19,"sec":59}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873601,"usec":912656},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651129,"noise_level":-16.831167,"freq_skew":0.851159,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":475,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":13,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873603,"usec":433983},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092732,"noise_level":-16.674011,"freq_skew":0.580019,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"3","ack":"P","flight":"KL0615","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873604,"usec":196248},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272601,"noise_level":-17.744024,"freq_skew":1.443685,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":75,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873604,"usec":950904},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965000,"noise_level":-17.765169,"freq_skew":0.747311,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"4","ack":"Q","flight":"KL0615","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873604,"usec":963352},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072825,"noise_level":-17.902319,"freq_skew":0.592974,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"B0","blk_id":"5","ack":"!","flight":"KL0615","msg_num":"L14","msg_num_seq":"A","msg_text":"/SOUCAYA.AFN/FMHKLM615,.PH-BKH,485E2E,092004/FRP042F5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873607,"usec":239765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774447,"noise_level":-18.386448,"freq_skew":0.816550,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873608,"usec":12496},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.851814,"noise_level":-18.804918,"freq_skew":-1.084806,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10974A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873609,"usec":535944},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851873,"noise_level":-18.347849,"freq_skew":-1.754273,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3899,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[155,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":44214},"freq":136975000,"burst_len_octets":132,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711817,"noise_level":-18.290062,"freq_skew":0.735607,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"B0","blk_id":"6","ack":"!","flight":"KL0615","msg_num":"L15","msg_num_seq":"A","msg_text":"/PIKCAYA.AFN/FMHKLM615,.PH-BKH,485E2E,092005/FPON53134E002220,0/FCOATC,01/FCOADS,011E18"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":44962},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971156,"noise_level":-18.290062,"freq_skew":-1.925640,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":3.200000},"alt":119000}},{"name":"alternate_ground_stations","value":["10900A","10930A","10980A","10959A","1096EA","1099DA","1094AA","10931A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":54004},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036523,"noise_level":-18.741175,"freq_skew":-2.031717,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3900,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53615,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[48,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":818231},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677168,"noise_level":-18.562683,"freq_skew":1.340285,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":138,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[89,243,78,15]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":821877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020876,"noise_level":-18.533287,"freq_skew":0.650519,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873611,"usec":822582},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.898815,"noise_level":-18.525953,"freq_skew":-1.923967,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-RUKA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"RK7381","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873612,"usec":571615},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900381,"noise_level":-18.467508,"freq_skew":0.627659,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"_d","blk_id":"7","ack":"R","flight":"KL0615","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873612,"usec":575573},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587109,"noise_level":-19.265612,"freq_skew":-2.154371,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20073534","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,119,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873612,"usec":582479},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737741,"noise_level":-19.186157,"freq_skew":1.477346,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53512,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[32,128,230,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873612,"usec":582479},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.737741,"noise_level":-19.186157,"freq_skew":1.477346,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53512,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,248,36,221]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873613,"usec":332134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494275,"noise_level":-20.252380,"freq_skew":-1.901600,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873613,"usec":332699},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817860,"noise_level":-20.243443,"freq_skew":0.829657,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BKH","mode":"2","label":"B0","blk_id":"8","ack":"!","flight":"KL0615","msg_num":"L16","msg_num_seq":"A","msg_text":"/SOUCAYA.AFN/FMHKLM615,.PH-BKH,485E2E,092011/FCPPIKCAYA,0433B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873613,"usec":344054},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615683,"noise_level":-20.075352,"freq_skew":1.339510,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":54,"dst_ref":53512,"variable_part_params":[{"name":"atn_checksum","value":[69,182,92,34]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873614,"usec":839610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050392,"noise_level":-20.798244,"freq_skew":0.654890,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873615,"usec":630265},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.707412,"noise_level":-20.443737,"freq_skew":2.331178,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"ME0201","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873616,"usec":387197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309440,"noise_level":-20.129543,"freq_skew":-1.877495,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873617,"usec":903424},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860009,"noise_level":-19.903284,"freq_skew":-1.930052,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20073534","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,64,119,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873617,"usec":911268},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.209352,"noise_level":-19.792328,"freq_skew":2.610901,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873618,"usec":676292},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651480,"noise_level":-19.641001,"freq_skew":-2.208051,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3901,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53615,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[5,248]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873620,"usec":184585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995115,"noise_level":-19.257547,"freq_skew":0.241948,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873620,"usec":185862},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699669,"noise_level":-19.965099,"freq_skew":-1.941117,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873620,"usec":193262},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.346041,"noise_level":-20.171270,"freq_skew":2.509117,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55811,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":19,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[106,0,244,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873620,"usec":193627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.501271,"noise_level":-20.171270,"freq_skew":1.595487,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873620,"usec":963979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136113,"noise_level":-19.987194,"freq_skew":-1.987026,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873621,"usec":723328},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800276,"noise_level":-19.858061,"freq_skew":-2.072914,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3902,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[144,248]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873624,"usec":16883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023205,"noise_level":-19.152609,"freq_skew":0.479108,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873624,"usec":765048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004540,"noise_level":-18.919409,"freq_skew":0.739859,"avlc":{"src":{"addr":"485E2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873628,"usec":594413},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961753,"noise_level":-18.808081,"freq_skew":3.385083,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":3.400000},"alt":96000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873629,"usec":341277},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047812,"noise_level":-18.605999,"freq_skew":3.520775,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124123","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,83,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873630,"usec":99096},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459258,"noise_level":-18.473843,"freq_skew":2.426795,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55811,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":19,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[106,0,244,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873630,"usec":102362},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314442,"noise_level":-18.430235,"freq_skew":3.335352,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR07GR","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873630,"usec":849978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.593781,"noise_level":-18.307854,"freq_skew":3.699352,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873630,"usec":851429},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878755,"noise_level":-19.124302,"freq_skew":0.183535,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":1.700000},"alt":137000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873631,"usec":621109},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766490,"noise_level":-18.984085,"freq_skew":0.333761,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"CZ2531","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873632,"usec":373515},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662548,"noise_level":-19.790125,"freq_skew":0.370947,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873633,"usec":907505},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103245,"noise_level":-19.327843,"freq_skew":0.245297,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873633,"usec":911604},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613641,"noise_level":-20.043209,"freq_skew":2.555337,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":341,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873634,"usec":663182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314453,"noise_level":-20.687477,"freq_skew":3.452975,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873636,"usec":963889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.992602,"noise_level":-19.957508,"freq_skew":0.773560,"avlc":{"src":{"addr":"40688D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873637,"usec":717940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940295,"noise_level":-19.710392,"freq_skew":0.915641,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873638,"usec":489427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.065014,"noise_level":-19.766632,"freq_skew":1.752097,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873647,"usec":634016},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941599,"noise_level":-18.156347,"freq_skew":2.184531,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[111,163,214,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873648,"usec":378673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.308274,"noise_level":-18.135298,"freq_skew":0.536490,"avlc":{"src":{"addr":"484F80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873648,"usec":379013},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.625284,"noise_level":-18.135298,"freq_skew":2.456250,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[161,79,227,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873649,"usec":141660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742945,"noise_level":-18.471767,"freq_skew":2.257137,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873649,"usec":142030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.955916,"noise_level":-19.145386,"freq_skew":2.431098,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873649,"usec":153348},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908455,"noise_level":-19.035870,"freq_skew":-0.014129,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53590,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[144,1,119,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873649,"usec":905312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565559,"noise_level":-19.622633,"freq_skew":0.156597,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873651,"usec":422811},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834020,"noise_level":-19.320238,"freq_skew":2.728265,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":2.000000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873652,"usec":196540},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877806,"noise_level":-19.035789,"freq_skew":2.775066,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126475","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,61,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873652,"usec":962290},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890779,"noise_level":-18.874062,"freq_skew":2.855453,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873652,"usec":968201},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.538806,"noise_level":-18.835997,"freq_skew":2.185480,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55919,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[188,98,28,27]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55919,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,137,187,75]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873653,"usec":722950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952065,"noise_level":-18.730289,"freq_skew":2.596354,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873654,"usec":484286},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258007,"noise_level":-18.529989,"freq_skew":-3.097170,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"OR0367","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873655,"usec":234991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115267,"noise_level":-18.384541,"freq_skew":2.709659,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873657,"usec":515230},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218807,"noise_level":-17.812428,"freq_skew":2.176789,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873657,"usec":522131},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.201348,"noise_level":-17.731777,"freq_skew":2.340167,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55919,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,135,12,97]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873658,"usec":290250},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352300,"noise_level":-17.638622,"freq_skew":1.123697,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":99,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873658,"usec":292531},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049899,"noise_level":-17.618790,"freq_skew":-3.052447,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"OR0367","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873658,"usec":301304},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322485,"noise_level":-18.065569,"freq_skew":2.363276,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873658,"usec":301304},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.322485,"noise_level":-18.065569,"freq_skew":2.363276,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873660,"usec":583353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188084,"noise_level":-17.578928,"freq_skew":0.861570,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873662,"usec":113004},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.207623,"noise_level":-18.024796,"freq_skew":2.126365,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[160,92,66,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":20,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873662,"usec":855163},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.413360,"noise_level":-18.011631,"freq_skew":2.513399,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":55919,"variable_part_params":[{"name":"atn_checksum","value":[197,3,4,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873662,"usec":858311},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.166166,"noise_level":-17.970278,"freq_skew":2.537459,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873662,"usec":862545},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105657,"noise_level":-18.207640,"freq_skew":2.462923,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[21,238,222,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873663,"usec":613874},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940882,"noise_level":-18.081366,"freq_skew":2.544648,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[214,141]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873665,"usec":146339},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265503,"noise_level":-17.793674,"freq_skew":2.333111,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":55811,"variable_part_params":[{"name":"atn_checksum","value":[169,156,56,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873665,"usec":157278},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935761,"noise_level":-17.666595,"freq_skew":0.965811,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62013,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[16,161,163,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873666,"usec":682943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133979,"noise_level":-17.411428,"freq_skew":0.875861,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873667,"usec":426627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439500,"noise_level":-17.245390,"freq_skew":2.638631,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873668,"usec":191594},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.252109,"noise_level":-17.348082,"freq_skew":2.288168,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":55811,"variable_part_params":[{"name":"atn_checksum","value":[169,156,56,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873668,"usec":976838},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284393,"noise_level":-17.661476,"freq_skew":2.121924,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":3.600000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873668,"usec":976838},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.284393,"noise_level":-17.661476,"freq_skew":2.121924,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"ME0201","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873668,"usec":980162},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228937,"noise_level":-17.641590,"freq_skew":2.397440,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873669,"usec":714765},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.148437,"noise_level":-17.477631,"freq_skew":2.004197,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"ME0201","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873670,"usec":479513},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745287,"noise_level":-17.432272,"freq_skew":-2.149618,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3903,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873670,"usec":494065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322879,"noise_level":-17.284882,"freq_skew":2.509526,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873672,"usec":767550},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012384,"noise_level":-16.905668,"freq_skew":0.995681,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.500000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873672,"usec":770809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.978598,"noise_level":-17.389811,"freq_skew":1.652598,"avlc":{"src":{"addr":"4CAC53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873672,"usec":771292},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783176,"noise_level":-18.284990,"freq_skew":2.650920,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5383,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[254,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873673,"usec":544551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938435,"noise_level":-18.011288,"freq_skew":-1.848687,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3903,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873674,"usec":274962},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693081,"noise_level":-17.990587,"freq_skew":1.005595,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXS","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"KL058P","msg_num":"M90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873674,"usec":275145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391091,"noise_level":-17.990587,"freq_skew":2.627596,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873674,"usec":279960},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839028,"noise_level":-18.784744,"freq_skew":1.174728,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22062355","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,100,237,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873675,"usec":810163},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778255,"noise_level":-18.386223,"freq_skew":0.324973,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTBS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873675,"usec":815055},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726902,"noise_level":-20.119810,"freq_skew":1.099090,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873676,"usec":581940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197667,"noise_level":-19.936811,"freq_skew":-2.939020,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873677,"usec":330975},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732808,"noise_level":-19.876659,"freq_skew":0.604813,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746666","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,182,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873677,"usec":330975},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.732808,"noise_level":-19.876659,"freq_skew":0.604813,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMV","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ06DN","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873677,"usec":331445},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.821227,"noise_level":-19.868099,"freq_skew":0.835210,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":73,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873678,"usec":95193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.627163,"noise_level":-19.590271,"freq_skew":2.275872,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873678,"usec":101970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015584,"noise_level":-19.491407,"freq_skew":0.381579,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873678,"usec":874311},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951586,"noise_level":-19.659826,"freq_skew":0.284628,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873678,"usec":875083},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.077178,"noise_level":-19.659826,"freq_skew":-0.108358,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62012,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,159,117,109]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873680,"usec":376099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929560,"noise_level":-19.283869,"freq_skew":-1.852971,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873681,"usec":146607},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.311131,"noise_level":-19.405685,"freq_skew":0.765847,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56095,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[228,88,23,194]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873681,"usec":900576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096145,"noise_level":-19.173576,"freq_skew":0.649591,"avlc":{"src":{"addr":"47875C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873686,"usec":465941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225561,"noise_level":-18.056095,"freq_skew":0.286764,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873688,"usec":1040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.123415,"noise_level":-18.050179,"freq_skew":2.126630,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873688,"usec":761489},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185626,"noise_level":-17.871599,"freq_skew":2.151060,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[106,187,17,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873690,"usec":293061},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691648,"noise_level":-17.564375,"freq_skew":2.362251,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR98YP","msg_num":"M01","msg_num_seq":"A","msg_text":"092127,M128372,0953, 74,N 50.659 E 1.082"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873690,"usec":296321},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201240,"noise_level":-17.531626,"freq_skew":0.886707,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"KL076U","msg_num":"C24","msg_num_seq":"B","sublabel":"CF","msg_text":"-\n0, 251.444, 1597.1, 79.5586, 1620.94, 79.56, 67915, 0.659124, 1, 1, 29076,\n3923, -19.458, 63992,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873691,"usec":35701},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.287366,"noise_level":-17.978712,"freq_skew":2.846266,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9608,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[0,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873691,"usec":812299},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714266,"noise_level":-17.761213,"freq_skew":2.797646,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9608,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[169,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873691,"usec":818560},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786098,"noise_level":-17.694345,"freq_skew":-1.917493,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3904,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[140,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873691,"usec":819620},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006599,"noise_level":-18.240791,"freq_skew":2.433641,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873691,"usec":820866},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731351,"noise_level":-18.233700,"freq_skew":2.411989,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":3.200000},"alt":30000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873692,"usec":564257},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.155809,"noise_level":-18.170143,"freq_skew":0.814939,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"KL076U","msg_num":"C25","msg_num_seq":"A","sublabel":"CF","msg_text":"APM_REPORT_A_20260527092117S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 09:21:17\nA/C PH-EXK\nSWVER 27.1 APPVER S.4.3 APPNAME OEM.ACM\nSIZE 520\n170LDI27.4V27.1PM-V17.2\nR 2026MAY27 09:21:17 T 2026MAY27 09:21:17\n----"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873692,"usec":571691},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438619,"noise_level":-18.086119,"freq_skew":-1.938979,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3905,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[136,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873693,"usec":328730},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536257,"noise_level":-19.356478,"freq_skew":2.385296,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221516","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873693,"usec":329218},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784064,"noise_level":-19.356478,"freq_skew":-1.882020,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3906,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53615,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873693,"usec":337125},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616932,"noise_level":-19.650721,"freq_skew":2.304443,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR09ET","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873693,"usec":337986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753757,"noise_level":-19.642380,"freq_skew":2.441743,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR98YP","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873694,"usec":102610},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460697,"noise_level":-19.759329,"freq_skew":2.353836,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23121104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873694,"usec":856348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414485,"noise_level":-19.658533,"freq_skew":2.508598,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873694,"usec":857718},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.116224,"noise_level":-19.641846,"freq_skew":0.821054,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"KL076U","msg_num":"C25","msg_num_seq":"B","sublabel":"CF","msg_text":"APM_REPORT_A_20260527092117S.CSV\nACMF SNAPSHOT REPORT 2026MAY27 09:21:17\nA/C PH-EXK\nSWVER 27.1 APPVER S.4.3 APPNAME OEM.ACM\nSIZE 520\n170LDI27.4V27.1PM-V17.2\nR 2026MAY27 09:21:17 T 2026MAY27 09:21:17\n-----\n0, 251.444, 1597.1, 79.5586, 1620.94, 79.56, 67915, 0.659124, 1, 1, 29076,\n3923, -19.458, 63992,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873694,"usec":858612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888701,"noise_level":-19.633514,"freq_skew":-2.227150,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873694,"usec":858907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602184,"noise_level":-20.251671,"freq_skew":2.650721,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873695,"usec":630056},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921275,"noise_level":-20.048416,"freq_skew":2.250550,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873696,"usec":380382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887547,"noise_level":-20.356663,"freq_skew":2.619168,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873696,"usec":391985},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560080,"noise_level":-20.186390,"freq_skew":2.407930,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[250,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873697,"usec":158834},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680349,"noise_level":-21.037987,"freq_skew":2.450231,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53596,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873697,"usec":160366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.749782,"noise_level":-21.344002,"freq_skew":0.798804,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873697,"usec":908416},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785163,"noise_level":-21.183264,"freq_skew":2.440815,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR98YP","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873698,"usec":660931},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688935,"noise_level":-21.588381,"freq_skew":2.479299,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23121104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873698,"usec":667694},"freq":136975000,"burst_len_octets":148,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.206931,"noise_level":-21.695038,"freq_skew":-2.854319,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"OR0367","msg_num":"M10","msg_num_seq":"A","msg_text":"POS02 TFL367/27270921EHAMTNCC\r\nN51343W000162,36000,092138,-104,-174,15,484,1803,+8,284,0.851,-55,48.0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873699,"usec":439386},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495821,"noise_level":-21.621445,"freq_skew":2.560538,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":1.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873700,"usec":958397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164026,"noise_level":-21.095909,"freq_skew":-2.900707,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873700,"usec":963147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812084,"noise_level":-21.017433,"freq_skew":2.287220,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873701,"usec":722825},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412370,"noise_level":-21.540222,"freq_skew":2.656445,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR98YP","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873701,"usec":732073},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633434,"noise_level":-22.001850,"freq_skew":2.541385,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23121104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873703,"usec":228136},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490451,"noise_level":-21.648214,"freq_skew":2.605313,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR98YP","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873704,"usec":10038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691139,"noise_level":-21.421791,"freq_skew":2.276094,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873704,"usec":756020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871671,"noise_level":-21.249584,"freq_skew":2.694768,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873704,"usec":757602},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823515,"noise_level":-21.219547,"freq_skew":3.643285,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2705,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873704,"usec":765198},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842765,"noise_level":-21.090569,"freq_skew":-1.907394,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3907,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53615,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[200,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873705,"usec":518742},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042276,"noise_level":-20.992643,"freq_skew":2.078798,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":126,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873706,"usec":290176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070418,"noise_level":-20.688522,"freq_skew":-1.914655,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":49473},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905330,"noise_level":-20.474909,"freq_skew":-2.095575,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3908,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[132,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":56078},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.826502,"noise_level":-21.085670,"freq_skew":2.630555,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9608,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[115,14]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":58204},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939086,"noise_level":-21.394651,"freq_skew":-2.023253,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53615,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[128,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":59107},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.735482,"noise_level":-21.384459,"freq_skew":3.438383,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":3.200000},"alt":95000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":799044},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726525,"noise_level":-21.313440,"freq_skew":2.550114,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53658,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[91,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":802243},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537097,"noise_level":-21.263067,"freq_skew":-1.912180,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3910,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53615,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[37,53]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":804668},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.077607,"noise_level":-21.428709,"freq_skew":-0.105727,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873707,"usec":805424},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674999,"noise_level":-21.418476,"freq_skew":3.580187,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR07GR","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873708,"usec":581824},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809248,"noise_level":-21.216307,"freq_skew":2.805392,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873708,"usec":582844},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.860583,"noise_level":-21.196348,"freq_skew":3.414286,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124123","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,83,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873708,"usec":583168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.959913,"noise_level":-21.196348,"freq_skew":2.154083,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873709,"usec":333699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060068,"noise_level":-21.067713,"freq_skew":-2.045350,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873709,"usec":341460},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649082,"noise_level":-20.940952,"freq_skew":-2.006660,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3911,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9,"dst_ref":53615,"variable_part_params":[{"name":"checksum","value":[219,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873709,"usec":347290},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843364,"noise_level":-20.854267,"freq_skew":2.871521,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":23,"dst_ref":9608,"variable_part_params":[{"name":"checksum","value":[197,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873710,"usec":87647},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281317,"noise_level":-20.768440,"freq_skew":2.422370,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":337,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873710,"usec":91715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019968,"noise_level":-20.767685,"freq_skew":3.497558,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873710,"usec":858498},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910408,"noise_level":-20.850712,"freq_skew":3.501914,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873710,"usec":861225},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264648,"noise_level":-20.812475,"freq_skew":2.598787,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873711,"usec":622474},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709774,"noise_level":-21.241364,"freq_skew":2.707502,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[203,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873712,"usec":381749},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795668,"noise_level":-21.092342,"freq_skew":2.502306,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53596,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[174,126]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873713,"usec":144127},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429885,"noise_level":-20.830383,"freq_skew":2.773900,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873713,"usec":146675},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566361,"noise_level":-21.361984,"freq_skew":-1.827931,"avlc":{"src":{"addr":"40775C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3911,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9,"dst_ref":53615,"variable_part_params":[{"name":"checksum","value":[219,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873713,"usec":149726},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666496,"noise_level":-21.311331,"freq_skew":0.410637,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873713,"usec":919459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087904,"noise_level":-21.393467,"freq_skew":2.455453,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873715,"usec":433200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.578001,"noise_level":-20.849968,"freq_skew":2.168318,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873715,"usec":435431},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.326686,"noise_level":-20.965586,"freq_skew":0.041425,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53590,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[229,205,169,193]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53590,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,245,138,207]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873716,"usec":955946},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919106,"noise_level":-20.622967,"freq_skew":0.488378,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873716,"usec":957203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977600,"noise_level":-21.568613,"freq_skew":0.081946,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873718,"usec":485314},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629324,"noise_level":-21.024155,"freq_skew":2.350523,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[239,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873718,"usec":486618},"freq":136975000,"burst_len_octets":170,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652957,"noise_level":-21.004631,"freq_skew":0.358168,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[245,158,151,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873718,"usec":486618},"freq":136975000,"burst_len_octets":170,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.652957,"noise_level":-21.004631,"freq_skew":0.358168,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[90,214,248,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873718,"usec":486618},"freq":136975000,"burst_len_octets":170,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.652957,"noise_level":-21.004631,"freq_skew":0.358168,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":42826,"dst_ref":56120,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[228,58,101,125]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873719,"usec":245497},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705481,"noise_level":-21.118382,"freq_skew":2.578692,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[65,56]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873719,"usec":998016},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758810,"noise_level":-21.817837,"freq_skew":0.260535,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873720,"usec":1269},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605677,"noise_level":-22.050879,"freq_skew":2.472062,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53633,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[2,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":21,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873721,"usec":522846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569446,"noise_level":-22.267561,"freq_skew":2.255950,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873723,"usec":45623},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604110,"noise_level":-21.710667,"freq_skew":2.402203,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5387,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[239,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873723,"usec":46780},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613160,"noise_level":-22.001705,"freq_skew":0.307445,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873723,"usec":806235},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697437,"noise_level":-22.926462,"freq_skew":2.746353,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092017\r\n 437175260379360A607BCG3A-L200-0002\r\n-3000 379940016717166 323 325 299 307\r\n-2500 379970016617166 324 325 299 308\r\n-2000 380000016717166 324 325 299 307\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873723,"usec":816205},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904913,"noise_level":-22.722063,"freq_skew":0.158984,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":1.500000},"alt":122000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873724,"usec":588140},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886059,"noise_level":-22.407009,"freq_skew":0.146628,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"CZ2531","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873725,"usec":333919},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754047,"noise_level":-22.248037,"freq_skew":0.140214,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873725,"usec":334295},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.084249,"noise_level":-22.631641,"freq_skew":-0.049267,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53590,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[35,225,231,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873725,"usec":335350},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882676,"noise_level":-22.619888,"freq_skew":2.068868,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873726,"usec":86081},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557409,"noise_level":-22.598419,"freq_skew":2.517833,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"B","sublabel":"DF","msg_text":"500 380020016717166 325 326 298 308\r\n-1000 380010016717166 324 325 299 306\r\n-0500 379990016717166 324 325 298 308\r\n 1700 379940016717166 323 324 298 307\r\n+0500 379930016717166 324 325 298 306\r\n+1000 3799500"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873726,"usec":868253},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199158,"noise_level":-22.956697,"freq_skew":-0.069688,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873726,"usec":874857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118179,"noise_level":-23.060610,"freq_skew":0.166885,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873727,"usec":616671},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807962,"noise_level":-23.613640,"freq_skew":0.143244,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873727,"usec":630029},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876294,"noise_level":-23.328678,"freq_skew":0.105299,"avlc":{"src":{"addr":"4CABD3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53590,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[89,109,164,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873728,"usec":376629},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647174,"noise_level":-23.290535,"freq_skew":0.131949,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[23,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873728,"usec":377792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460993,"noise_level":-24.353598,"freq_skew":2.688076,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873728,"usec":381278},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460709,"noise_level":-24.267988,"freq_skew":2.209882,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873729,"usec":146314},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.343122,"noise_level":-23.838646,"freq_skew":0.239444,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873729,"usec":147371},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740101,"noise_level":-24.396723,"freq_skew":2.679580,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"C","sublabel":"DF","msg_text":"16617166 324 325 298 306\r\n+1500 379990016617166 324 324 297 306\r\n+2000 379980016617066 323 324 296 306\r\n+2500 379990016617166 323 324 297 305\r\n+3000 379950016717266 323 325 298 306\r\n+3500 379930016717266 32"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873729,"usec":149991},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552438,"noise_level":-24.339275,"freq_skew":0.290276,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873729,"usec":903196},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484659,"noise_level":-24.460752,"freq_skew":2.687689,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1235,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[199,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873730,"usec":662805},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609869,"noise_level":-23.994455,"freq_skew":2.583323,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"D","sublabel":"DF","msg_text":"3 324 298 306\r\n+4000 379930016717266 324 324 298 305\r\n+4500 379950016717266 325 324 298 305\r\n+5000 379990016717266 323 324 297 305\r\n+5500 380030016717266 323 325 297 306\r\n+6000 380050016717266 324 324 297 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873730,"usec":664098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138038,"noise_level":-23.980709,"freq_skew":0.465728,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873732,"usec":203268},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552889,"noise_level":-24.093435,"freq_skew":2.711625,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"E","sublabel":"DF","msg_text":"05\r\n+6500 380000016717266 323 324 297 303\r\n+7000 379940016817366 325 325 298 304\r\n+7500 379950016717266 324 323 297 304\r\n+8000 379960016817266 324 324 299 303\r\n+8500 379990016817266 325 325 299 303\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873733,"usec":722888},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482906,"noise_level":-23.553928,"freq_skew":2.280486,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873736,"usec":8646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.624213,"noise_level":-22.438662,"freq_skew":-0.125630,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873736,"usec":769135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.438627,"noise_level":-22.301729,"freq_skew":-0.073515,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873736,"usec":773071},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371176,"noise_level":-22.331999,"freq_skew":-0.103163,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62012,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,58,223,34]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873736,"usec":773194},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176936,"noise_level":-22.331999,"freq_skew":-0.015183,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62012,"credit":4,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[72,118,37,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873736,"usec":779899},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624345,"noise_level":-22.196722,"freq_skew":2.804032,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"F","sublabel":"DF","msg_text":"79990016817266 325 325 300 305\r\n-30 84 84 168 1710060106611\r\n-25 84 84 168 1710060106611\r\n-20 84 84 168 1710060106611\r\n-15 84 84 168 1710060106611\r\n-10 84 84 168 1710060106611\r\n-05 84 84 168 1710050106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873739,"usec":54653},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587896,"noise_level":-22.200548,"freq_skew":2.803699,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"G","sublabel":"DF","msg_text":" 17 84 84 168 1710060106611\r\n+05 84 84 169 1710060106611\r\n+10 84 84 168 1710060106611\r\n+15 84 84 169 1710050106611\r\n+20 84 84 169 1710060106611\r\n+25 84 84 169 1710060106611\r\n+30 84 84 169 1710060106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873739,"usec":65742},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120160,"noise_level":-22.669785,"freq_skew":-0.238720,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873740,"usec":571723},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084121,"noise_level":-22.209721,"freq_skew":2.432376,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53633,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[91,158]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873741,"usec":353785},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617061,"noise_level":-21.794136,"freq_skew":2.187301,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873742,"usec":93351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187388,"noise_level":-21.730299,"freq_skew":2.220443,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873743,"usec":641869},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.432459,"noise_level":-21.411530,"freq_skew":2.239838,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[54,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873745,"usec":905161},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740814,"noise_level":-20.809536,"freq_skew":2.847508,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"H","sublabel":"DF","msg_text":" 84 84 169 1710060106611\r\n+40 84 84 169 1720060106611\r\n+45 84 84 169 1720060106611\r\n+50 84 84 169 1720060106611\r\n+55 84 84 169 1720060106611\r\n+60 84 84 169 1720060106611\r\n+65 84 84 169 1730060106611\r\n+70 84"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873746,"usec":680895},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020517,"noise_level":-20.445431,"freq_skew":3.389429,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53623,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[119,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873747,"usec":427229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.840232,"noise_level":-20.363529,"freq_skew":-1.453828,"avlc":{"src":{"addr":"AAC136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261EF7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873748,"usec":202411},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647898,"noise_level":-20.184248,"freq_skew":2.640144,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"I","sublabel":"DF","msg_text":" 84 169 1730060106611\r\n+75 84 84 169 1730060106611\r\n+80 84 84 169 1730060106611\r\n+85 84 84 170 1730060106611\r\n+90 84 84 170 1740050106611\r\n-30 69 69 24 29-078900 -570ER\r\n-25 69 69 24 29-078900 -570ER\r\n-20 6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873748,"usec":210455},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814087,"noise_level":-20.092777,"freq_skew":3.566353,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873749,"usec":716484},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746492,"noise_level":-19.731659,"freq_skew":2.670883,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"J","sublabel":"DF","msg_text":"9 69 24 29-079000 -570ER\r\n-15 69 69 24 29-079000 -570ER\r\n-10 69 69 24 29-078900 -570ER\r\n-05 69 69 24 29-078900 -570ER\r\n 17 69 68 24 29-078800 -568ER\r\n+05 69 69 24 29-078700 -568ER\r\n+10 69 69 24 29-078700 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873751,"usec":236646},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880044,"noise_level":-19.288387,"freq_skew":0.318561,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAI"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873752,"usec":8957},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720883,"noise_level":-19.121935,"freq_skew":2.531440,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"K","sublabel":"DF","msg_text":"68ER\r\n+15 69 69 24 29-078700 -568ER\r\n+20 69 70 24 29-078700 -568ER\r\n+25 69 71 24 29-078600 -568ER\r\n+30 69 71 24 29-078700 -568ER\r\n+35 69 72 24 29-078700 -568ER\r\n+40 70 73 24 29-078600 -568ER\r\n+45 70 74 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873752,"usec":18209},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058507,"noise_level":-19.012711,"freq_skew":0.380215,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22747102","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,206,66,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873752,"usec":760825},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083258,"noise_level":-19.402950,"freq_skew":0.222356,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRB","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XQ04UA","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873752,"usec":763573},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610122,"noise_level":-20.081701,"freq_skew":1.986832,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873753,"usec":526017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027758,"noise_level":-19.942533,"freq_skew":0.364693,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873753,"usec":529105},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524911,"noise_level":-19.908087,"freq_skew":2.624228,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"L","sublabel":"DF","msg_text":"9-078600 -568ER\r\n+50 70 74 24 29-078700 -568ER\r\n+55 70 74 24 29-078600 -568ER\r\n+60 70 74 24 29-078600 -568ER\r\n+65 70 75 24 29-078500 -568ER\r\n+70 70 75 24 29-078700 -568ER\r\n+75 70 76 24 28-078500 -568ER\r\n+80"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873753,"usec":530484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247037,"noise_level":-20.600143,"freq_skew":1.510739,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873755,"usec":54092},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492711,"noise_level":-19.997913,"freq_skew":2.721180,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D82","msg_num_seq":"M","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092017\r\n 437175260379360A607BCG3A-L200-0002\r\n-3000 379940016717166 323 325 299 307\r\n-2500 379970016617166 324 325 299 308\r\n-2000 380000016717166 324 325 299 307\r\n-1500 380020016717166 325 326 298 308\r\n-1000 380010016717166 324 325 299 306\r\n-0500 379990016717166 324 325 298 308\r\n 1700 379940016717166 323 324 298 307\r\n+0500 379930016717166 324 325 298 306\r\n+1000 379950016617166 324 325 298 306\r\n+1500 379990016617166 324 324 297 306\r\n+2000 379980016617066 323 324 296 306\r\n+2500 379990016617166 323 324 297 305\r\n+3000 379950016717266 323 325 298 306\r\n+3500 379930016717266 323 324 298 306\r\n+4000 379930016717266 324 324 298 305\r\n+4500 379950016717266 325 324 298 305\r\n+5000 379990016717266 323 324 297 305\r\n+5500 380030016717266 323 325 297 306\r\n+6000 380050016717266 324 324 297 305\r\n+6500 380000016717266 323 324 297 303\r\n+7000 379940016817366 325 325 298 304\r\n+7500 379950016717266 324 323 297 304\r\n+8000 379960016817266 324 324 299 303\r\n+8500 379990016817266 325 325 299 303\r\n+9000 379990016817266 325 325 300 305\r\n-30 84 84 168 1710060106611\r\n-25 84 84 168 1710060106611\r\n-20 84 84 168 1710060106611\r\n-15 84 84 168 1710060106611\r\n-10 84 84 168 1710060106611\r\n-05 84 84 168 1710050106611\r\n 17 84 84 168 1710060106611\r\n+05 84 84 169 1710060106611\r\n+10 84 84 168 1710060106611\r\n+15 84 84 169 1710050106611\r\n+20 84 84 169 1710060106611\r\n+25 84 84 169 1710060106611\r\n+30 84 84 169 1710060106611\r\n+35 84 84 169 1710060106611\r\n+40 84 84 169 1720060106611\r\n+45 84 84 169 1720060106611\r\n+50 84 84 169 1720060106611\r\n+55 84 84 169 1720060106611\r\n+60 84 84 169 1720060106611\r\n+65 84 84 169 1730060106611\r\n+70 84 84 169 1730060106611\r\n+75 84 84 169 1730060106611\r\n+80 84 84 169 1730060106611\r\n+85 84 84 170 1730060106611\r\n+90 84 84 170 1740050106611\r\n-30 69 69 24 29-078900 -570ER\r\n-25 69 69 24 29-078900 -570ER\r\n-20 69 69 24 29-079000 -570ER\r\n-15 69 69 24 29-079000 -570ER\r\n-10 69 69 24 29-078900 -570ER\r\n-05 69 69 24 29-078900 -570ER\r\n 17 69 68 24 29-078800 -568ER\r\n+05 69 69 24 29-078700 -568ER\r\n+10 69 69 24 29-078700 -568ER\r\n+15 69 69 24 29-078700 -568ER\r\n+20 69 70 24 29-078700 -568ER\r\n+25 69 71 24 29-078600 -568ER\r\n+30 69 71 24 29-078700 -568ER\r\n+35 69 72 24 29-078700 -568ER\r\n+40 70 73 24 29-078600 -568ER\r\n+45 70 74 24 29-078600 -568ER\r\n+50 70 74 24 29-078700 -568ER\r\n+55 70 74 24 29-078600 -568ER\r\n+60 70 74 24 29-078600 -568ER\r\n+65 70 75 24 29-078500 -568ER\r\n+70 70 75 24 29-078700 -568ER\r\n+75 70 76 24 28-078500 -568ER\r\n+80 70 77 24 28-078700 -570ER\r\n+85 70 77 24 28-078800 -570ER\r\n+90 70 77 24 29-078800 -573ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873755,"usec":826242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.376722,"noise_level":-19.902912,"freq_skew":0.483687,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873758,"usec":101235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716655,"noise_level":-19.305494,"freq_skew":2.636460,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873758,"usec":862766},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.488886,"noise_level":-19.013762,"freq_skew":0.537908,"avlc":{"src":{"addr":"407777","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-LCAB","mode":"2","label":"5U","blk_id":"2","ack":"!","flight":"CJ3272","msg_num":"M93","msg_num_seq":"A","msg_text":"SA LFPO,LFBD,LEBB,LEVC"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873765,"usec":725856},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719920,"noise_level":-17.327650,"freq_skew":2.201885,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873766,"usec":489529},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970008,"noise_level":-17.479843,"freq_skew":2.478384,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[191,136,67,252]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[42,111,95,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873767,"usec":996435},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745598,"noise_level":-17.759447,"freq_skew":2.144666,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[111,163,214,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873770,"usec":286346},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352422,"noise_level":-17.263815,"freq_skew":2.480570,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[191,136,67,252]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[42,111,95,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873771,"usec":48288},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967182,"noise_level":-17.100548,"freq_skew":2.439734,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873771,"usec":59282},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593909,"noise_level":-16.983150,"freq_skew":2.082363,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[111,163,214,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873771,"usec":818687},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065302,"noise_level":-16.825027,"freq_skew":2.384465,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[136,17,104,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873772,"usec":569097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061702,"noise_level":-17.458097,"freq_skew":3.697283,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873773,"usec":334876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.762478,"noise_level":-17.246773,"freq_skew":2.366736,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873773,"usec":336271},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367367,"noise_level":-17.234131,"freq_skew":3.313264,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53623,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[115,16]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873774,"usec":109002},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.821310,"noise_level":-17.102470,"freq_skew":2.412380,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,40,62,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873774,"usec":112681},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184226,"noise_level":-17.723103,"freq_skew":3.421072,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53623,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[104,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873774,"usec":854111},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.296007,"noise_level":-17.623428,"freq_skew":3.671427,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53623,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[20,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873775,"usec":630661},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256339,"noise_level":-17.788261,"freq_skew":3.587013,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873777,"usec":146211},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599484,"noise_level":-17.575422,"freq_skew":2.350065,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.600000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873777,"usec":152979},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738691,"noise_level":-18.027779,"freq_skew":-0.302897,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[19,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873777,"usec":157157},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474146,"noise_level":-18.702801,"freq_skew":0.031319,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[15,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873778,"usec":673774},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329675,"noise_level":-18.406509,"freq_skew":0.219112,"avlc":{"src":{"addr":"407777","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-LCAB","mode":"2","label":"_d","blk_id":"3","ack":"K","flight":"CJ3272","msg_num":"M95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873778,"usec":674481},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934144,"noise_level":-18.392061,"freq_skew":-0.138328,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53643,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[24,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":22,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873780,"usec":182657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131407,"noise_level":-18.108030,"freq_skew":-0.310668,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873780,"usec":184674},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809199,"noise_level":-19.212873,"freq_skew":2.631393,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"M97","msg_num_seq":"A","msg_text":"/EGCC.TI2/024EGCCAF1FF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873780,"usec":950090},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.287166,"noise_level":-19.024527,"freq_skew":3.191541,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":1.800000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873783,"usec":243285},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815155,"noise_level":-18.374090,"freq_skew":-0.277310,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873783,"usec":248309},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057217,"noise_level":-19.585295,"freq_skew":-2.986700,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"_d","blk_id":"6","ack":"I","flight":"OR0367","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873783,"usec":250023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.458682,"noise_level":-20.084257,"freq_skew":2.372375,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873784,"usec":769633},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683608,"noise_level":-19.723486,"freq_skew":2.845783,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"_d","blk_id":"6","ack":"J","flight":"FR651T","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873786,"usec":288504},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055166,"noise_level":-19.850548,"freq_skew":-0.168904,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[4,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873787,"usec":52889},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690516,"noise_level":-21.026142,"freq_skew":2.716347,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"FR651T","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873787,"usec":804871},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953421,"noise_level":-20.842369,"freq_skew":-0.240968,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53643,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[83,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873789,"usec":340687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005620,"noise_level":-21.242302,"freq_skew":-0.329813,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873790,"usec":99809},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767586,"noise_level":-21.137503,"freq_skew":-3.100536,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"OR0367","msg_num":"E82","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT14;PG1;REAL;SW030M1GV12\r\n1 OPEN;OPEN;OPEN;OPEN\r\n2 ON;PRESS;ON;PRESS\r\n3 ON;PRESS;ON;PRESS\r\n4 ON;PRESS;ON;PRESS\r\n5 CLOSED;CLOSED;CLOSED;CLOSED\r\n6 CLOSED;CLOSED;CLOSED;CLOSED\r\n7 CLOSED;CLOSED;CLOSED;"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873791,"usec":618511},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837308,"noise_level":-21.128155,"freq_skew":-2.911171,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"OR0367","msg_num":"E82","msg_num_seq":"B","sublabel":"EI","msg_text":"CLOSED\r\n8 CLOSED;CLOSED;CLOSED;CLOSED\r\n9 CLOSED;CLOSED;CLOSED;CLOSED\r\n10 CLOSED;CLOSED;CLOSED;CLOSED\r\n11 CLOSED;CLOSED;CLOSED;CLOSED\r\n12 CLOSED;CLOSED;CLOSED;CLOSED\r\n13 OFF;NO PRESS\r\n14 ON;PRESS\r\n15 20;19"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873791,"usec":624888},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836123,"noise_level":-21.039591,"freq_skew":-0.412410,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53643,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[245,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":10}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873792,"usec":369897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.075179,"noise_level":-20.874727,"freq_skew":3.520444,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873792,"usec":378044},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.746005,"noise_level":-20.731815,"freq_skew":2.346553,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[149,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873793,"usec":151558},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837834,"noise_level":-20.563366,"freq_skew":-2.912176,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"OR0367","msg_num":"E82","msg_num_seq":"C","sublabel":"EI","msg_text":"RPT14;PG1;REAL;SW030M1GV12\r\n1 OPEN;OPEN;OPEN;OPEN\r\n2 ON;PRESS;ON;PRESS\r\n3 ON;PRESS;ON;PRESS\r\n4 ON;PRESS;ON;PRESS\r\n5 CLOSED;CLOSED;CLOSED;CLOSED\r\n6 CLOSED;CLOSED;CLOSED;CLOSED\r\n7 CLOSED;CLOSED;CLOSED;CLOSED\r\n8 CLOSED;CLOSED;CLOSED;CLOSED\r\n9 CLOSED;CLOSED;CLOSED;CLOSED\r\n10 CLOSED;CLOSED;CLOSED;CLOSED\r\n11 CLOSED;CLOSED;CLOSED;CLOSED\r\n12 CLOSED;CLOSED;CLOSED;CLOSED\r\n13 OFF;NO PRESS\r\n14 ON;PRESS\r\n15 20;19;20;20;19;20\r\n16 ;27;MAY;26;09:23:05\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873793,"usec":153973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752039,"noise_level":-21.335966,"freq_skew":-0.220044,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873793,"usec":909414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174142,"noise_level":-21.185326,"freq_skew":0.732069,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873793,"usec":917168},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939611,"noise_level":-22.351212,"freq_skew":-0.236010,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53643,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[0,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873794,"usec":665301},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778761,"noise_level":-22.953384,"freq_skew":-3.014485,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-TFM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"OR0367","msg_num":"E82","msg_num_seq":"C","sublabel":"EI","msg_text":";20;20;19;20\r\n16 ;27;MAY;26;09:23:05\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873794,"usec":669785},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794943,"noise_level":-22.868376,"freq_skew":-3.138972,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22050155","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,70,76,0,72,80,109,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873794,"usec":674338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288671,"noise_level":-22.786158,"freq_skew":-3.032039,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873794,"usec":674489},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.392301,"noise_level":-22.786158,"freq_skew":3.644060,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53623,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[100,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873795,"usec":435512},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.476477,"noise_level":-22.584995,"freq_skew":3.853368,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53623,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[96,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873795,"usec":446319},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.131292,"noise_level":-22.365553,"freq_skew":3.565759,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53623,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[250,37]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":202570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234322,"noise_level":-22.207333,"freq_skew":-3.048850,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":208533},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643307,"noise_level":-22.327324,"freq_skew":3.142613,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":1.800000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":961452},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.195275,"noise_level":-22.252272,"freq_skew":3.328545,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"U295BM","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":961452},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.195275,"noise_level":-22.252272,"freq_skew":3.328545,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20074531","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,121,89,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":964534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.141450,"noise_level":-22.207357,"freq_skew":3.440163,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873796,"usec":965361},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671976,"noise_level":-22.184990,"freq_skew":-3.021348,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":264,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873797,"usec":711962},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.223060,"noise_level":-22.062973,"freq_skew":2.445893,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[149,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873797,"usec":719711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330986,"noise_level":-21.931793,"freq_skew":3.351268,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873799,"usec":238167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286971,"noise_level":-21.497978,"freq_skew":3.385022,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873799,"usec":249697},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.149833,"noise_level":-21.389143,"freq_skew":3.540333,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2714,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":3,"dst_ref":53623,"variable_part_params":[{"name":"checksum","value":[195,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873800,"usec":3588},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343267,"noise_level":-21.307985,"freq_skew":2.122653,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":2.400000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873800,"usec":761985},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600077,"noise_level":-21.501989,"freq_skew":2.071121,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH6952","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873801,"usec":528187},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750195,"noise_level":-21.367540,"freq_skew":2.068405,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222016","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,76,0,77,36,14,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873802,"usec":293583},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994057,"noise_level":-21.028559,"freq_skew":-0.033855,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873803,"usec":38703},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156989,"noise_level":-21.911259,"freq_skew":3.395837,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":543,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873803,"usec":46395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880593,"noise_level":-21.771675,"freq_skew":2.081727,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873804,"usec":572511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.245344,"noise_level":-21.244764,"freq_skew":3.420018,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873805,"usec":321826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496151,"noise_level":-21.174873,"freq_skew":-2.973617,"avlc":{"src":{"addr":"48506D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873805,"usec":336639},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151271,"noise_level":-21.551294,"freq_skew":2.616230,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9661,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[21,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873806,"usec":95738},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.082771,"noise_level":-21.478903,"freq_skew":2.154660,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":261,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873806,"usec":103258},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124925,"noise_level":-21.346046,"freq_skew":0.025400,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":37,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":6,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,80,82,84,0,73,50,138]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,80,82,84,0,73,50,138]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873806,"usec":853264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383015,"noise_level":-21.255245,"freq_skew":0.108747,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873811,"usec":441019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183691,"noise_level":-19.689079,"freq_skew":1.973478,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873812,"usec":955655},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.190332,"noise_level":-19.686028,"freq_skew":3.556652,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":2.900000},"alt":96000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873813,"usec":745872},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154611,"noise_level":-19.724333,"freq_skew":0.317506,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56091,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[191,46,99,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873813,"usec":746315},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.149826,"noise_level":-20.589973,"freq_skew":3.385839,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR07GR","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873813,"usec":753093},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694635,"noise_level":-20.479128,"freq_skew":0.395598,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56091,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,231,59,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873813,"usec":754898},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.206303,"noise_level":-20.451637,"freq_skew":3.293981,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124123","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,83,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873815,"usec":246015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166850,"noise_level":-19.988428,"freq_skew":0.219266,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873815,"usec":998749},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558106,"noise_level":-19.927917,"freq_skew":-0.119133,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"270D97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873816,"usec":6679},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592062,"noise_level":-21.026937,"freq_skew":0.461543,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873816,"usec":8658},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360397,"noise_level":-22.124962,"freq_skew":3.716494,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873817,"usec":522935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060239,"noise_level":-21.587276,"freq_skew":0.191265,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873819,"usec":53945},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667132,"noise_level":-21.607750,"freq_skew":2.581372,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[195,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873819,"usec":61617},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657770,"noise_level":-22.104813,"freq_skew":-0.444381,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56120,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[100,188,78,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873819,"usec":824627},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.786487,"noise_level":-22.104813,"freq_skew":2.659097,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53658,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[56,18]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873820,"usec":586232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620876,"noise_level":-21.578747,"freq_skew":2.793250,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873821,"usec":334106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.675200,"noise_level":-21.810623,"freq_skew":0.582983,"avlc":{"src":{"addr":"4080C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4178,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873822,"usec":875912},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631495,"noise_level":-21.181326,"freq_skew":-0.573922,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56120,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[100,188,78,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873823,"usec":615008},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.455899,"noise_level":-21.441486,"freq_skew":2.624168,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[70,208]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873823,"usec":618584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.373633,"noise_level":-21.370003,"freq_skew":0.723318,"avlc":{"src":{"addr":"4080C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873823,"usec":619646},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454483,"noise_level":-21.359840,"freq_skew":2.776199,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092158\r\n 463185360379360A607BCG3A-L200-0002\r\n-3000 379940016717266 323 325 298 305\r\n-2500 379950016817366 324 324 298 303\r\n-2000 379960016817266 325 324 298 304\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873825,"usec":895493},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603973,"noise_level":-21.529568,"freq_skew":2.553844,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379990016817366 325 324 299 304\r\n-1000 380010016817366 325 326 300 305\r\n-0500 380000016817266 326 325 299 304\r\n 5800 379990016817266 325 324 299 304\r\n+0500 379990016817366 325 324 298 303\r\n+1000 3799900"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873830,"usec":485399},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631398,"noise_level":-20.448620,"freq_skew":2.901484,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"C","sublabel":"DF","msg_text":"16717266 326 324 298 304\r\n+1500 379990016817266 325 325 299 304\r\n+2000 380010016817266 326 324 299 305\r\n+2500 379990016817266 326 325 299 305\r\n+3000 379990016817266 326 325 300 305\r\n+3500 380000016817366 32"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873831,"usec":234321},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347167,"noise_level":-20.312496,"freq_skew":0.269488,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56091,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[250,248,44,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873832,"usec":22417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021250,"noise_level":-20.310291,"freq_skew":0.260004,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873833,"usec":515821},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694053,"noise_level":-20.061827,"freq_skew":2.804185,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53658,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[142,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":23,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873834,"usec":300235},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.072127,"noise_level":-19.643412,"freq_skew":2.567132,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":52347},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599169,"noise_level":-19.969656,"freq_skew":0.013304,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGPF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":52491},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921599,"noise_level":-19.969656,"freq_skew":-0.219546,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":3,"calling_addr":"22231212","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,80,82,84,0,73,50,138,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":52630},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087380,"noise_level":-19.969656,"freq_skew":-0.171262,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTJ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":58094},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459354,"noise_level":-19.892103,"freq_skew":0.481125,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":809207},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992910,"noise_level":-20.290068,"freq_skew":0.269343,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56091,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,205,94,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":810017},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.814139,"noise_level":-20.281090,"freq_skew":0.909075,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":216,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873835,"usec":814703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580709,"noise_level":-20.209610,"freq_skew":-0.126339,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873837,"usec":339227},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121992,"noise_level":-19.809647,"freq_skew":3.550767,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"U295BM","msg_num":"M24","msg_num_seq":"A","msg_text":"/EGKK.TI2/040EGKKA7673"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873838,"usec":90869},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892158,"noise_level":-19.674736,"freq_skew":-0.754588,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[245,158,151,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873838,"usec":92206},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478859,"noise_level":-21.074381,"freq_skew":2.574105,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"D","sublabel":"DF","msg_text":"7 326 300 306\r\n+4000 380020016817366 327 326 300 305\r\n+4500 380030016917366 327 325 302 304\r\n+5000 380000016817366 326 326 300 304\r\n+5500 380000016817266 325 323 300 304\r\n+6000 379990016817266 325 324 299 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873838,"usec":99928},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.118268,"noise_level":-20.947525,"freq_skew":2.587792,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1239,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[184,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873838,"usec":867252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051154,"noise_level":-20.803421,"freq_skew":-0.513703,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873839,"usec":625150},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433593,"noise_level":-21.341026,"freq_skew":2.706908,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"E","sublabel":"DF","msg_text":"05\r\n+6500 379970016817266 325 325 299 305\r\n+7000 379990016817366 327 325 300 305\r\n+7500 380010016817266 326 326 300 305\r\n+8000 380010016817366 326 326 300 306\r\n+8500 380000016817366 326 325 300 305\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873840,"usec":381314},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294216,"noise_level":-21.170399,"freq_skew":2.826171,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":1.700000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873840,"usec":385325},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.120766,"noise_level":-21.101103,"freq_skew":3.563162,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"U295BM","msg_num":"M24","msg_num_seq":"A","msg_text":"/EGKK.TI2/040EGKKA7673"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873841,"usec":153658},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588619,"noise_level":-20.935080,"freq_skew":2.759944,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"E","sublabel":"DF","msg_text":"05\r\n+6500 379970016817266 325 325 299 305\r\n+7000 379990016817366 327 325 300 305\r\n+7500 380010016817266 326 326 300 305\r\n+8000 380010016817366 326 326 300 306\r\n+8500 380000016817366 326 325 300 305\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873841,"usec":912423},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415114,"noise_level":-21.133389,"freq_skew":2.782671,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"E","sublabel":"DF","msg_text":"05\r\n+6500 379970016817266 325 325 299 305\r\n+7000 379990016817366 327 325 300 305\r\n+7500 380010016817266 326 326 300 305\r\n+8000 380010016817366 326 326 300 306\r\n+8500 380000016817366 326 325 300 305\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873841,"usec":913483},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.251990,"noise_level":-22.224255,"freq_skew":3.518948,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"_d","blk_id":"9","ack":"I","flight":"U295BM","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873841,"usec":918261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893384,"noise_level":-22.146061,"freq_skew":-0.686029,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873841,"usec":920491},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655040,"noise_level":-23.283928,"freq_skew":2.921204,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873842,"usec":655509},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169637,"noise_level":-23.208197,"freq_skew":3.399682,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,035243,1,1,TB000000/REP040,00,00,1/CCG-UZLK,MAY27,092328,LIPX,EGKK,0095/C106,35602,4000,44,0011,0,1100,44,X/CE-300,34851,252,743,5882,295,F22Y01/LI235/N5 199.50, 176.50,41.00, 67.5,118.2/N5 115.50, 132"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873842,"usec":656405},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892097,"noise_level":-23.195639,"freq_skew":0.293415,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56091,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,205,94,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873842,"usec":656920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406343,"noise_level":-23.183098,"freq_skew":0.640238,"avlc":{"src":{"addr":"405F13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873842,"usec":660922},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503590,"noise_level":-23.095821,"freq_skew":2.752288,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126475","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,61,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873843,"usec":441794},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575124,"noise_level":-22.875347,"freq_skew":2.679543,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":true,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"F","sublabel":"DF","msg_text":"79990016817366 326 326 300 306\r\n-30 84 84 169 1730060106611\r\n-25 84 84 169 1730060106611\r\n-20 84 84 169 1730050106611\r\n-15 84 84 170 1730060106611\r\n-10 84 84 170 1740060106611\r\n-05 84 84 170 1740060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873843,"usec":442652},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054343,"noise_level":-23.767979,"freq_skew":3.259206,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"1","ack":"J","flight":"U295BM","msg_num":"D37","msg_num_seq":"B","sublabel":"DF","msg_text":".00,41.50, 70.0,125.6/N5FO ,NR ,NFC,NFC,092303/N5FO ,NR ,NFC,NFC/N4 200.00, 177.50,41.50, 65.5,125.8/N4 116.00, 126.50,42.00, 70.0,134.8/N4FO ,NR ,NFC,NFC,092308/N4FO ,NR ,NFC,NFC/N3 201.00, 179.00,38.50, 6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873844,"usec":192483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904381,"noise_level":-23.387722,"freq_skew":2.720931,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873844,"usec":961240},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052620,"noise_level":-23.656874,"freq_skew":3.310239,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"C","sublabel":"DF","msg_text":"5.5,132.5/N3 141.50, 147.50,40.00, 69.0,141.7/N3FO ,NR ,NFC,NFC,092313/N3FO ,NR ,NFC,NFC/N2 202.50, 180.00,42.50, 66.5,132.6/N2 176.50, 180.00,40.50, 67.5,141.8/N2FO ,NR ,NFC,NFC,092318/N2FO ,NR ,NFC,NFC/N1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873845,"usec":728814},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205653,"noise_level":-23.357719,"freq_skew":3.180706,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"D","sublabel":"DF","msg_text":" 204.00, 181.00,39.00, 64.5,130.5/N1 211.00, 207.50,40.00, 66.5,139.3/N1FO ,NR ,NFC,NFC,092323/N1FO ,NR ,NFC,NFC/EV 204.50, 181.50,42.00, 64.5,117.5/EV 237.50, 232.50,40.50, 67.0,124.9/EVFO ,NR ,NFC,NFC,092"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873847,"usec":243142},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444013,"noise_level":-23.612604,"freq_skew":2.721862,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":true,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"F","sublabel":"DF","msg_text":"79990016817366 326 326 300 306\r\n-30 84 84 169 1730060106611\r\n-25 84 84 169 1730060106611\r\n-20 84 84 169 1730050106611\r\n-15 84 84 170 1730060106611\r\n-10 84 84 170 1740060106611\r\n-05 84 84 170 1740060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873847,"usec":244047},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.217839,"noise_level":-23.599449,"freq_skew":3.349219,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"E","sublabel":"DF","msg_text":"328/EVFO ,NR ,NFC,NFC/P1 207.00, 184.00,42.50, 65.5, 96.9/P1 218.50, 225.00,40.00, 67.0,101.6/P1FO ,NR ,NFC,NFC,092333/P1FO ,NR ,NFC,NFC/P2 208.50, 185.00,40.50, 65.5, 77.8/P2 163.00, 184.00,41.00, 66.5, 81"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873847,"usec":247790},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095955,"noise_level":-23.533966,"freq_skew":0.211087,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56091,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,205,94,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873847,"usec":999673},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181714,"noise_level":-23.552267,"freq_skew":3.357568,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"F","sublabel":"DF","msg_text":".3/P2FO ,NR ,NFC,NFC,092338/P2FO ,NR ,NFC,NFC/P3 208.00, 184.50,39.00, 55.0, 64.8/P3 120.00, 140.00,39.50, 58.0, 68.0/P3FO ,NR ,NFC,NFC,092343/P3FO ,NR ,NFC,NFC/P4 212.00, 187.00,37.50, 45.0, 53.9/P4 114.50"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873849,"usec":530175},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871387,"noise_level":-22.885559,"freq_skew":-0.572059,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873850,"usec":288399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846706,"noise_level":-23.068159,"freq_skew":-0.843611,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873851,"usec":49535},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528813,"noise_level":-23.770683,"freq_skew":2.603017,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":true,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"F","sublabel":"DF","msg_text":"79990016817366 326 326 300 306\r\n-30 84 84 169 1730060106611\r\n-25 84 84 169 1730060106611\r\n-20 84 84 169 1730050106611\r\n-15 84 84 170 1730060106611\r\n-10 84 84 170 1740060106611\r\n-05 84 84 170 1740060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873851,"usec":806541},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168827,"noise_level":-23.403152,"freq_skew":3.500840,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"G","sublabel":"DF","msg_text":"A320,035243,1,1,TB000000/REP040,00,00,1/CCG-UZLK,MAY27,092328,LIPX,EGKK,0095/C106,35602,4000,44,0011,0,1100,44,X/CE-300,34851,252,743,5882,295,F22Y01/LI235/N5 199.50, 176.50,41.00, 67.5,118.2/N5 115.50, 132.00,41.50, 70.0,125.6/N5FO ,NR ,NFC,NFC,092303/N5FO ,NR ,NFC,NFC/N4 200.00, 177.50,41.50, 65.5,125.8/N4 116.00, 126.50,42.00, 70.0,134.8/N4FO ,NR ,NFC,NFC,092308/N4FO ,NR ,NFC,NFC/N3 201.00, 179.00,38.50, 65.5,132.5/N3 141.50, 147.50,40.00, 69.0,141.7/N3FO ,NR ,NFC,NFC,092313/N3FO ,NR ,NFC,NFC/N2 202.50, 180.00,42.50, 66.5,132.6/N2 176.50, 180.00,40.50, 67.5,141.8/N2FO ,NR ,NFC,NFC,092318/N2FO ,NR ,NFC,NFC/N1 204.00, 181.00,39.00, 64.5,130.5/N1 211.00, 207.50,40.00, 66.5,139.3/N1FO ,NR ,NFC,NFC,092323/N1FO ,NR ,NFC,NFC/EV 204.50, 181.50,42.00, 64.5,117.5/EV 237.50, 232.50,40.50, 67.0,124.9/EVFO ,NR ,NFC,NFC,092328/EVFO ,NR ,NFC,NFC/P1 207.00, 184.00,42.50, 65.5, 96.9/P1 218.50, 225.00,40.00, 67.0,101.6/P1FO ,NR ,NFC,NFC,092333/P1FO ,NR ,NFC,NFC/P2 208.50, 185.00,40.50, 65.5, 77.8/P2 163.00, 184.00,41.00, 66.5, 81.3/P2FO ,NR ,NFC,NFC,092338/P2FO ,NR ,NFC,NFC/P3 208.00, 184.50,39.00, 55.0, 64.8/P3 120.00, 140.00,39.50, 58.0, 68.0/P3FO ,NR ,NFC,NFC,092343/P3FO ,NR ,NFC,NFC/P4 212.00, 187.00,37.50, 45.0, 53.9/P4 114.50, 127.00,39.00, 48.5, 57.2/P4FO ,NR ,NFC,NFC,092348/P4FO ,NR ,NFC,NFC/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873852,"usec":573735},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490066,"noise_level":-22.940180,"freq_skew":2.730849,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"G","sublabel":"DF","msg_text":" 58 84 84 170 1740060106611\r\n+05 84 84 170 1740060106611\r\n+10 84 84 170 1740060106611\r\n+15 84 84 169 1740060106611\r\n+20 84 84 169 1740060106611\r\n+25 84 84 169 1740050106611\r\n+30 84 84 169 1740060106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873852,"usec":577318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058397,"noise_level":-23.694153,"freq_skew":-0.884974,"avlc":{"src":{"addr":"894098","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D1D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873854,"usec":103027},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616776,"noise_level":-24.016113,"freq_skew":2.920606,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"H","sublabel":"DF","msg_text":" 84 84 169 1740060106611\r\n+40 84 84 169 1740060106611\r\n+45 84 84 169 1740060106611\r\n+50 84 84 169 1740060106611\r\n+55 84 84 169 1740060106611\r\n+60 84 84 169 1740060106611\r\n+65 84 84 169 1740060106611\r\n+70 84"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873854,"usec":865401},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839345,"noise_level":-24.473572,"freq_skew":-0.494090,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873854,"usec":874352},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957237,"noise_level":-24.933729,"freq_skew":1.590307,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":142,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873854,"usec":878691},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.072332,"noise_level":-24.827084,"freq_skew":3.520705,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZLK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"U295BM","msg_num":"D37","msg_num_seq":"G","sublabel":"DF","msg_text":", 127.00,39.00, 48.5, 57.2/P4FO ,NR ,NFC,NFC,092348/P4FO ,NR ,NFC,NFC/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873855,"usec":632803},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815968,"noise_level":-24.485624,"freq_skew":2.014902,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH6952","msg_num":"M25","msg_num_seq":"A","msg_text":"00020209215KWV,),)UU8K6KOA:IMPI5QBSS282DDO-EMXX1K*AP*"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873856,"usec":386836},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396487,"noise_level":-24.227455,"freq_skew":2.929227,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"I","sublabel":"DF","msg_text":" 84 169 1740060106611\r\n+75 84 84 169 1740060106611\r\n+80 84 84 169 1740060106611\r\n+85 84 84 169 1740060106611\r\n+90 84 84 169 1730060106611\r\n-30 70 75 24 28-078700 -568ER\r\n-25 70 76 24 28-078600 -568ER\r\n-20 7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873856,"usec":388808},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.241323,"noise_level":-24.983606,"freq_skew":-0.045101,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62012,"credit":4,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[72,118,37,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873857,"usec":904981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331969,"noise_level":-24.503761,"freq_skew":0.047017,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873857,"usec":915713},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834074,"noise_level":-24.230911,"freq_skew":1.313502,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":142,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873858,"usec":665171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642114,"noise_level":-24.090675,"freq_skew":2.316769,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873858,"usec":670864},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577646,"noise_level":-23.966372,"freq_skew":2.628693,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"J","sublabel":"DF","msg_text":"0 77 24 28-078700 -568ER\r\n-15 70 77 24 28-078800 -570ER\r\n-10 70 77 24 28-079000 -573ER\r\n-05 70 77 24 29-078900 -575ER\r\n 58 70 78 24 28-078700 -573ER\r\n+05 70 78 24 28-078700 -573ER\r\n+10 70 76 24 28-078700 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873858,"usec":671809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525645,"noise_level":-23.952671,"freq_skew":1.374149,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873859,"usec":445149},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.878749,"noise_level":-23.749685,"freq_skew":3.390702,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873860,"usec":200578},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441053,"noise_level":-23.243107,"freq_skew":2.821179,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"K","sublabel":"DF","msg_text":"73ER\r\n+15 70 72 24 28-078800 -573ER\r\n+20 70 72 24 28-078800 -573ER\r\n+25 70 72 24 29-078900 -573ER\r\n+30 70 71 24 29-079000 -573ER\r\n+35 70 71 24 28-079000 -575ER\r\n+40 70 73 24 29-079000 -575ER\r\n+45 70 74 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873862,"usec":472061},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455808,"noise_level":-22.447887,"freq_skew":2.645041,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"L","sublabel":"DF","msg_text":"8-079000 -573ER\r\n+50 70 75 24 28-078900 -573ER\r\n+55 70 75 24 28-078800 -573ER\r\n+60 70 74 24 28-078700 -573ER\r\n+65 70 74 24 28-078800 -573ER\r\n+70 70 74 24 28-079000 -575ER\r\n+75 70 74 24 28-079000 -578ER\r\n+80"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873864,"usec":5619},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340429,"noise_level":-21.868906,"freq_skew":3.181822,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53650,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[114,40,199,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873864,"usec":11124},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545034,"noise_level":-21.761856,"freq_skew":2.952490,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D83","msg_num_seq":"M","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092158\r\n 463185360379360A607BCG3A-L200-0002\r\n-3000 379940016717266 323 325 298 305\r\n-2500 379950016817366 324 324 298 303\r\n-2000 379960016817266 325 324 298 304\r\n-1500 379990016817366 325 324 299 304\r\n-1000 380010016817366 325 326 300 305\r\n-0500 380000016817266 326 325 299 304\r\n 5800 379990016817266 325 324 299 304\r\n+0500 379990016817366 325 324 298 303\r\n+1000 379990016717266 326 324 298 304\r\n+1500 379990016817266 325 325 299 304\r\n+2000 380010016817266 326 324 299 305\r\n+2500 379990016817266 326 325 299 305\r\n+3000 379990016817266 326 325 300 305\r\n+3500 380000016817366 327 326 300 306\r\n+4000 380020016817366 327 326 300 305\r\n+4500 380030016917366 327 325 302 304\r\n+5000 380000016817366 326 326 300 304\r\n+5500 380000016817266 325 323 300 304\r\n+6000 379990016817266 325 324 299 305\r\n+6500 379970016817266 325 325 299 305\r\n+7000 379990016817366 327 325 300 305\r\n+7500 380010016817266 326 326 300 305\r\n+8000 380010016817366 326 326 300 306\r\n+8500 380000016817366 326 325 300 305\r\n+9000 379990016817366 326 326 300 306\r\n-30 84 84 169 1730060106611\r\n-25 84 84 169 1730060106611\r\n-20 84 84 169 1730050106611\r\n-15 84 84 170 1730060106611\r\n-10 84 84 170 1740060106611\r\n-05 84 84 170 1740060106611\r\n 58 84 84 170 1740060106611\r\n+05 84 84 170 1740060106611\r\n+10 84 84 170 1740060106611\r\n+15 84 84 169 1740060106611\r\n+20 84 84 169 1740060106611\r\n+25 84 84 169 1740050106611\r\n+30 84 84 169 1740060106611\r\n+35 84 84 169 1740060106611\r\n+40 84 84 169 1740060106611\r\n+45 84 84 169 1740060106611\r\n+50 84 84 169 1740060106611\r\n+55 84 84 169 1740060106611\r\n+60 84 84 169 1740060106611\r\n+65 84 84 169 1740060106611\r\n+70 84 84 169 1740060106611\r\n+75 84 84 169 1740060106611\r\n+80 84 84 169 1740060106611\r\n+85 84 84 169 1740060106611\r\n+90 84 84 169 1730060106611\r\n-30 70 75 24 28-078700 -568ER\r\n-25 70 76 24 28-078600 -568ER\r\n-20 70 77 24 28-078700 -568ER\r\n-15 70 77 24 28-078800 -570ER\r\n-10 70 77 24 28-079000 -573ER\r\n-05 70 77 24 29-078900 -575ER\r\n 58 70 78 24 28-078700 -573ER\r\n+05 70 78 24 28-078700 -573ER\r\n+10 70 76 24 28-078700 -573ER\r\n+15 70 72 24 28-078800 -573ER\r\n+20 70 72 24 28-078800 -573ER\r\n+25 70 72 24 29-078900 -573ER\r\n+30 70 71 24 29-079000 -573ER\r\n+35 70 71 24 28-079000 -575ER\r\n+40 70 73 24 29-079000 -575ER\r\n+45 70 74 24 28-079000 -573ER\r\n+50 70 75 24 28-078900 -573ER\r\n+55 70 75 24 28-078800 -573ER\r\n+60 70 74 24 28-078700 -573ER\r\n+65 70 74 24 28-078800 -573ER\r\n+70 70 74 24 28-079000 -575ER\r\n+75 70 74 24 28-079000 -578ER\r\n+80 70 74 24 28-079000 -575ER\r\n+85 70 74 24 28-078900 -578ER\r\n+90 70 74 24 28-078800 -578ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873864,"usec":770848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161444,"noise_level":-21.499863,"freq_skew":3.172639,"avlc":{"src":{"addr":"407959","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873867,"usec":818359},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652882,"noise_level":-20.515202,"freq_skew":2.318383,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5388,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873868,"usec":579460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905589,"noise_level":-20.405296,"freq_skew":2.701054,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873871,"usec":638479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670946,"noise_level":-19.564541,"freq_skew":4.579328,"avlc":{"src":{"addr":"400DB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873871,"usec":643801},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.066847,"noise_level":-19.482319,"freq_skew":4.518419,"avlc":{"src":{"addr":"400DB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873872,"usec":396703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595367,"noise_level":-19.572666,"freq_skew":2.364166,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873873,"usec":154185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000149,"noise_level":-19.376442,"freq_skew":1.346214,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873874,"usec":673534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.010363,"noise_level":-18.935125,"freq_skew":4.448364,"avlc":{"src":{"addr":"400DB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873875,"usec":433498},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700841,"noise_level":-19.159397,"freq_skew":1.990463,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[56,16,4,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873875,"usec":444520},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722872,"noise_level":-19.018620,"freq_skew":2.119859,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":129,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53601,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[4,244,84,119]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":24,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873876,"usec":952243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812887,"noise_level":-18.743725,"freq_skew":-0.160271,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873877,"usec":711107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208775,"noise_level":-19.767458,"freq_skew":2.187722,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873881,"usec":534560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.868213,"noise_level":-18.679922,"freq_skew":1.897424,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873883,"usec":48642},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414258,"noise_level":-18.617447,"freq_skew":2.753096,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1240,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873883,"usec":50148},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460259,"noise_level":-18.643097,"freq_skew":2.364852,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[178,62]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873886,"usec":111913},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700798,"noise_level":-18.770004,"freq_skew":0.841755,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":0.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873887,"usec":618879},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624395,"noise_level":-19.458220,"freq_skew":0.991973,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,68,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873887,"usec":626485},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851266,"noise_level":-20.165695,"freq_skew":0.858836,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCV","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR07FE","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873888,"usec":394452},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011454,"noise_level":-19.921276,"freq_skew":1.062419,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873892,"usec":953469},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913403,"noise_level":-18.815496,"freq_skew":2.623464,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873893,"usec":717555},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704820,"noise_level":-19.053970,"freq_skew":2.447564,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,40,62,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873893,"usec":717933},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524182,"noise_level":-19.046183,"freq_skew":2.392832,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":52.900002,"lon":2.600000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873894,"usec":484608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066977,"noise_level":-18.815784,"freq_skew":2.469014,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873895,"usec":238547},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460309,"noise_level":-19.104517,"freq_skew":2.237130,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126044","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,172,36,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873895,"usec":246190},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621588,"noise_level":-19.003252,"freq_skew":2.308030,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGM","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR95SZ","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873895,"usec":251232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991357,"noise_level":-18.933830,"freq_skew":2.667881,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873897,"usec":532376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871444,"noise_level":-18.750799,"freq_skew":2.566617,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873898,"usec":283225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888003,"noise_level":-18.728262,"freq_skew":2.071931,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873899,"usec":46175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711732,"noise_level":-18.944641,"freq_skew":2.174411,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873899,"usec":46302},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898201,"noise_level":-18.936951,"freq_skew":-0.729351,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873899,"usec":57726},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056940,"noise_level":-18.958780,"freq_skew":-0.795908,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[75,107,201,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873899,"usec":825088},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884751,"noise_level":-19.877125,"freq_skew":-0.934880,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[212,253,202,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":24,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873900,"usec":564972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876714,"noise_level":-20.198345,"freq_skew":-0.998222,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873902,"usec":841976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066350,"noise_level":-20.719337,"freq_skew":2.696207,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873908,"usec":971634},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484601,"noise_level":-18.896078,"freq_skew":2.250475,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[54,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873908,"usec":974658},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893565,"noise_level":-18.865534,"freq_skew":-0.801408,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[142,24,254,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":25,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873910,"usec":473237},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067854,"noise_level":-20.944729,"freq_skew":-0.691418,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873911,"usec":245487},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885529,"noise_level":-21.001795,"freq_skew":-0.765461,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[160,56,251,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873912,"usec":5563},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749721,"noise_level":-21.572876,"freq_skew":2.113613,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.600000},"alt":25000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873912,"usec":752629},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595977,"noise_level":-21.418106,"freq_skew":2.182592,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR09ET","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873913,"usec":524470},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821425,"noise_level":-21.667625,"freq_skew":2.336862,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221516","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873913,"usec":534652},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827278,"noise_level":-22.045877,"freq_skew":2.383913,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[54,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873914,"usec":290464},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724082,"noise_level":-22.482244,"freq_skew":2.098242,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873915,"usec":816267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807040,"noise_level":-21.890240,"freq_skew":2.420379,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873915,"usec":819034},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791367,"noise_level":-21.836418,"freq_skew":0.383261,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":52.100002,"lon":1.100000},"alt":95000}},{"name":"alternate_ground_stations","value":["10959A","10988A","1091EA","109FCA","1099DA","10919A","10983A","1094EA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873915,"usec":819344},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354823,"noise_level":-21.836418,"freq_skew":2.231750,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":954,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53619,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[139,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873915,"usec":820000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041715,"noise_level":-21.825695,"freq_skew":-0.749026,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873916,"usec":583727},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002494,"noise_level":-22.709030,"freq_skew":-0.996326,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53586,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[245,5,46,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873916,"usec":585747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225577,"noise_level":-23.746653,"freq_skew":0.152015,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873916,"usec":588595},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693586,"noise_level":-23.693333,"freq_skew":-0.811228,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53586,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[181,213,63,25]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873916,"usec":588595},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.693586,"noise_level":-23.693333,"freq_skew":-0.811228,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56120,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[40,155,171,143]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":25,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873917,"usec":340160},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670138,"noise_level":-24.626341,"freq_skew":0.213208,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"36017514","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,31,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873917,"usec":342839},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589682,"noise_level":-25.402334,"freq_skew":1.983858,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873918,"usec":99798},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856809,"noise_level":-25.162985,"freq_skew":0.122367,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"CZ2531","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873918,"usec":100137},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387292,"noise_level":-25.162985,"freq_skew":-0.681614,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[96,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873918,"usec":861434},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081847,"noise_level":-25.316067,"freq_skew":0.798778,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.300000},"alt":27000}},{"name":"alternate_ground_stations","value":["10919A","10987A","10959A","1094EA","1099DA","10988A","10900A","10980A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873920,"usec":378434},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615232,"noise_level":-24.697853,"freq_skew":0.407577,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873920,"usec":380459},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929807,"noise_level":-24.653214,"freq_skew":-1.010125,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[96,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873920,"usec":387129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787828,"noise_level":-24.476913,"freq_skew":0.645801,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"KL076U","msg_num":"M02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873920,"usec":387535},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.680448,"noise_level":-24.612938,"freq_skew":-2.193490,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":4.000000},"alt":7000}},{"name":"alternate_ground_stations","value":["214AB7","20B678","225677","219DD7","219DD8","2190F8"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":138818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006715,"noise_level":-24.495548,"freq_skew":0.357981,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":139054},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916200,"noise_level":-25.189987,"freq_skew":0.907875,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22052214","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,84,140,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":143373},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024456,"noise_level":-25.080168,"freq_skew":-0.892146,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":149070},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087800,"noise_level":-26.065214,"freq_skew":-0.975699,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":910669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948656,"noise_level":-26.896740,"freq_skew":0.491221,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":915490},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818321,"noise_level":-26.744356,"freq_skew":-1.032756,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":42825,"dst_ref":53586,"variable_part_params":[{"name":"atn_checksum","value":[38,221,197,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873921,"usec":916161},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949795,"noise_level":-27.489540,"freq_skew":-0.946383,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56120,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[70,42,93,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873922,"usec":670451},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317847,"noise_level":-27.453966,"freq_skew":2.166482,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53633,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[50,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873922,"usec":673745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569455,"noise_level":-27.331896,"freq_skew":0.935741,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873923,"usec":423545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.790620,"noise_level":-27.053562,"freq_skew":0.664095,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873923,"usec":424535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883478,"noise_level":-27.034016,"freq_skew":2.144584,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53633,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[205,71]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873923,"usec":429347},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961223,"noise_level":-26.879230,"freq_skew":-0.731966,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873923,"usec":431667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.545591,"noise_level":-27.040112,"freq_skew":-2.299671,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873924,"usec":193682},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927677,"noise_level":-26.770830,"freq_skew":-1.023676,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873924,"usec":197463},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693153,"noise_level":-27.529778,"freq_skew":-1.031267,"avlc":{"src":{"addr":"4BCDB6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56120,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[155,246,143,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873924,"usec":202027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908540,"noise_level":-28.130375,"freq_skew":2.461313,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873924,"usec":952335},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005765,"noise_level":-27.804346,"freq_skew":2.227518,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":53633,"variable_part_params":[{"name":"checksum","value":[91,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873924,"usec":954118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.642376,"noise_level":-27.740583,"freq_skew":-2.249389,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873926,"usec":481432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.596670,"noise_level":-26.703825,"freq_skew":0.389319,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873927,"usec":256230},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621876,"noise_level":-26.069759,"freq_skew":2.954896,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092339\r\n 488195460379360A607BCG3A-L200-0002\r\n-3000 379990016817266 326 325 301 306\r\n-2500 380010016817266 327 326 300 305\r\n-2000 380020016817366 326 326 299 306\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873928,"usec":771253},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180346,"noise_level":-25.777012,"freq_skew":2.161351,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":53633,"variable_part_params":[{"name":"checksum","value":[91,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873929,"usec":529298},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755536,"noise_level":-25.494497,"freq_skew":2.936390,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379990016817366 326 325 300 306\r\n-1000 379990016817266 327 325 300 307\r\n-0500 379970016817366 326 326 300 306\r\n 3900 379940016817266 325 325 299 306\r\n+0500 379890016717266 325 324 299 306\r\n+1000 3798800"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873930,"usec":293198},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723123,"noise_level":-24.955626,"freq_skew":2.653191,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":1.500000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873931,"usec":51509},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568074,"noise_level":-24.578257,"freq_skew":2.585906,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379990016817366 326 325 300 306\r\n-1000 379990016817266 327 325 300 307\r\n-0500 379970016817366 326 326 300 306\r\n 3900 379940016817266 325 325 299 306\r\n+0500 379890016717266 325 324 299 306\r\n+1000 3798800"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873931,"usec":819853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927256,"noise_level":-24.345963,"freq_skew":2.598842,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873932,"usec":570302},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635458,"noise_level":-24.820915,"freq_skew":2.701772,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379990016817366 326 325 300 306\r\n-1000 379990016817266 327 325 300 307\r\n-0500 379970016817366 326 326 300 306\r\n 3900 379940016817266 325 325 299 306\r\n+0500 379890016717266 325 324 299 306\r\n+1000 3798800"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873932,"usec":579689},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610100,"noise_level":-24.582130,"freq_skew":2.872642,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126475","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,61,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873933,"usec":344383},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530659,"noise_level":-24.498642,"freq_skew":2.873791,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":true,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"C","sublabel":"DF","msg_text":"16717166 325 325 298 305\r\n+1500 379940016717266 325 325 298 306\r\n+2000 379980016817366 325 326 300 307\r\n+2500 380000016917366 328 328 301 309\r\n+3000 380050017117566 329 331 303 312\r\n+3500 380050017017666 33"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873934,"usec":101471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685336,"noise_level":-24.155588,"freq_skew":2.209436,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":350,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873934,"usec":104881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687701,"noise_level":-24.085793,"freq_skew":2.723763,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873934,"usec":109151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833383,"noise_level":-23.989012,"freq_skew":0.330718,"avlc":{"src":{"addr":"4BCE42","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56091,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[66,70,131,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873934,"usec":869522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981055,"noise_level":-23.731632,"freq_skew":2.752026,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873935,"usec":621379},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.825830,"noise_level":-23.520653,"freq_skew":0.648767,"avlc":{"src":{"addr":"40688D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-XLEC","mode":"2","label":"15","blk_id":"4","ack":"!","flight":"BA008K","msg_num":"U90","msg_num_seq":"A","msg_text":"FST01KDFWEGLLN520209W0011835159 1561009 M9C007065135134321 09420925"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873935,"usec":632941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208796,"noise_level":-23.289270,"freq_skew":1.896255,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873937,"usec":908700},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999263,"noise_level":-22.921497,"freq_skew":0.705864,"avlc":{"src":{"addr":"40688D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873937,"usec":911233},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239215,"noise_level":-23.542938,"freq_skew":2.275550,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53601,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[20,198,175,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":25,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873939,"usec":444935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664402,"noise_level":-22.998734,"freq_skew":0.808786,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873939,"usec":448895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520702,"noise_level":-22.925438,"freq_skew":2.306946,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873939,"usec":451943},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767618,"noise_level":-22.852757,"freq_skew":1.513691,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.000000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873941,"usec":714222},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842232,"noise_level":-22.057905,"freq_skew":0.704824,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"_d","blk_id":"4","ack":"P","flight":"KL076U","msg_num":"M03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873942,"usec":480520},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407168,"noise_level":-22.419388,"freq_skew":2.074636,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53601,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[226,169,104,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873942,"usec":483138},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509623,"noise_level":-23.432186,"freq_skew":2.363821,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53601,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[91,66,130,254]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873943,"usec":243460},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109837,"noise_level":-23.029037,"freq_skew":2.093485,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873943,"usec":247526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601388,"noise_level":-22.931108,"freq_skew":2.330581,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873944,"usec":21293},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681803,"noise_level":-22.667360,"freq_skew":2.328868,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":53601,"variable_part_params":[{"name":"atn_checksum","value":[221,12,110,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873947,"usec":803441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321186,"noise_level":-21.426088,"freq_skew":0.773032,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873947,"usec":805072},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014576,"noise_level":-21.395435,"freq_skew":1.807177,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.000000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873950,"usec":861434},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796396,"noise_level":-20.313169,"freq_skew":0.854422,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"_d","blk_id":"5","ack":"Q","flight":"KL076U","msg_num":"M04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873955,"usec":435087},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974313,"noise_level":-19.484470,"freq_skew":1.525838,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.000000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873957,"usec":715111},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783055,"noise_level":-19.197834,"freq_skew":0.642697,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":100,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873960,"usec":757320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106453,"noise_level":-18.346062,"freq_skew":0.728754,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873964,"usec":584726},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888269,"noise_level":-17.414223,"freq_skew":1.585772,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.000000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873965,"usec":337503},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484565,"noise_level":-17.362778,"freq_skew":1.508625,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BA0919","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873965,"usec":347278},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885244,"noise_level":-18.102194,"freq_skew":1.671030,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20074457","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,121,47,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873966,"usec":101565},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032824,"noise_level":-17.922552,"freq_skew":1.579663,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873966,"usec":872350},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329375,"noise_level":-17.874815,"freq_skew":1.591106,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"BA0919","msg_num":"S48","msg_num_seq":"A","msg_text":"0EV092604V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":26,"sec":4}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873966,"usec":886015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.565608,"noise_level":-17.733158,"freq_skew":0.795599,"avlc":{"src":{"addr":"4D2244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873969,"usec":147275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684486,"noise_level":-17.924026,"freq_skew":1.635117,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873969,"usec":909634},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453440,"noise_level":-17.761412,"freq_skew":1.944186,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"ZD0102","msg_num":"F07","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/FNPLF102/DTEGGW,07O,235,093018,29FD65"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873971,"usec":435990},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036489,"noise_level":-18.443991,"freq_skew":2.050122,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873972,"usec":190270},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.568472,"noise_level":-18.721634,"freq_skew":1.098997,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":3.300000},"alt":15000}},{"name":"alternate_ground_stations","value":["1096EA","10980A","109C7A","10919A","10959A","1099DA","1094AA","10987A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873972,"usec":953925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285771,"noise_level":-18.528860,"freq_skew":-1.146414,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873973,"usec":716346},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.820848,"noise_level":-18.701912,"freq_skew":1.289857,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXS","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"KL058P","msg_num":"M91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873976,"usec":757530},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487378,"noise_level":-18.217543,"freq_skew":2.848186,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"C","sublabel":"DF","msg_text":"16717166 325 325 298 305\r\n+1500 379940016717266 325 325 298 306\r\n+2000 379980016817366 325 326 300 307\r\n+2500 380000016917366 328 328 301 309\r\n+3000 380050017117566 329 331 303 312\r\n+3500 380050017017666 33"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873976,"usec":759368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.812063,"noise_level":-19.037052,"freq_skew":1.188772,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873976,"usec":760467},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.557984,"noise_level":-19.029282,"freq_skew":0.057617,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":97,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62012,"credit":4,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[72,118,37,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873976,"usec":762717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.281188,"noise_level":-19.076172,"freq_skew":-1.029401,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873977,"usec":550528},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717333,"noise_level":-18.822205,"freq_skew":1.723600,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":745,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873978,"usec":287987},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507360,"noise_level":-19.306721,"freq_skew":2.648115,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"D","sublabel":"DF","msg_text":"1 331 304 313\r\n+4000 380000017117566 331 330 304 313\r\n+4500 379910017017466 329 330 302 311\r\n+5000 379890016917466 328 328 302 309\r\n+5500 379920016917466 328 328 301 310\r\n+6000 379940016917466 329 329 302 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873981,"usec":339167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614475,"noise_level":-18.448391,"freq_skew":1.864729,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873982,"usec":110915},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481944,"noise_level":-18.365179,"freq_skew":2.839095,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"D","sublabel":"DF","msg_text":"1 331 304 313\r\n+4000 380000017117566 331 330 304 313\r\n+4500 379910017017466 329 330 302 311\r\n+5000 379890016917466 328 328 302 309\r\n+5500 379920016917466 328 328 301 310\r\n+6000 379940016917466 329 329 302 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873983,"usec":631524},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559915,"noise_level":-19.197838,"freq_skew":2.900141,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"E","sublabel":"DF","msg_text":"10\r\n+6500 379930017017466 328 328 301 312\r\n+7000 379930016917466 328 329 301 311\r\n+7500 379940017017566 329 331 303 313\r\n+8000 379990017117566 330 330 304 312\r\n+8500 379980017117666 331 332 304 314\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873984,"usec":386962},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840573,"noise_level":-18.909639,"freq_skew":-1.132689,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":192,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873985,"usec":906865},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542683,"noise_level":-19.352102,"freq_skew":2.566998,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"F","sublabel":"DF","msg_text":"79970017217666 332 333 306 313\r\n-30 84 84 169 1740050106611\r\n-25 84 84 169 1740060106611\r\n-20 84 84 169 1740060106611\r\n-15 84 84 169 1740060106611\r\n-10 84 84 169 1730060106611\r\n-05 84 84 169 1730060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873985,"usec":908192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803909,"noise_level":-19.487751,"freq_skew":-1.453241,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873987,"usec":435626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.490899,"noise_level":-19.072052,"freq_skew":2.147921,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873987,"usec":442626},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503738,"noise_level":-18.978882,"freq_skew":2.868185,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"G","sublabel":"DF","msg_text":" 39 84 84 169 1730060106611\r\n+05 84 84 169 1730060106611\r\n+10 84 84 169 1730060106611\r\n+15 84 84 169 1730060106611\r\n+20 84 84 169 1720060106611\r\n+25 84 84 169 1720060106611\r\n+30 85 84 169 1720060106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873989,"usec":722658},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436260,"noise_level":-18.810459,"freq_skew":2.840333,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"H","sublabel":"DF","msg_text":" 85 85 169 1720060106611\r\n+40 85 85 169 1720060106611\r\n+45 85 85 169 1720060106611\r\n+50 85 85 169 1720060106611\r\n+55 85 85 170 1720060106611\r\n+60 85 85 170 1720060106611\r\n+65 85 85 170 1720060106611\r\n+70 85"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873991,"usec":231895},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658664,"noise_level":-18.505333,"freq_skew":2.033002,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"ZD0102","msg_num":"M16","msg_num_seq":"A","msg_text":"092629,3910,0930, 236,N 51.835 W .679"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873994,"usec":296192},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518132,"noise_level":-17.682636,"freq_skew":2.599530,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"I","sublabel":"DF","msg_text":" 85 170 1730060106611\r\n+75 85 85 170 1730060106611\r\n+80 85 85 170 1730060106611\r\n+85 85 85 171 1720060106611\r\n+90 85 85 171 1730060106611\r\n-30 70 74 24 28-079000 -578ER\r\n-25 70 74 24 28-079000 -578ER\r\n-20 7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873995,"usec":45985},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038221,"noise_level":-17.636196,"freq_skew":2.052007,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873995,"usec":56583},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680929,"noise_level":-17.583382,"freq_skew":1.768392,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"...0110","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"ZD0102","msg_num":"M16","msg_num_seq":"A","msg_text":"092629,3910,0930, 236,N 51.835 W .679"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873995,"usec":808553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084890,"noise_level":-18.010466,"freq_skew":-0.213966,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873996,"usec":585846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776997,"noise_level":-18.505817,"freq_skew":2.030102,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873996,"usec":588817},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559788,"noise_level":-18.483906,"freq_skew":2.760637,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"J","sublabel":"DF","msg_text":"0 74 24 28-078900 -578ER\r\n-15 70 74 24 28-078900 -578ER\r\n-10 70 74 24 28-078800 -575ER\r\n-05 70 74 24 28-078700 -575ER\r\n 39 70 74 24 28-078400 -573ER\r\n+05 69 73 24 28-078300 -573ER\r\n+10 69 73 24 28-078300 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779873998,"usec":873687},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567239,"noise_level":-18.885939,"freq_skew":2.064317,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.400000},"alt":24000}},{"name":"alternate_ground_stations","value":["109FCA","10919A","1096EA","1099DA","10959A","10980A","10988A","1094AA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874001,"usec":137908},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334584,"noise_level":-19.484985,"freq_skew":2.634274,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"J","sublabel":"DF","msg_text":"0 74 24 28-078900 -578ER\r\n-15 70 74 24 28-078900 -578ER\r\n-10 70 74 24 28-078800 -575ER\r\n-05 70 74 24 28-078700 -575ER\r\n 39 70 74 24 28-078400 -573ER\r\n+05 69 73 24 28-078300 -573ER\r\n+10 69 73 24 28-078300 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874001,"usec":893256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488868,"noise_level":-19.290710,"freq_skew":1.584855,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874003,"usec":425858},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486776,"noise_level":-18.868856,"freq_skew":2.593354,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[184,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":205857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443082,"noise_level":-18.776312,"freq_skew":0.259806,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":215012},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330659,"noise_level":-18.656429,"freq_skew":1.718795,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":1.900000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":216678},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206924,"noise_level":-18.869516,"freq_skew":2.880586,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":950163},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535452,"noise_level":-18.801153,"freq_skew":3.397902,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2715,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":954884},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436074,"noise_level":-18.740833,"freq_skew":-2.217038,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":958270},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.101624,"noise_level":-18.703344,"freq_skew":1.045030,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXS","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"KL058P","msg_num":"M92","msg_num_seq":"A","msg_text":"/EHAM.TI2/024EHAMA687E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874004,"usec":958950},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576437,"noise_level":-19.003820,"freq_skew":2.097294,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874006,"usec":488987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473737,"noise_level":-19.552561,"freq_skew":2.396716,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874007,"usec":259109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.455029,"noise_level":-19.340670,"freq_skew":0.998582,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874007,"usec":996385},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785300,"noise_level":-19.350969,"freq_skew":2.138709,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.400000},"alt":24000}},{"name":"alternate_ground_stations","value":["109FCA","10919A","1096EA","1099DA","10959A","10980A","10988A","1094AA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874007,"usec":998003},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754751,"noise_level":-19.334864,"freq_skew":2.289042,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874007,"usec":999594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489644,"noise_level":-19.828224,"freq_skew":3.421520,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874008,"usec":767159},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296647,"noise_level":-19.726629,"freq_skew":3.625407,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":2.400000},"alt":85000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874008,"usec":768515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723787,"noise_level":-20.516348,"freq_skew":2.274289,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874009,"usec":516191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.925487,"noise_level":-21.145086,"freq_skew":3.359770,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR07GR","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874009,"usec":525705},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388181,"noise_level":-20.978230,"freq_skew":3.553024,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124123","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,83,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874009,"usec":525938},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485354,"noise_level":-20.978230,"freq_skew":2.830841,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"K","sublabel":"DF","msg_text":"70ER\r\n+15 69 72 24 28-078300 -570ER\r\n+20 69 72 24 28-078400 -570ER\r\n+25 69 71 24 28-078700 -573ER\r\n+30 70 72 24 28-078900 -578ER\r\n+35 71 71 24 28-078900 -578ER\r\n+40 71 71 24 28-078600 -575ER\r\n+45 70 70 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874009,"usec":528764},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726838,"noise_level":-20.939430,"freq_skew":2.181922,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":342,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874010,"usec":283181},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403633,"noise_level":-21.445990,"freq_skew":2.633364,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1242,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[123,55]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874011,"usec":53955},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684217,"noise_level":-22.046843,"freq_skew":3.556959,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR07GR","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874011,"usec":56709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517493,"noise_level":-22.774134,"freq_skew":1.003101,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874011,"usec":828523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533145,"noise_level":-22.354099,"freq_skew":3.486576,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874011,"usec":828851},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274445,"noise_level":-22.354099,"freq_skew":1.647765,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":1.900000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874012,"usec":582632},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619223,"noise_level":-23.075630,"freq_skew":1.662860,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LUB","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"VF07AX","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874012,"usec":582632},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.619223,"noise_level":-23.075630,"freq_skew":1.662860,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22731242","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,75,74,0,75,178,162,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874012,"usec":590299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678479,"noise_level":-23.857273,"freq_skew":3.442846,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874013,"usec":337044},"freq":136975000,"burst_len_octets":92,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362241,"noise_level":-24.442499,"freq_skew":2.086410,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"XA23DQ","msg_num":"D01","msg_num_seq":"I","sublabel":"DF","msg_text":"AE?('S\nMG\nlOAA?((~\nM9\nEA'(\nMd\nSl'L(O?\nny\nL\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874013,"usec":337801},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466691,"noise_level":-24.428024,"freq_skew":1.632513,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LUB","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"VF07AX","msg_num":"S46","msg_num_seq":"A","msg_text":"0EV092651V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":26,"sec":51}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874014,"usec":87312},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755145,"noise_level":-24.898584,"freq_skew":2.059639,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":342,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874014,"usec":87312},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.755145,"noise_level":-24.898584,"freq_skew":2.059639,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,40,62,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874014,"usec":863383},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530012,"noise_level":-24.495859,"freq_skew":2.773127,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"L","sublabel":"DF","msg_text":"8-078300 -573ER\r\n+50 70 71 24 28-078200 -565ER\r\n+55 70 70 24 27-078200 -565ER\r\n+60 70 70 24 27-078200 -565ER\r\n+65 70 70 24 27-078100 -565ER\r\n+70 70 69 24 28-078200 -565ER\r\n+75 70 69 24 28-078100 -565ER\r\n+80"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874014,"usec":865334},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327379,"noise_level":-24.452246,"freq_skew":1.675163,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874014,"usec":871351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594712,"noise_level":-24.308418,"freq_skew":2.086191,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874016,"usec":386578},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352695,"noise_level":-23.531204,"freq_skew":2.203024,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.400000},"alt":24000}},{"name":"alternate_ground_stations","value":["109FCA","10919A","1096EA","1099DA","10959A","10980A","10988A","1094AA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874017,"usec":900695},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513816,"noise_level":-23.185989,"freq_skew":2.278674,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221516","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,35,78,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874017,"usec":909195},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290508,"noise_level":-23.012249,"freq_skew":2.070769,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR09ET","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874019,"usec":453033},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505641,"noise_level":-22.662884,"freq_skew":2.856881,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D84","msg_num_seq":"M","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092339\r\n 488195460379360A607BCG3A-L200-0002\r\n-3000 379990016817266 326 325 301 306\r\n-2500 380010016817266 327 326 300 305\r\n-2000 380020016817366 326 326 299 306\r\n-1500 379990016817366 326 325 300 306\r\n-1000 379990016817266 327 325 300 307\r\n-0500 379970016817366 326 326 300 306\r\n 3900 379940016817266 325 325 299 306\r\n+0500 379890016717266 325 324 299 306\r\n+1000 379880016717166 325 325 298 305\r\n+1500 379940016717266 325 325 298 306\r\n+2000 379980016817366 325 326 300 307\r\n+2500 380000016917366 328 328 301 309\r\n+3000 380050017117566 329 331 303 312\r\n+3500 380050017017666 331 331 304 313\r\n+4000 380000017117566 331 330 304 313\r\n+4500 379910017017466 329 330 302 311\r\n+5000 379890016917466 328 328 302 309\r\n+5500 379920016917466 328 328 301 310\r\n+6000 379940016917466 329 329 302 310\r\n+6500 379930017017466 328 328 301 312\r\n+7000 379930016917466 328 329 301 311\r\n+7500 379940017017566 329 331 303 313\r\n+8000 379990017117566 330 330 304 312\r\n+8500 379980017117666 331 332 304 314\r\n+9000 379970017217666 332 333 306 313\r\n-30 84 84 169 1740050106611\r\n-25 84 84 169 1740060106611\r\n-20 84 84 169 1740060106611\r\n-15 84 84 169 1740060106611\r\n-10 84 84 169 1730060106611\r\n-05 84 84 169 1730060106611\r\n 39 84 84 169 1730060106611\r\n+05 84 84 169 1730060106611\r\n+10 84 84 169 1730060106611\r\n+15 84 84 169 1730060106611\r\n+20 84 84 169 1720060106611\r\n+25 84 84 169 1720060106611\r\n+30 85 84 169 1720060106611\r\n+35 85 85 169 1720060106611\r\n+40 85 85 169 1720060106611\r\n+45 85 85 169 1720060106611\r\n+50 85 85 169 1720060106611\r\n+55 85 85 170 1720060106611\r\n+60 85 85 170 1720060106611\r\n+65 85 85 170 1720060106611\r\n+70 85 85 170 1730060106611\r\n+75 85 85 170 1730060106611\r\n+80 85 85 170 1730060106611\r\n+85 85 85 171 1720060106611\r\n+90 85 85 171 1730060106611\r\n-30 70 74 24 28-079000 -578ER\r\n-25 70 74 24 28-079000 -578ER\r\n-20 70 74 24 28-078900 -578ER\r\n-15 70 74 24 28-078900 -578ER\r\n-10 70 74 24 28-078800 -575ER\r\n-05 70 74 24 28-078700 -575ER\r\n 39 70 74 24 28-078400 -573ER\r\n+05 69 73 24 28-078300 -573ER\r\n+10 69 73 24 28-078300 -570ER\r\n+15 69 72 24 28-078300 -570ER\r\n+20 69 72 24 28-078400 -570ER\r\n+25 69 71 24 28-078700 -573ER\r\n+30 70 72 24 28-078900 -578ER\r\n+35 71 71 24 28-078900 -578ER\r\n+40 71 71 24 28-078600 -575ER\r\n+45 70 70 24 28-078300 -573ER\r\n+50 70 71 24 28-078200 -565ER\r\n+55 70 70 24 27-078200 -565ER\r\n+60 70 70 24 27-078200 -565ER\r\n+65 70 70 24 27-078100 -565ER\r\n+70 70 69 24 28-078200 -565ER\r\n+75 70 69 24 28-078100 -565ER\r\n+80 70 69 24 28-078200 -568ER\r\n+85 70 70 24 28-078300 -568ER\r\n+90 70 70 24 28-078400 -568ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874020,"usec":191077},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401999,"noise_level":-23.664675,"freq_skew":2.095318,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874023,"usec":245092},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289533,"noise_level":-22.205070,"freq_skew":2.304085,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[70,208]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874024,"usec":5375},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853158,"noise_level":-21.983982,"freq_skew":2.317719,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874024,"usec":778685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302422,"noise_level":-22.429649,"freq_skew":1.520149,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D25","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874024,"usec":779118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840883,"noise_level":-22.429649,"freq_skew":2.648892,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874027,"usec":802364},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.382359,"noise_level":-22.428263,"freq_skew":-2.321908,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXI","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"KL096D","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874027,"usec":813163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409152,"noise_level":-22.235136,"freq_skew":1.634333,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D25","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874027,"usec":813635},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119777,"noise_level":-23.275398,"freq_skew":0.282679,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHE","mode":"2","label":"_d","blk_id":"5","ack":"G","flight":"KL0655","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874030,"usec":101467},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083303,"noise_level":-22.408304,"freq_skew":0.415125,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHE","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"KL0655","msg_num":"F68","msg_num_seq":"A","sublabel":"M1","msg_text":"REJREQ,092707,101,,001,/TS092707,270526F2D6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874030,"usec":106915},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110889,"noise_level":-22.305759,"freq_skew":1.936099,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":171,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874030,"usec":853541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672918,"noise_level":-22.215614,"freq_skew":2.044208,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874031,"usec":624917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764105,"noise_level":-22.408255,"freq_skew":1.614664,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D25","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874031,"usec":629028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041864,"noise_level":-22.328392,"freq_skew":0.387828,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874032,"usec":380532},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126717,"noise_level":-22.126347,"freq_skew":-2.553228,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXI","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"KL096D","msg_num":"F81","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/TS092710,270526/AK,47FCA5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874033,"usec":139638},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404005,"noise_level":-21.853298,"freq_skew":2.889738,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092520\r\n 513205560379360A607BCG3A-L200-0002\r\n-3000 379920016917466 328 329 302 310\r\n-2500 379950017017566 329 330 303 312\r\n-2000 379970017117566 330 330 304 312\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874033,"usec":918062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951464,"noise_level":-21.995419,"freq_skew":-2.625076,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874034,"usec":675325},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481165,"noise_level":-21.833004,"freq_skew":2.750938,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379990017117666 332 331 306 313\r\n-1000 379950017117666 332 333 307 315\r\n-0500 379950017217666 332 333 307 315\r\n 2000 379990017217766 333 334 307 314\r\n+0500 379990017217766 333 333 307 316\r\n+1000 3800000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874035,"usec":423210},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.681807,"noise_level":-22.669916,"freq_skew":1.025093,"avlc":{"src":{"addr":"4864ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":195,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874040,"usec":7611},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514991,"noise_level":-21.037907,"freq_skew":2.947002,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"C","sublabel":"DF","msg_text":"17217766 333 334 307 315\r\n+1500 380000017217766 333 333 308 315\r\n+2000 380020017117666 332 333 306 316\r\n+2500 380010017117666 333 333 306 315\r\n+3000 380020017117666 332 333 306 316\r\n+3500 380020017117666 33"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874041,"usec":544895},"freq":136975000,"burst_len_octets":135,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850027,"noise_level":-20.506353,"freq_skew":0.426163,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHE","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"KL0655","msg_num":"F69","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN52474E003453,AM034,092712,182,SOPEK,093424,OTBED,M14,30028,1011/TS092712,2705262971"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874041,"usec":557452},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389816,"noise_level":-20.405657,"freq_skew":2.734115,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"D","sublabel":"DF","msg_text":"3 333 307 316\r\n+4000 380030017217666 332 333 307 315\r\n+4500 380040017217666 334 334 308 317\r\n+5000 380040017117666 334 334 308 316\r\n+5500 380040017217666 334 335 308 315\r\n+6000 380020017217766 334 335 309 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874042,"usec":289802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.469571,"noise_level":-21.338150,"freq_skew":2.255694,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874043,"usec":35810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303167,"noise_level":-21.118042,"freq_skew":0.436282,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874044,"usec":578465},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940748,"noise_level":-21.304598,"freq_skew":-1.201010,"avlc":{"src":{"addr":"4D20FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874046,"usec":858121},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522617,"noise_level":-20.892771,"freq_skew":2.923847,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"E","sublabel":"DF","msg_text":"16\r\n+6500 380010017217666 334 335 308 316\r\n+7000 380020017217666 335 335 309 316\r\n+7500 379980017217666 333 333 308 315\r\n+8000 379950017117666 333 332 308 314\r\n+8500 379960017117566 333 332 307 314\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874047,"usec":633535},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965854,"noise_level":-20.599367,"freq_skew":0.173806,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHE","mode":"2","label":"_d","blk_id":"8","ack":"H","flight":"KL0655","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874047,"usec":640306},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646000,"noise_level":-20.497593,"freq_skew":1.990575,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[239,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874048,"usec":385740},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347992,"noise_level":-21.590160,"freq_skew":2.649193,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"F","sublabel":"DF","msg_text":"79990017117566 331 332 306 314\r\n-30 85 85 170 1730050106611\r\n-25 85 85 170 1730060106611\r\n-20 85 85 170 1720060106611\r\n-15 85 85 171 1730060106611\r\n-10 85 85 171 1730060106611\r\n-05 85 85 171 1730060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874049,"usec":147085},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.327945,"noise_level":-22.674202,"freq_skew":-2.487427,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-BXI","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"KL096D","msg_num":"F82","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN51218E003587,1800,092710,140,RIVER,,OSRON,M5,299013,64,73/RP:DA:EBBR:AA:EHAM:CR:OFP506(06O)..RIVER..OSRON..DISCO..SPL02..AM110:AP:ILS 06:F:VECTOR/PR1234,194,140,64,,44,30,314014,M5,45,P55,P0/FHRIVER,,25"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874049,"usec":919869},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.301999,"noise_level":-22.169197,"freq_skew":-2.635151,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-BXI","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"KL096D","msg_num":"F82","msg_num_seq":"B","sublabel":"M1","msg_text":"0K,1000,,,314014,,Y,010,34.OSRON,,,,,,314014,,N,039,23.DISCO.SPL02,,,,,,314014,206,N,035,4.AM110,,,200,,,314014,166,Y,035,5.AM609,,150K,200,,,314014,154,Y,058,1.AM616,,160K,131,,,314014,153,Y,058,2.RW06,,,4"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874050,"usec":675536},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388165,"noise_level":-22.014481,"freq_skew":2.701374,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"G","sublabel":"DF","msg_text":" 20 85 85 171 1730060106611\r\n+05 85 85 171 1730060106611\r\n+10 85 85 171 1730050106611\r\n+15 85 85 171 1730050106611\r\n+20 85 85 171 1730060106611\r\n+25 85 85 171 1740060106611\r\n+30 85 85 171 1740060106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874051,"usec":428964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616127,"noise_level":-22.788477,"freq_skew":1.731498,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874051,"usec":430930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972720,"noise_level":-22.740711,"freq_skew":2.462948,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874051,"usec":432322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075508,"noise_level":-22.716927,"freq_skew":1.777062,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874051,"usec":434935},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719817,"noise_level":-23.817385,"freq_skew":2.185340,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":2.500000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874051,"usec":436363},"freq":136975000,"burst_len_octets":152,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318004,"noise_level":-23.790464,"freq_skew":-2.700901,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXI","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"KL096D","msg_num":"F82","msg_num_seq":"C","sublabel":"M1","msg_text":"POSN51218E003587,1800,092710,140,RIVER,,OSRON,M5,299013,64,73/RP:DA:EBBR:AA:EHAM:CR:OFP506(06O)..RIVER..OSRON..DISCO..SPL02..AM110:AP:ILS 06:F:VECTOR/PR1234,194,140,64,,44,30,314014,M5,45,P55,P0/FHRIVER,,250K,1000,,,314014,,Y,010,34.OSRON,,,,,,314014,,N,039,23.DISCO.SPL02,,,,,,314014,206,N,035,4.AM110,,,200,,,314014,166,Y,035,5.AM609,,150K,200,,,314014,154,Y,058,1.AM616,,160K,131,,,314014,153,Y,058,2.RW06,,,4,,,314014,150,Y,058,4.VECTOR,,,200,,,000000,,Y,065.EHAM,,150K,1,,,000000,,N,041,2:30/DTEHAM,06O,,,73EAA4"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874052,"usec":190986},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559104,"noise_level":-23.710209,"freq_skew":2.152382,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"ME0201","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874052,"usec":190986},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.559104,"noise_level":-23.710209,"freq_skew":2.152382,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874052,"usec":952856},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494128,"noise_level":-23.396393,"freq_skew":2.808264,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"H","sublabel":"DF","msg_text":" 85 85 171 1740060106611\r\n+40 85 85 171 1740060106611\r\n+45 85 85 171 1740050106611\r\n+50 85 85 171 1740060106611\r\n+55 85 85 171 1740060106611\r\n+60 85 85 171 1740060106611\r\n+65 85 85 171 1740050106611\r\n+70 85"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874052,"usec":953257},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.317779,"noise_level":-23.396393,"freq_skew":-1.342530,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":306,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874053,"usec":707851},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.195596,"noise_level":-23.081127,"freq_skew":0.181910,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".PH-BHE","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"KL0655","msg_num":"E50","msg_num_seq":"A","sublabel":"EI","msg_text":"RPT29;PG1;REAL;SW030M2G\r\n1 92.8;92.8\r\n2 107.0;107.0\r\n3 0.6;0.2\r\n4 194.1;0.0\r\n5 0.31;0.30\r\n6 0.35;0.32\r\n7 0.3;0.4\r\n8 206.0;349.8\r\n9 0.13;0.14\r\n10 0.16;0.19\r\n11 ;\r\n12 ;\r\n13 ;\r\n14 ;\r\n15 ;\r\n16 ;\r\n17 ;\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874054,"usec":489065},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550027,"noise_level":-22.669943,"freq_skew":2.679263,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"I","sublabel":"DF","msg_text":" 85 171 1740060106611\r\n+75 85 85 171 1740060106611\r\n+80 85 85 171 1740060106611\r\n+85 85 85 171 1740050106611\r\n+90 85 85 171 1740060106611\r\n-30 70 69 24 28-078200 -565ER\r\n-25 70 68 24 28-078200 -565ER\r\n-20 7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874054,"usec":489839},"freq":136975000,"burst_len_octets":183,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853902,"noise_level":-23.751972,"freq_skew":0.079360,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BHE","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"KL0655","msg_num":"E50","msg_num_seq":"B","sublabel":"EI","msg_text":"RPT29;PG1;REAL;SW030M2G\r\n1 92.8;92.8\r\n2 107.0;107.0\r\n3 0.6;0.2\r\n4 194.1;0.0\r\n5 0.31;0.30\r\n6 0.35;0.32\r\n7 0.3;0.4\r\n8 206.0;349.8\r\n9 0.13;0.14\r\n10 0.16;0.19\r\n11 ;\r\n12 ;\r\n13 ;\r\n14 ;\r\n15 ;\r\n16 ;\r\n17 ;\r\n18 ;\r\n19 1001;0010;0000;1000;1100;0010;0000;0100\r\n20 0111;1000;0100;0000;0111;1000;0000;0000\r\n21 106.9;107.0\r\n22 ;27;MAY;26;09:27:29\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874055,"usec":996947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681684,"noise_level":-23.270546,"freq_skew":2.457002,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874056,"usec":762086},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415891,"noise_level":-23.021427,"freq_skew":2.588557,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"J","sublabel":"DF","msg_text":"0 69 24 28-078200 -568ER\r\n-15 70 70 24 28-078300 -570ER\r\n-10 70 70 24 28-078400 -568ER\r\n-05 70 70 24 28-078400 -568ER\r\n 20 70 70 24 28-078500 -570ER\r\n+05 70 69 24 28-078500 -568ER\r\n+10 70 70 24 28-078600 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874056,"usec":762825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884947,"noise_level":-23.220253,"freq_skew":0.148836,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874057,"usec":528205},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.363713,"noise_level":-22.826607,"freq_skew":0.337851,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".B-223N","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"CZ2531","msg_num":"D03","msg_num_seq":"C","sublabel":"DF","msg_text":" 0) 0)\r\n0022040037000313 510390000040\r\n0032066064000 431850680000066\r\n 79 67189 3 5 ) 65 ) 6806\r\n 75 69167 5 5 ) 65 ) 6822\r\n 6805 6700 6645 6710\r\n 6745 6750 6715 6700\r\n19300044908490021 1776D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874058,"usec":275849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264559,"noise_level":-22.861652,"freq_skew":-2.431684,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874058,"usec":282493},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471500,"noise_level":-22.729828,"freq_skew":2.736203,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"K","sublabel":"DF","msg_text":"68ER\r\n+15 70 70 24 28-078600 -565ER\r\n+20 70 69 24 28-078600 -565ER\r\n+25 70 69 24 28-078600 -568ER\r\n+30 70 69 24 28-078700 -568ER\r\n+35 70 70 24 28-078700 -568ER\r\n+40 69 69 24 28-078800 -568ER\r\n+45 69 69 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874059,"usec":51675},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982568,"noise_level":-23.544598,"freq_skew":2.153777,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8455,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874059,"usec":800979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139375,"noise_level":-23.261856,"freq_skew":-0.082109,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874059,"usec":803145},"freq":136975000,"burst_len_octets":136,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.101131,"noise_level":-24.398708,"freq_skew":0.182984,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-223N","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"CZ2531","msg_num":"D03","msg_num_seq":"D","sublabel":"DF","msg_text":"030FA8 -2031 26\r\n19000044908490061 706C800FA8 -1994 33\r\n11111011111101\r\n11111011111101"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874059,"usec":803404},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357511,"noise_level":-24.398708,"freq_skew":2.128982,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":955,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874061,"usec":333109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.574247,"noise_level":-25.117680,"freq_skew":-1.004935,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874061,"usec":341707},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834850,"noise_level":-24.885942,"freq_skew":1.952199,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":30,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874062,"usec":115851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.608073,"noise_level":-24.764833,"freq_skew":0.348396,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874062,"usec":122868},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416656,"noise_level":-24.615784,"freq_skew":2.734791,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D85","msg_num_seq":"M","sublabel":"DF","msg_text":" 69 70 24 28-079000 -573ER\r\n+85 69 70 24 28-079000 -573ER\r\n+90 69 70 24 28-079100 -573ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874062,"usec":861597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588518,"noise_level":-25.323887,"freq_skew":2.221693,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874063,"usec":629701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.393263,"noise_level":-25.762384,"freq_skew":-1.253219,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-ZBKN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA0053","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874063,"usec":629998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777472,"noise_level":-25.984888,"freq_skew":2.612091,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874064,"usec":385090},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.919509,"noise_level":-25.830559,"freq_skew":-0.961648,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20067572","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,66,65,87,0,64,111,122,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874065,"usec":898880},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449542,"noise_level":-25.019798,"freq_skew":-1.262710,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874066,"usec":673562},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222141,"noise_level":-24.494179,"freq_skew":-1.017811,"avlc":{"src":{"addr":"406F7A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874068,"usec":186554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.583413,"noise_level":-23.767662,"freq_skew":-2.631471,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874068,"usec":192207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.920330,"noise_level":-23.647865,"freq_skew":-1.990547,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874070,"usec":473345},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548371,"noise_level":-22.780504,"freq_skew":3.515264,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":2.200000},"alt":81000}},{"name":"alternate_ground_stations","value":["1094AA","109FCA","10919A","10959A","10980A","1096EA","1091EA","1094EA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874071,"usec":245119},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394846,"noise_level":-22.540257,"freq_skew":3.380155,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124123","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,83,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874071,"usec":252486},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588589,"noise_level":-22.390282,"freq_skew":3.715971,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMK","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR07GR","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874072,"usec":3941},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156440,"noise_level":-22.265369,"freq_skew":0.233748,"avlc":{"src":{"addr":"4851B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53689,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[44,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874072,"usec":750899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607425,"noise_level":-21.966175,"freq_skew":3.606391,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874073,"usec":526978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027771,"noise_level":-22.613848,"freq_skew":3.416327,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874081,"usec":165933},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562709,"noise_level":-19.886663,"freq_skew":1.975812,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":956,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53619,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[139,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874081,"usec":906864},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748229,"noise_level":-20.987988,"freq_skew":2.116935,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9661,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[21,36]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874084,"usec":969338},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506656,"noise_level":-20.048025,"freq_skew":2.207332,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOW9H-VUO 5819ET LIRZEGSSDC2705092616\r\n 789315960A21160A800BCG3A-L200-0002\r\n-3000 250640012212611 319 321 305 304\r\n-2500 249920012312611 315 320 301 302\r\n-2000 249250012312811 318 319 304 304\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874084,"usec":980117},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498821,"noise_level":-20.840694,"freq_skew":2.133964,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":956,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53619,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[139,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874086,"usec":490604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462826,"noise_level":-20.863533,"freq_skew":2.138528,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10914A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874089,"usec":533789},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496791,"noise_level":-20.260834,"freq_skew":1.955351,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"B","sublabel":"DF","msg_text":"500 248560012412811 330 325 313 304\r\n-1000 247840011912311 348 319 334 303\r\n-0500 247080011612011 342 314 324 299\r\n 1600 246320011311711 334 313 319 295\r\n+0500 245540011211511 334 313 317 293\r\n+1000 2447400"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874090,"usec":283964},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080240,"noise_level":-20.154083,"freq_skew":2.064413,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":9661,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[21,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874091,"usec":35866},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195928,"noise_level":-19.909985,"freq_skew":2.204131,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9661,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[17,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":28,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874091,"usec":46090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309032,"noise_level":-19.765060,"freq_skew":1.737062,"avlc":{"src":{"addr":"48D980","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874091,"usec":48535},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469379,"noise_level":-19.883039,"freq_skew":1.916581,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"C","sublabel":"DF","msg_text":"11111411 335 311 318 295\r\n+1500 244000011111411 336 313 320 296\r\n+2000 243150010010211 334 310 320 293\r\n+2500 242270014715311 324 354 312 335\r\n+3000 241380018118766 350 357 331 332\r\n+3500 240430019119866 37"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874094,"usec":862400},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.233032,"noise_level":-19.827682,"freq_skew":1.966148,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9661,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[17,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":28,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874095,"usec":632011},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435727,"noise_level":-19.625679,"freq_skew":2.121706,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"D","sublabel":"DF","msg_text":"0 378 350 352\r\n+4000 239410019319866 377 382 355 356\r\n+4500 238380019319966 376 382 356 357\r\n+5000 237310018318866 360 367 339 343\r\n+5500 236170016917466 332 339 313 314\r\n+6000 234990015415966 301 307 285 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874096,"usec":382322},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.312225,"noise_level":-20.163305,"freq_skew":2.045002,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":53.000000,"lon":2.000000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874096,"usec":388612},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.596456,"noise_level":-21.191082,"freq_skew":2.253690,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874096,"usec":393515},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571235,"noise_level":-21.243065,"freq_skew":2.149127,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR95SZ","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874097,"usec":141642},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592519,"noise_level":-21.054695,"freq_skew":2.021792,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126044","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,172,36,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874097,"usec":912542},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423143,"noise_level":-20.947477,"freq_skew":1.992565,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"E","sublabel":"DF","msg_text":"85\r\n+6500 233740014114566 272 279 258 258\r\n+7000 232510013113466 252 258 239 239\r\n+7500 231290012713066 243 245 232 228\r\n+8000 230250013313611 255 257 243 238\r\n+8500 229300013313511 257 272 246 257\r\n+9000 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874099,"usec":432512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567958,"noise_level":-21.409206,"freq_skew":2.101021,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874099,"usec":436534},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382732,"noise_level":-22.038830,"freq_skew":1.877783,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"F","sublabel":"DF","msg_text":"28280012613211 379 358 365 341\r\n-30 60 60 205 2140120171111\r\n-25 60 60 207 2140120171111\r\n-20 60 60 210 2130120171111\r\n-15 60 60 213 2130120171111\r\n-10 59 59 217 2130120171111\r\n-05 58 58 223 2120120171111\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874101,"usec":730883},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382401,"noise_level":-21.201765,"freq_skew":1.914237,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"G","sublabel":"DF","msg_text":" 16 57 57 225 2100130171111\r\n+05 57 57 223 2090120171111\r\n+10 56 56 221 2080120171111\r\n+15 56 56 220 2080120161111\r\n+20 53 53 219 2080120161111\r\n+25 64 64 219 2090220161111\r\n+30 72 72 212 2110250221111\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874102,"usec":479543},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.411267,"noise_level":-21.847780,"freq_skew":0.002722,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":22,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874103,"usec":238204},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502365,"noise_level":-21.448774,"freq_skew":2.134827,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"H","sublabel":"DF","msg_text":" 73 73 198 2090110211111\r\n+40 74 74 189 1990090091111\r\n+45 74 74 184 1900070071111\r\n+50 72 72 181 1840070071111\r\n+55 69 69 179 1800070071111\r\n+60 66 66 176 1760070071611\r\n+65 62 63 173 1730080076611\r\n+70 60"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874105,"usec":531491},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510979,"noise_level":-20.815611,"freq_skew":1.892908,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"I","sublabel":"DF","msg_text":" 60 169 1690080076611\r\n+75 58 58 164 1640080076611\r\n+80 60 60 160 1600080076611\r\n+85 60 60 155 1550080076611\r\n+90 58 59 151 1520080076611\r\n-30 61 67 28 29-060500 -303DC\r\n-25 62 66 28 28-060400 -300DC\r\n-20 6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874105,"usec":539196},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782198,"noise_level":-20.692453,"freq_skew":2.320957,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":262,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874106,"usec":295689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964191,"noise_level":-20.543232,"freq_skew":0.011924,"avlc":{"src":{"addr":"781F4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874107,"usec":53234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748487,"noise_level":-20.405628,"freq_skew":2.210169,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874107,"usec":66267},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541770,"noise_level":-21.104792,"freq_skew":2.144394,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"J","sublabel":"DF","msg_text":"5 66 28 28-060300 -298DC\r\n-15 68 67 28 29-060200 -295DC\r\n-10 73 66 30 29-060200 -295DC\r\n-05 78 65 29 28-060200 -293DC\r\n 16 78 65 29 28-060100 -290DC\r\n+05 76 64 29 28-060000 -288DC\r\n+10 75 64 29 28-059900 -2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874107,"usec":805689},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134795,"noise_level":-20.890446,"freq_skew":1.960400,"avlc":{"src":{"addr":"4080A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874111,"usec":622656},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485631,"noise_level":-19.746918,"freq_skew":2.054901,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"K","sublabel":"DF","msg_text":"85DC\r\n+15 75 64 29 28-059800 -283DC\r\n+20 74 64 29 28-059700 -280DC\r\n+25 74 67 29 31-059700 -278DC\r\n+30 68 73 30 31-060100 -278DC\r\n+35 67 76 32 33-060600 -275DC\r\n+40 68 77 33 34-061100 -273DC\r\n+45 69 78 33 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874113,"usec":138382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.694184,"noise_level":-19.456547,"freq_skew":2.310888,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874114,"usec":675979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726294,"noise_level":-18.911053,"freq_skew":1.398230,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874114,"usec":676866},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214490,"noise_level":-19.478207,"freq_skew":2.482538,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":9661,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[51,52]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":28,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874115,"usec":424424},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998566,"noise_level":-19.332207,"freq_skew":2.091639,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56117,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[245,111]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":28,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874116,"usec":185256},"freq":136975000,"burst_len_octets":124,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740799,"noise_level":-19.180714,"freq_skew":-0.252053,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":17,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":7,"ack":3,"credit_offered":10,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,193,78,74,69,0,73,65,5]]}]},{"name":"rd_hop_count","value":255},{"name":"capacity","value":11}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,193,78,74,69,0,73,65,5]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874116,"usec":193203},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501958,"noise_level":-19.292688,"freq_skew":2.071750,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[160,192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874116,"usec":193594},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534701,"noise_level":-19.292688,"freq_skew":2.086187,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"L","sublabel":"DF","msg_text":"4-061600 -270DC\r\n+50 71 78 31 33-062000 -265DC\r\n+55 70 75 29 30-062400 -263DC\r\n+60 65 69 26 27-062700 -258DC\r\n+65 59 63 24 25-062900 -255DC\r\n+70 54 58 22 23-063100 -250DC\r\n+75 49 53 21 22-063100 -248DC\r\n+80"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874117,"usec":718053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144884,"noise_level":-19.602943,"freq_skew":-0.060531,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874118,"usec":484759},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515595,"noise_level":-20.520220,"freq_skew":1.927991,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR09ET","msg_num":"D14","msg_num_seq":"M","sublabel":"DF","msg_text":"B07A\r\nRTM1LOW9H-VUO 5819ET LIRZEGSSDC2705092616\r\n 789315960A21160A800BCG3A-L200-0002\r\n-3000 250640012212611 319 321 305 304\r\n-2500 249920012312611 315 320 301 302\r\n-2000 249250012312811 318 319 304 304\r\n-1500 248560012412811 330 325 313 304\r\n-1000 247840011912311 348 319 334 303\r\n-0500 247080011612011 342 314 324 299\r\n 1600 246320011311711 334 313 319 295\r\n+0500 245540011211511 334 313 317 293\r\n+1000 244740011111411 335 311 318 295\r\n+1500 244000011111411 336 313 320 296\r\n+2000 243150010010211 334 310 320 293\r\n+2500 242270014715311 324 354 312 335\r\n+3000 241380018118766 350 357 331 332\r\n+3500 240430019119866 370 378 350 352\r\n+4000 239410019319866 377 382 355 356\r\n+4500 238380019319966 376 382 356 357\r\n+5000 237310018318866 360 367 339 343\r\n+5500 236170016917466 332 339 313 314\r\n+6000 234990015415966 301 307 285 285\r\n+6500 233740014114566 272 279 258 258\r\n+7000 232510013113466 252 258 239 239\r\n+7500 231290012713066 243 245 232 228\r\n+8000 230250013313611 255 257 243 238\r\n+8500 229300013313511 257 272 246 257\r\n+9000 228280012613211 379 358 365 341\r\n-30 60 60 205 2140120171111\r\n-25 60 60 207 2140120171111\r\n-20 60 60 210 2130120171111\r\n-15 60 60 213 2130120171111\r\n-10 59 59 217 2130120171111\r\n-05 58 58 223 2120120171111\r\n 16 57 57 225 2100130171111\r\n+05 57 57 223 2090120171111\r\n+10 56 56 221 2080120171111\r\n+15 56 56 220 2080120161111\r\n+20 53 53 219 2080120161111\r\n+25 64 64 219 2090220161111\r\n+30 72 72 212 2110250221111\r\n+35 73 73 198 2090110211111\r\n+40 74 74 189 1990090091111\r\n+45 74 74 184 1900070071111\r\n+50 72 72 181 1840070071111\r\n+55 69 69 179 1800070071111\r\n+60 66 66 176 1760070071611\r\n+65 62 63 173 1730080076611\r\n+70 60 60 169 1690080076611\r\n+75 58 58 164 1640080076611\r\n+80 60 60 160 1600080076611\r\n+85 60 60 155 1550080076611\r\n+90 58 59 151 1520080076611\r\n-30 61 67 28 29-060500 -303DC\r\n-25 62 66 28 28-060400 -300DC\r\n-20 65 66 28 28-060300 -298DC\r\n-15 68 67 28 29-060200 -295DC\r\n-10 73 66 30 29-060200 -295DC\r\n-05 78 65 29 28-060200 -293DC\r\n 16 78 65 29 28-060100 -290DC\r\n+05 76 64 29 28-060000 -288DC\r\n+10 75 64 29 28-059900 -285DC\r\n+15 75 64 29 28-059800 -283DC\r\n+20 74 64 29 28-059700 -280DC\r\n+25 74 67 29 31-059700 -278DC\r\n+30 68 73 30 31-060100 -278DC\r\n+35 67 76 32 33-060600 -275DC\r\n+40 68 77 33 34-061100 -273DC\r\n+45 69 78 33 34-061600 -270DC\r\n+50 71 78 31 33-062000 -265DC\r\n+55 70 75 29 30-062400 -263DC\r\n+60 65 69 26 27-062700 -258DC\r\n+65 59 63 24 25-062900 -255DC\r\n+70 54 58 22 23-063100 -250DC\r\n+75 49 53 21 22-063100 -248DC\r\n+80 46 52 22 22-063100 -243DC\r\n+85 46 53 22 23-063000 -240DC\r\n+90 45 65 32 31-063000 -238DC\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874120,"usec":22417},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395933,"noise_level":-20.638906,"freq_skew":2.059973,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874120,"usec":766843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455270,"noise_level":-20.481411,"freq_skew":2.122410,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874120,"usec":768090},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183666,"noise_level":-20.689505,"freq_skew":2.154740,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":9661,"variable_part_params":[{"name":"checksum","value":[146,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874121,"usec":519606},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.365623,"noise_level":-20.540333,"freq_skew":2.274968,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[138,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874122,"usec":293673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150831,"noise_level":-20.357304,"freq_skew":2.055021,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874125,"usec":337088},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388996,"noise_level":-19.455452,"freq_skew":0.997197,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874125,"usec":344216},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079155,"noise_level":-19.358101,"freq_skew":1.738007,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EGSH"},{"name":"ac_location","value":{"loc":{"lat":52.500000,"lon":0.800000},"alt":23000}},{"name":"alternate_ground_stations","value":["10987A","1099DA","10983A","10959A","10914A","1091EA","10988A","10949A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874126,"usec":93862},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371013,"noise_level":-19.255825,"freq_skew":0.978869,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124350","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,232,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874126,"usec":94232},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678131,"noise_level":-19.255825,"freq_skew":1.488319,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LUB","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"VF07AX","msg_num":"F03","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGSS,04O,80,094855,041/FNTKJ7AXDE70"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874126,"usec":860826},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519449,"noise_level":-19.342033,"freq_skew":1.283482,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ENW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR5363","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874126,"usec":861207},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980680,"noise_level":-19.342033,"freq_skew":1.690082,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127663","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,179,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874127,"usec":620853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067191,"noise_level":-19.190371,"freq_skew":1.754600,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR952H","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874127,"usec":621080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501034,"noise_level":-19.592556,"freq_skew":1.497365,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874127,"usec":621923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621505,"noise_level":-19.584272,"freq_skew":1.090492,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874127,"usec":627726},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369469,"noise_level":-20.091543,"freq_skew":2.585885,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092701\r\n 538215660379360A607BCG3A-L200-0002\r\n-3000 380010017217666 333 333 308 316\r\n-2500 379980017117666 333 333 308 314\r\n-2000 379970017117566 332 333 307 314\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874128,"usec":371803},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449820,"noise_level":-21.203632,"freq_skew":1.669432,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874129,"usec":150369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971020,"noise_level":-20.890093,"freq_skew":1.156472,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874129,"usec":909388},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.335022,"noise_level":-21.582861,"freq_skew":1.319483,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":-1.400000},"alt":12000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874129,"usec":911533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134349,"noise_level":-21.551649,"freq_skew":1.574946,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874129,"usec":916519},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.292926,"noise_level":-21.479256,"freq_skew":2.740793,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379960017117566 332 332 307 313\r\n-1000 379990017117566 332 332 307 313\r\n-0500 379980017117566 333 331 307 315\r\n 0100 379980017117566 332 331 307 313\r\n+0500 380000017217666 332 333 307 314\r\n+1000 3800000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874130,"usec":660645},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688966,"noise_level":-22.321087,"freq_skew":1.416649,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874131,"usec":441154},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488878,"noise_level":-21.987181,"freq_skew":2.840750,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"C","sublabel":"DF","msg_text":"17117666 333 333 307 314\r\n+1500 380000017117566 333 332 307 315\r\n+2000 379990017217666 333 333 309 315\r\n+2500 379950017117666 333 334 308 315\r\n+3000 379950017117566 333 333 307 314\r\n+3500 379950017117566 33"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874133,"usec":724604},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486458,"noise_level":-22.026901,"freq_skew":2.330727,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[51,40,62,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874135,"usec":243358},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627562,"noise_level":-22.170864,"freq_skew":2.177369,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874139,"usec":61521},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375485,"noise_level":-20.603691,"freq_skew":2.744205,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"D","sublabel":"DF","msg_text":"2 332 307 314\r\n+4000 380000017017566 332 331 306 314\r\n+4500 380040017017566 331 331 305 313\r\n+5000 380050017017566 331 332 304 312\r\n+5500 380040017017566 332 331 305 312\r\n+6000 380050017017566 331 332 304 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874141,"usec":352104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061376,"noise_level":-21.106300,"freq_skew":1.633990,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874142,"usec":100219},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629382,"noise_level":-20.930508,"freq_skew":1.583218,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":315,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":12,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874143,"usec":632047},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409961,"noise_level":-20.850161,"freq_skew":2.854738,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"E","sublabel":"DF","msg_text":"13\r\n+6500 380070017017566 330 332 304 312\r\n+7000 380040017017566 331 332 305 313\r\n+7500 380010017017566 331 332 305 313\r\n+8000 379970017117566 331 332 306 314\r\n+8500 379950017117566 331 332 304 313\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874145,"usec":157554},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405975,"noise_level":-22.155663,"freq_skew":2.928034,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"F","sublabel":"DF","msg_text":"79970017017566 331 331 305 313\r\n-30 85 85 171 1740060106611\r\n-25 85 85 171 1740060106611\r\n-20 85 85 171 1740050106611\r\n-15 85 85 171 1740060106611\r\n-10 85 85 171 1740050106611\r\n-05 85 85 171 1740060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874148,"usec":185449},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411736,"noise_level":-21.317904,"freq_skew":2.888271,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"G","sublabel":"DF","msg_text":" 01 85 85 171 1740060106611\r\n+05 85 85 171 1740060106611\r\n+10 85 85 170 1740060106611\r\n+15 85 85 171 1740060106611\r\n+20 85 85 170 1740060106611\r\n+25 85 85 171 1740060106611\r\n+30 85 85 171 1740060106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874149,"usec":723536},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455818,"noise_level":-21.821751,"freq_skew":2.632069,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"H","sublabel":"DF","msg_text":" 85 84 171 1740060106611\r\n+40 84 84 171 1740060106611\r\n+45 84 84 171 1730060106611\r\n+50 84 84 170 1730060106611\r\n+55 84 84 171 1740060106611\r\n+60 84 84 171 1740060106611\r\n+65 84 84 171 1740060106611\r\n+70 84"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874152,"usec":5087},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548228,"noise_level":-22.095499,"freq_skew":2.749538,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"I","sublabel":"DF","msg_text":" 84 171 1740060106611\r\n+75 84 84 171 1740060106611\r\n+80 85 85 171 1730060106611\r\n+85 85 85 171 1730050106611\r\n+90 85 84 171 1730060106611\r\n-30 70 70 24 28-079200 -575ER\r\n-25 69 70 24 28-079100 -575ER\r\n-20 6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874155,"usec":46459},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102809,"noise_level":-21.912613,"freq_skew":1.497931,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":143,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874156,"usec":575772},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.460239,"noise_level":-21.377344,"freq_skew":0.794411,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGWU"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874157,"usec":342708},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.160920,"noise_level":-21.096918,"freq_skew":1.009702,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22206415","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,80,84,0,73,13,13,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874158,"usec":101687},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.305896,"noise_level":-20.882763,"freq_skew":0.916348,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCHM","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"GS0001","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874158,"usec":109483},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643533,"noise_level":-20.787142,"freq_skew":1.531329,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":1.500000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874158,"usec":860282},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600153,"noise_level":-21.386608,"freq_skew":1.529578,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NAE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"A306AV","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874158,"usec":860282},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.600153,"noise_level":-21.386608,"freq_skew":1.529578,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21534045","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,184,37,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874158,"usec":867348},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432318,"noise_level":-21.275242,"freq_skew":2.577019,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"J","sublabel":"DF","msg_text":"9 70 24 28-079000 -573ER\r\n-15 69 70 24 28-079000 -573ER\r\n-10 69 70 24 28-079100 -573ER\r\n-05 69 70 24 27-079200 -573ER\r\n 01 69 71 24 28-079200 -573ER\r\n+05 69 71 24 28-079200 -573ER\r\n+10 69 71 24 28-079300 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874159,"usec":634949},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278530,"noise_level":-21.265186,"freq_skew":1.647295,"avlc":{"src":{"addr":"406669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109E6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874160,"usec":385905},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452729,"noise_level":-20.939774,"freq_skew":2.726782,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"K","sublabel":"DF","msg_text":"73ER\r\n+15 69 71 24 28-079500 -573ER\r\n+20 69 71 24 28-079500 -573ER\r\n+25 69 71 24 27-079400 -573ER\r\n+30 69 71 24 27-079300 -570ER\r\n+35 69 70 24 28-079300 -570ER\r\n+40 69 70 24 27-079300 -570ER\r\n+45 69 70 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874161,"usec":917562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.247106,"noise_level":-20.395813,"freq_skew":1.521902,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874162,"usec":661184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625149,"noise_level":-20.296383,"freq_skew":0.772960,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874162,"usec":665185},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598140,"noise_level":-20.233698,"freq_skew":2.860209,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"L","sublabel":"DF","msg_text":"7-079300 -573ER\r\n+50 69 71 24 27-079400 -573ER\r\n+55 69 71 24 27-079400 -573ER\r\n+60 70 71 24 27-079300 -573ER\r\n+65 70 71 24 27-079400 -573ER\r\n+70 70 71 24 27-079500 -573ER\r\n+75 70 70 24 27-079500 -573ER\r\n+80"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874162,"usec":668337},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360878,"noise_level":-20.189198,"freq_skew":1.546246,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NAE","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"A306AV","msg_num":"S50","msg_num_seq":"A","msg_text":"0EV092917V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":9,"min":29,"sec":17}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874164,"usec":204418},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630113,"noise_level":-19.739426,"freq_skew":2.762414,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D86","msg_num_seq":"M","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092701\r\n 538215660379360A607BCG3A-L200-0002\r\n-3000 380010017217666 333 333 308 316\r\n-2500 379980017117666 333 333 308 314\r\n-2000 379970017117566 332 333 307 314\r\n-1500 379960017117566 332 332 307 313\r\n-1000 379990017117566 332 332 307 313\r\n-0500 379980017117566 333 331 307 315\r\n 0100 379980017117566 332 331 307 313\r\n+0500 380000017217666 332 333 307 314\r\n+1000 380000017117666 333 333 307 314\r\n+1500 380000017117566 333 332 307 315\r\n+2000 379990017217666 333 333 309 315\r\n+2500 379950017117666 333 334 308 315\r\n+3000 379950017117566 333 333 307 314\r\n+3500 379950017117566 332 332 307 314\r\n+4000 380000017017566 332 331 306 314\r\n+4500 380040017017566 331 331 305 313\r\n+5000 380050017017566 331 332 304 312\r\n+5500 380040017017566 332 331 305 312\r\n+6000 380050017017566 331 332 304 313\r\n+6500 380070017017566 330 332 304 312\r\n+7000 380040017017566 331 332 305 313\r\n+7500 380010017017566 331 332 305 313\r\n+8000 379970017117566 331 332 306 314\r\n+8500 379950017117566 331 332 304 313\r\n+9000 379970017017566 331 331 305 313\r\n-30 85 85 171 1740060106611\r\n-25 85 85 171 1740060106611\r\n-20 85 85 171 1740050106611\r\n-15 85 85 171 1740060106611\r\n-10 85 85 171 1740050106611\r\n-05 85 85 171 1740060106611\r\n 01 85 85 171 1740060106611\r\n+05 85 85 171 1740060106611\r\n+10 85 85 170 1740060106611\r\n+15 85 85 171 1740060106611\r\n+20 85 85 170 1740060106611\r\n+25 85 85 171 1740060106611\r\n+30 85 85 171 1740060106611\r\n+35 85 84 171 1740060106611\r\n+40 84 84 171 1740060106611\r\n+45 84 84 171 1730060106611\r\n+50 84 84 170 1730060106611\r\n+55 84 84 171 1740060106611\r\n+60 84 84 171 1740060106611\r\n+65 84 84 171 1740060106611\r\n+70 84 84 171 1740060106611\r\n+75 84 84 171 1740060106611\r\n+80 85 85 171 1730060106611\r\n+85 85 85 171 1730050106611\r\n+90 85 84 171 1730060106611\r\n-30 70 70 24 28-079200 -575ER\r\n-25 69 70 24 28-079100 -575ER\r\n-20 69 70 24 28-079000 -573ER\r\n-15 69 70 24 28-079000 -573ER\r\n-10 69 70 24 28-079100 -573ER\r\n-05 69 70 24 27-079200 -573ER\r\n 01 69 71 24 28-079200 -573ER\r\n+05 69 71 24 28-079200 -573ER\r\n+10 69 71 24 28-079300 -573ER\r\n+15 69 71 24 28-079500 -573ER\r\n+20 69 71 24 28-079500 -573ER\r\n+25 69 71 24 27-079400 -573ER\r\n+30 69 71 24 27-079300 -570ER\r\n+35 69 70 24 28-079300 -570ER\r\n+40 69 70 24 27-079300 -570ER\r\n+45 69 70 24 27-079300 -573ER\r\n+50 69 71 24 27-079400 -573ER\r\n+55 69 71 24 27-079400 -573ER\r\n+60 70 71 24 27-079300 -573ER\r\n+65 70 71 24 27-079400 -573ER\r\n+70 70 71 24 27-079500 -573ER\r\n+75 70 70 24 27-079500 -573ER\r\n+80 70 71 24 27-079400 -570ER\r\n+85 70 70 24 27-079300 -570ER\r\n+90 70 70 24 27-079300 -570ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874164,"usec":207545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526466,"noise_level":-20.323326,"freq_skew":1.469244,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874165,"usec":701511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532149,"noise_level":-20.065735,"freq_skew":-1.607075,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874165,"usec":712792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744928,"noise_level":-19.892435,"freq_skew":2.777275,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874167,"usec":992266},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234884,"noise_level":-20.508778,"freq_skew":2.724082,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":1.000000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874167,"usec":999531},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853866,"noise_level":-20.526051,"freq_skew":1.350218,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874168,"usec":1075},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317664,"noise_level":-21.039114,"freq_skew":2.630656,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874168,"usec":763226},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549309,"noise_level":-22.324839,"freq_skew":2.661705,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126475","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,61,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874169,"usec":530066},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145862,"noise_level":-22.001724,"freq_skew":1.095004,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":90,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53668,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[206,190,197,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874169,"usec":533802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447389,"noise_level":-21.958084,"freq_skew":2.796683,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874171,"usec":59450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252432,"noise_level":-21.606190,"freq_skew":1.022411,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874172,"usec":579165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925485,"noise_level":-21.039841,"freq_skew":2.605785,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874172,"usec":586983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450338,"noise_level":-21.674797,"freq_skew":1.666088,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874174,"usec":107203},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354617,"noise_level":-22.009548,"freq_skew":2.777411,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1243,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[123,55]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874174,"usec":857335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948891,"noise_level":-22.276131,"freq_skew":2.053695,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874174,"usec":869183},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864102,"noise_level":-22.042253,"freq_skew":2.338350,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[136,244,112,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874176,"usec":391296},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425530,"noise_level":-21.718702,"freq_skew":2.017889,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUW","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH6952","msg_num":"M26","msg_num_seq":"A","msg_text":"00021234266)NQBJ7RKR4L OA:20O2MLR"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874176,"usec":401524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792135,"noise_level":-21.550949,"freq_skew":2.096201,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":146996},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564603,"noise_level":-21.355858,"freq_skew":2.917463,"avlc":{"src":{"addr":"471F6F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":254,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":147992},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712337,"noise_level":-22.317961,"freq_skew":2.238994,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[221,193,162,66]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[206,198,81,235]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":29,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":899255},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.848656,"noise_level":-22.127243,"freq_skew":1.929371,"avlc":{"src":{"addr":"4CAE56","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10904A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":52.500000,"lon":-3.300000},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":899448},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990541,"noise_level":-22.127243,"freq_skew":-0.139627,"avlc":{"src":{"addr":"494105","type":"Aircraft","status":"Airborne"},"dst":{"addr":"260F37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":906497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954947,"noise_level":-22.359833,"freq_skew":2.105454,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874177,"usec":909012},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498158,"noise_level":-22.303032,"freq_skew":1.579094,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53665,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[221,189,48,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874178,"usec":670667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799221,"noise_level":-22.235357,"freq_skew":1.918399,"avlc":{"src":{"addr":"4D240E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874179,"usec":423157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503368,"noise_level":-23.071392,"freq_skew":2.853225,"avlc":{"src":{"addr":"471F6F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53682,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[158,208,127,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874179,"usec":436186},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753053,"noise_level":-22.827436,"freq_skew":2.059884,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":2.100000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874179,"usec":436186},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.753053,"noise_level":-22.827436,"freq_skew":2.059884,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"ME0201","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874179,"usec":436186},"freq":136975000,"burst_len_octets":181,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.753053,"noise_level":-22.827436,"freq_skew":2.059884,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874180,"usec":208805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921825,"noise_level":-23.309921,"freq_skew":2.836045,"avlc":{"src":{"addr":"471F6F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874181,"usec":728609},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636293,"noise_level":-22.555334,"freq_skew":1.518448,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53665,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[221,189,48,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874183,"usec":239356},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663889,"noise_level":-22.056999,"freq_skew":2.623815,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1244,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874183,"usec":243576},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997672,"noise_level":-22.506826,"freq_skew":2.160376,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"ME0201","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874183,"usec":243576},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.997672,"noise_level":-22.506826,"freq_skew":2.160376,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874183,"usec":992524},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183968,"noise_level":-22.380238,"freq_skew":2.238975,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[134,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874184,"usec":764815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984021,"noise_level":-22.077131,"freq_skew":2.393052,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874184,"usec":774970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761932,"noise_level":-21.880779,"freq_skew":1.656476,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874187,"usec":59289},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931303,"noise_level":-21.196573,"freq_skew":2.206189,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,191,152,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":29,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874187,"usec":811821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054017,"noise_level":-20.931496,"freq_skew":2.105389,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874187,"usec":815955},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989168,"noise_level":-20.864075,"freq_skew":2.063980,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53644,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[136,91,7,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874187,"usec":815955},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.989168,"noise_level":-20.864075,"freq_skew":2.063980,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53644,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[97,206,8,89]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874188,"usec":578938},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957941,"noise_level":-20.778151,"freq_skew":2.173446,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":53644,"variable_part_params":[{"name":"atn_checksum","value":[207,130,11,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874190,"usec":94529},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704738,"noise_level":-21.000092,"freq_skew":2.833463,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874193,"usec":910344},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504989,"noise_level":-19.766529,"freq_skew":-1.900494,"avlc":{"src":{"addr":"407757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874194,"usec":666209},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742211,"noise_level":-19.769962,"freq_skew":-1.954867,"avlc":{"src":{"addr":"407757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073527","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,71,66,0,64,119,87,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874195,"usec":444576},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640394,"noise_level":-19.495207,"freq_skew":-1.932088,"avlc":{"src":{"addr":"407757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..GOUEG","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874196,"usec":955872},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.204576,"noise_level":-19.595554,"freq_skew":1.939003,"avlc":{"src":{"addr":"4CAE56","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10904A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":52.500000,"lon":-3.300000},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874197,"usec":712197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707897,"noise_level":-19.430069,"freq_skew":-1.993438,"avlc":{"src":{"addr":"407757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874200,"usec":760659},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769112,"noise_level":-18.585814,"freq_skew":1.624041,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"BA0919","msg_num":"C17","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/FR26052709280030715106DRAINMAST HEATER FWD/DEU-B(300RH1)\r/IDCIDS 1\r "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874200,"usec":764435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840073,"noise_level":-19.803484,"freq_skew":-2.012074,"avlc":{"src":{"addr":"407757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874200,"usec":766939},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.752932,"noise_level":-19.769583,"freq_skew":-2.606846,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5110,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874202,"usec":285065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279257,"noise_level":-19.478464,"freq_skew":1.533586,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874202,"usec":289932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567161,"noise_level":-20.153687,"freq_skew":1.674060,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874203,"usec":53958},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859593,"noise_level":-20.767273,"freq_skew":2.054634,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.400000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874203,"usec":54275},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492361,"noise_level":-20.767273,"freq_skew":1.552238,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":1.300000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874203,"usec":54275},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.492361,"noise_level":-20.767273,"freq_skew":1.552238,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"BA0919","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874203,"usec":58171},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414526,"noise_level":-21.765648,"freq_skew":1.430276,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20074457","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,121,47,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874204,"usec":572902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786514,"noise_level":-21.421314,"freq_skew":1.512435,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874204,"usec":580480},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.239206,"noise_level":-21.309502,"freq_skew":1.939291,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2583,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874206,"usec":104429},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.063782,"noise_level":-20.752108,"freq_skew":1.919050,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55951,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[131,34]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874207,"usec":625939},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422604,"noise_level":-20.435896,"freq_skew":0.936321,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53617,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[134,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874208,"usec":390506},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439517,"noise_level":-20.892515,"freq_skew":1.938884,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874208,"usec":402345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952527,"noise_level":-20.702095,"freq_skew":1.117129,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874209,"usec":140030},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593116,"noise_level":-21.218985,"freq_skew":1.810957,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VUO","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR09ET","msg_num":"M40","msg_num_seq":"A","msg_text":"093007,19792,0953, 87,N 51.799 E 2.026"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874210,"usec":673030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559998,"noise_level":-21.411259,"freq_skew":1.968805,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874212,"usec":205269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327716,"noise_level":-21.902046,"freq_skew":1.841792,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874213,"usec":715173},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362555,"noise_level":-21.418392,"freq_skew":1.555133,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[239,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874214,"usec":478217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964028,"noise_level":-22.101564,"freq_skew":1.466802,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874219,"usec":50483},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.902643,"noise_level":-20.918404,"freq_skew":2.024114,"avlc":{"src":{"addr":"A20681","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10991A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..N23DQ","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"XA23DQ","msg_num":"M36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874224,"usec":390318},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.824796,"noise_level":-19.286074,"freq_skew":-1.953405,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874224,"usec":394308},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856177,"noise_level":-19.230249,"freq_skew":1.857205,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.400000},"alt":26000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874225,"usec":900652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.776023,"noise_level":-18.971802,"freq_skew":-1.889888,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874225,"usec":906844},"freq":136975000,"burst_len_octets":149,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972195,"noise_level":-19.164011,"freq_skew":1.798966,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AKJC","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"ZQ090U","msg_num":"C76","msg_num_seq":"A","sublabel":"CF","msg_text":"MM0929510527ABO\n09275016 340 215\n09285206 310 86\n09285616 310 86\n09285906 310 86\n09290816 310 86\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874226,"usec":664934},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640441,"noise_level":-19.069855,"freq_skew":1.897844,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17066503","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,109,67,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874227,"usec":452663},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399755,"noise_level":-19.001331,"freq_skew":2.688036,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705092842\r\n 564225760379360A607BCG3A-L200-0002\r\n-3000 380050017017566 331 332 304 313\r\n-2500 379990017017566 331 331 305 313\r\n-2000 379970017117566 332 332 305 314\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874228,"usec":196479},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945759,"noise_level":-19.643057,"freq_skew":1.658627,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AKJC","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"ZQ090U","msg_num":"C77","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE0929510527ABO\n09285616112 310 86\n09290816112 310 86\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874229,"usec":716540},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491075,"noise_level":-19.220037,"freq_skew":2.711444,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"B","sublabel":"DF","msg_text":"500 379960017117566 331 332 305 313\r\n-1000 379970016917466 330 331 304 313\r\n-0500 379980017017466 330 331 304 313\r\n 4200 380000017017566 330 331 304 313\r\n+0500 380010017017466 329 330 304 312\r\n+1000 3799800"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874230,"usec":478609},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.298247,"noise_level":-19.093916,"freq_skew":0.905903,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874232,"usec":770501},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325258,"noise_level":-18.496704,"freq_skew":1.758698,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874233,"usec":537036},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411076,"noise_level":-18.386589,"freq_skew":2.566980,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"D","sublabel":"DF","msg_text":"9 330 303 311\r\n+4000 379980016917466 329 330 303 312\r\n+4500 380000016917366 329 329 302 312\r\n+5000 379990016917466 329 331 304 313\r\n+5500 379960016917466 329 330 303 313\r\n+6000 379950016917466 330 330 305 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874234,"usec":283984},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480526,"noise_level":-19.474661,"freq_skew":2.058572,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":351,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874235,"usec":61436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196203,"noise_level":-19.942715,"freq_skew":2.016690,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874235,"usec":801293},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429486,"noise_level":-19.916866,"freq_skew":2.498179,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"E","sublabel":"DF","msg_text":"12\r\n+6500 379970016917466 329 330 303 313\r\n+7000 380000016917466 329 330 303 312\r\n+7500 380010016917466 328 330 302 312\r\n+8000 380010016917366 328 329 303 312\r\n+8500 380020016917466 328 330 303 312\r\n+9000 3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874237,"usec":349348},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.446924,"noise_level":-20.222565,"freq_skew":1.086301,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22206415","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,80,84,0,73,13,13,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874238,"usec":90069},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399223,"noise_level":-20.151562,"freq_skew":2.622635,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"F","sublabel":"DF","msg_text":"80020016917466 329 330 303 312\r\n-30 84 84 171 1740060106611\r\n-25 84 84 171 1740060106611\r\n-20 85 85 171 1730060106611\r\n-15 85 85 171 1730060106611\r\n-10 84 84 171 1730060106611\r\n-05 84 84 171 1730060106611\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874238,"usec":92747},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.438251,"noise_level":-21.031971,"freq_skew":1.042466,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCHM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"GS0001","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874238,"usec":94067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424339,"noise_level":-21.099846,"freq_skew":1.921836,"avlc":{"src":{"addr":"4D234E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874238,"usec":102628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.624687,"noise_level":-20.953215,"freq_skew":0.792166,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874239,"usec":623484},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568833,"noise_level":-20.583162,"freq_skew":2.569496,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"G","sublabel":"DF","msg_text":" 42 84 84 171 1730060106611\r\n+05 84 84 171 1730060106611\r\n+10 84 84 171 1730060106611\r\n+15 84 84 171 1730060106611\r\n+20 84 84 171 1730060106611\r\n+25 84 84 171 1730050106611\r\n+30 84 84 171 1730050106611\r\n+35"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874239,"usec":624703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.749258,"noise_level":-20.573875,"freq_skew":0.807979,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874241,"usec":161000},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267862,"noise_level":-20.157185,"freq_skew":2.093071,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874241,"usec":911902},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534922,"noise_level":-19.964750,"freq_skew":2.741742,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"H","sublabel":"DF","msg_text":" 84 84 171 1730060106611\r\n+40 84 84 170 1730060106611\r\n+45 84 84 170 1730060106611\r\n+50 84 84 170 1730060106611\r\n+55 84 84 170 1730060106611\r\n+60 84 84 170 1730060106611\r\n+65 84 84 170 1730060106611\r\n+70 84"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874241,"usec":916661},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948597,"noise_level":-20.968464,"freq_skew":1.491422,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"BA0919","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874243,"usec":432144},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434659,"noise_level":-20.682713,"freq_skew":2.682038,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"I","sublabel":"DF","msg_text":" 84 170 1730060106611\r\n+75 84 84 170 1730060106611\r\n+80 84 84 170 1730060106611\r\n+85 84 84 170 1730050106611\r\n+90 84 84 170 1730060106611\r\n-30 70 71 24 27-079500 -573ER\r\n-25 70 70 24 27-079500 -573ER\r\n-20 7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874244,"usec":960252},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612332,"noise_level":-20.314766,"freq_skew":1.640555,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"BA0919","msg_num":"F66","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTEGLL,09L,50,095340,/PR1327,320,240,60,,0,20,,M33,50,,,P25,P0,36090,,1268,3167234"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874245,"usec":713220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817933,"noise_level":-21.169811,"freq_skew":1.411149,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"BA0919","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874245,"usec":713404},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988770,"noise_level":-21.169811,"freq_skew":2.704405,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"J","sublabel":"DF","msg_text":"0 71 24 27-079300 -570ER\r\n-15 70 70 24 27-079300 -570ER\r\n-10 70 70 24 27-079300 -570ER\r\n-05 70 70 24 27-079300 -570ER\r\n 42 70 70 24 27-079300 -570ER\r\n+05 70 70 24 27-079400 -570ER\r\n+10 70 70 24 27-079300 -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874246,"usec":467730},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445055,"noise_level":-21.478674,"freq_skew":2.082739,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":957,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53619,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[139,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874246,"usec":476526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403700,"noise_level":-21.453058,"freq_skew":1.477940,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874247,"usec":253562},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562395,"noise_level":-22.277443,"freq_skew":2.535766,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"K","sublabel":"DF","msg_text":"70ER\r\n+15 70 69 24 27-079300 -570ER\r\n+20 69 69 24 27-079300 -568ER\r\n+25 69 69 24 27-079100 -568ER\r\n+30 69 69 24 27-079000 -568ER\r\n+35 69 69 24 27-079200 -568ER\r\n+40 69 69 24 27-079200 -568ER\r\n+45 69 69 24 2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874247,"usec":992626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019621,"noise_level":-22.266159,"freq_skew":1.325523,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"7","ack":"D","flight":"BA0919","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874248,"usec":81},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434938,"noise_level":-23.353090,"freq_skew":1.686695,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"15","blk_id":"8","ack":"!","flight":"BA0919","msg_num":"M96","msg_num_seq":"A","msg_text":"FST01EDDLEGLL 200 27 13 09530930"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874250,"usec":288073},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954082,"noise_level":-23.602161,"freq_skew":1.817486,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55951,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[146,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874250,"usec":288593},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309024,"noise_level":-23.589020,"freq_skew":1.381979,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874250,"usec":291295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735585,"noise_level":-24.443665,"freq_skew":2.135781,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874251,"usec":44619},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550218,"noise_level":-24.342838,"freq_skew":1.904105,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55951,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[27,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":30,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874251,"usec":46230},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.049556,"noise_level":-24.314243,"freq_skew":0.979800,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":53617,"variable_part_params":[{"name":"checksum","value":[163,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874251,"usec":830555},"freq":136975000,"burst_len_octets":138,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459766,"noise_level":-23.801552,"freq_skew":2.567163,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR651T","msg_num":"D87","msg_num_seq":"M","sublabel":"DF","msg_text":" 69 69 24 27-079300 -568ER\r\n+85 69 69 24 27-079300 -570ER\r\n+90 69 69 24 27-079300 -570ER\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874251,"usec":835489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746946,"noise_level":-24.364546,"freq_skew":2.064724,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874254,"usec":96671},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836725,"noise_level":-23.757801,"freq_skew":2.777902,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874257,"usec":918522},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784593,"noise_level":-22.270098,"freq_skew":1.883476,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55951,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[134,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":30,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874259,"usec":454326},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.606117,"noise_level":-21.660307,"freq_skew":2.126213,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55951,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[142,199]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874263,"usec":233140},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.463389,"noise_level":-20.491264,"freq_skew":1.842876,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.799999,"lon":2.500000},"alt":25000}},{"name":"alternate_ground_stations","value":["10959A","1096EA","10988A","10949A","1094AA","1091EA","1094EA","10956A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874264,"usec":758910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150051,"noise_level":-20.069666,"freq_skew":1.831785,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AKJC","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"ZQ090U","msg_num":"M76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874266,"usec":290197},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387488,"noise_level":-19.576109,"freq_skew":2.182331,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[130,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874267,"usec":41813},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468366,"noise_level":-19.469231,"freq_skew":1.556953,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"BA0919","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874267,"usec":51629},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076432,"noise_level":-20.467575,"freq_skew":2.057490,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56117,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[248,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":31,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874267,"usec":822999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096621,"noise_level":-20.653524,"freq_skew":1.948477,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874268,"usec":571794},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002062,"noise_level":-20.495766,"freq_skew":1.664385,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":174,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874268,"usec":578386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687464,"noise_level":-20.395191,"freq_skew":2.215255,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874270,"usec":109292},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810195,"noise_level":-20.200937,"freq_skew":1.564103,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"BA0919","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874270,"usec":854025},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141706,"noise_level":-21.171780,"freq_skew":1.739646,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17066503","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,109,67,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874270,"usec":864090},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219336,"noise_level":-21.004412,"freq_skew":2.003295,"avlc":{"src":{"addr":"73806F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874270,"usec":864798},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656912,"noise_level":-21.051079,"freq_skew":1.424408,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":1.600000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874271,"usec":629726},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533378,"noise_level":-20.933872,"freq_skew":1.386340,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-NEOR","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"BA0379","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874271,"usec":633981},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910206,"noise_level":-20.866432,"freq_skew":1.636461,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20072777","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,117,255,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874273,"usec":149979},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556307,"noise_level":-21.023952,"freq_skew":1.466224,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNL","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"BA0919","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874273,"usec":913442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470374,"noise_level":-21.610348,"freq_skew":1.447688,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874273,"usec":916010},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513079,"noise_level":-21.568626,"freq_skew":1.949641,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2589,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55951,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[138,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874274,"usec":676337},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865401,"noise_level":-21.424162,"freq_skew":2.075871,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55951,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[213,124]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":31,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874274,"usec":680307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691506,"noise_level":-21.367891,"freq_skew":1.675537,"avlc":{"src":{"addr":"3C6D43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874275,"usec":448166},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608670,"noise_level":-20.951019,"freq_skew":1.558580,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874276,"usec":216054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739387,"noise_level":-20.854645,"freq_skew":2.027023,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874276,"usec":959038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.437155,"noise_level":-20.661133,"freq_skew":0.003442,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874277,"usec":730859},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675788,"noise_level":-20.420790,"freq_skew":1.345143,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":746,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874279,"usec":255296},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944556,"noise_level":-20.939178,"freq_skew":1.963092,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53746,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[29,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874280,"usec":768552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.651000,"noise_level":-20.759274,"freq_skew":0.471787,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874281,"usec":526755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367134,"noise_level":-20.488626,"freq_skew":2.122146,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874282,"usec":295525},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983793,"noise_level":-20.351879,"freq_skew":2.176776,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55951,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[236,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":31,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874282,"usec":296232},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562797,"noise_level":-20.994703,"freq_skew":0.609570,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":3.300000},"alt":14000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874282,"usec":302185},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.533065,"noise_level":-20.888218,"freq_skew":0.532727,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"KL076U","msg_num":"M06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874282,"usec":302185},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.533065,"noise_level":-20.888218,"freq_skew":0.532727,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22052214","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,76,77,0,72,84,140,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874283,"usec":796863},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913769,"noise_level":-20.594963,"freq_skew":2.124205,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55951,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[134,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874284,"usec":585879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633528,"noise_level":-20.221725,"freq_skew":0.665951,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874285,"usec":330823},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.199510,"noise_level":-20.110638,"freq_skew":2.164710,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56117,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[27,185]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":5,"day":27},"time":{"hour":9,"min":31,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874285,"usec":338440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.678680,"noise_level":-19.997019,"freq_skew":0.543728,"avlc":{"src":{"addr":"48548C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874286,"usec":866414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.422965,"noise_level":-19.673176,"freq_skew":2.191098,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874287,"usec":616508},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.057159,"noise_level":-19.523891,"freq_skew":2.135211,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[119,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874288,"usec":382642},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.857249,"noise_level":-19.328754,"freq_skew":2.167875,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":56117,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[115,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874288,"usec":393860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.780211,"noise_level":-19.324574,"freq_skew":1.958045,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":56117,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[235,63]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874289,"usec":898796},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.116066,"noise_level":-19.065342,"freq_skew":2.016178,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":56117,"variable_part_params":[{"name":"checksum","value":[194,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874289,"usec":904626},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123534,"noise_level":-18.987692,"freq_skew":0.928044,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53668,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[206,190,197,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874291,"usec":425627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962171,"noise_level":-18.706272,"freq_skew":0.860337,"avlc":{"src":{"addr":"490D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874295,"usec":994500},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505578,"noise_level":-17.617437,"freq_skew":1.378411,"avlc":{"src":{"addr":"4BB2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874298,"usec":297015},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794891,"noise_level":-18.231617,"freq_skew":1.474730,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53665,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[221,189,48,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874299,"usec":71779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225937,"noise_level":-18.035440,"freq_skew":1.576973,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874299,"usec":72274},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499389,"noise_level":-18.414019,"freq_skew":2.793972,"avlc":{"src":{"addr":"471F6F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53682,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[158,208,127,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874300,"usec":558310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304805,"noise_level":-18.122280,"freq_skew":3.048032,"avlc":{"src":{"addr":"471F6F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874302,"usec":99775},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851234,"noise_level":-17.752411,"freq_skew":1.502166,"avlc":{"src":{"addr":"40792F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874302,"usec":863900},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432091,"noise_level":-18.702391,"freq_skew":1.888997,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"FR95SZ","msg_num":"D49","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM EI-HGM RYR95SZ EPKTEGCC270526081544,737789 ,BCG3AL2000002,.793,,455.8,263.0,,,-27.48,,,36001,,,147663,,,2353,2372,,, 84.05, 84.03,,, 4.6,404.4,,,0,0,,0,0,,0,0,0,0,0,0,,, 51.1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874302,"usec":865271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036707,"noise_level":-19.148956,"freq_skew":3.332534,"avlc":{"src":{"addr":"4CAE94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874303,"usec":612880},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076103,"noise_level":-19.047176,"freq_skew":3.401302,"avlc":{"src":{"addr":"4CAE94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874305,"usec":148523},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608041,"noise_level":-18.974592,"freq_skew":3.375728,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2716,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874305,"usec":153089},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557405,"noise_level":-18.920729,"freq_skew":1.896287,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FR95SZ","msg_num":"D49","msg_num_seq":"B","sublabel":"DF","msg_text":"360,,, 15.3012,,, -66.71,,, -1.5,,, -68.0,,, 0.002,-0.003,,,,6.698,,15430, 7711, 7713, 0,, 0,,, 2012, 2051,,, 0.0,,,,,151360,,,,,,132040,,,19320, 8400, 8400, 2530,, -,,, 60B695, 60A045,,,,,, -7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874305,"usec":923849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.756178,"noise_level":-19.705191,"freq_skew":-2.595602,"avlc":{"src":{"addr":"484162","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874308,"usec":185659},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077464,"noise_level":-19.160114,"freq_skew":-1.698094,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":367,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":8,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874308,"usec":192867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505859,"noise_level":-19.066000,"freq_skew":3.329859,"avlc":{"src":{"addr":"4CA853","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10987A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874308,"usec":955056},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658567,"noise_level":-19.582371,"freq_skew":1.709483,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR95SZ","msg_num":"D49","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A \r\nAPM EI-HGM RYR95SZ EPKTEGCC270526081544,737789 ,BCG3AL2000002,.793,,455.8,263.0,,,-27.48,,,36001,,,147663,,,2353,2372,,, 84.05, 84.03,,, 4.6,404.4,,,0,0,,0,0,,0,0,0,0,0,0,,, 51.1360,,, 15.3012,,, -66.71,,, -1.5,,, -68.0,,, 0.002,-0.003,,,,6.698,,15430, 7711, 7713, 0,, 0,,, 2012, 2051,,, 0.0,,,,,151360,,,,,,132040,,,19320, 8400, 8400, 2530,, -,,, 60B695, 60A045,,,,,, -70.767, -72.092,,,101.7,101.2,, 17, 18,,,,714.8,738.7,,,,,,,-54.9,,, -0.9,,, 0.1,,, 2.5,,, -1.5, 0.5, 0.5, 0.5, 0.4,,, -0.2,, 3.0, 3.1,,, 0.1, 1.1,,,-0.00,,,-0.00,,, 0.97,,, -0.028,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874309,"usec":722473},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608928,"noise_level":-19.265373,"freq_skew":2.001732,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":351,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874311,"usec":250585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438961,"noise_level":-18.990417,"freq_skew":2.012899,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874311,"usec":259120},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361393,"noise_level":-19.112465,"freq_skew":2.297756,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":0.700000},"alt":38000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":4194},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316123,"noise_level":-20.264971,"freq_skew":2.622133,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HMV","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR651T","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":11192},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808681,"noise_level":-21.072891,"freq_skew":1.567431,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53596,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[235,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":14337},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807054,"noise_level":-21.095341,"freq_skew":2.163011,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":1.700000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":14337},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.807054,"noise_level":-21.095341,"freq_skew":2.163011,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"ME0201","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":14337},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.807054,"noise_level":-21.095341,"freq_skew":2.163011,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":769328},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.286611,"noise_level":-21.989758,"freq_skew":2.346105,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126475","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,61,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874312,"usec":772036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679255,"noise_level":-22.776176,"freq_skew":1.378055,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":53596,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[208,214]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874313,"usec":532030},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518357,"noise_level":-22.367443,"freq_skew":1.381298,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":53596,"variable_part_params":[{"name":"checksum","value":[70,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874313,"usec":534172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913592,"noise_level":-22.333288,"freq_skew":2.539976,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874314,"usec":275645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157133,"noise_level":-23.339987,"freq_skew":2.122204,"avlc":{"src":{"addr":"485209","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874315,"usec":69470},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616972,"noise_level":-22.760103,"freq_skew":2.216730,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"ME0201","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874315,"usec":69470},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.616972,"noise_level":-22.760103,"freq_skew":2.216730,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874315,"usec":806207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759572,"noise_level":-23.211222,"freq_skew":2.128927,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874315,"usec":813032},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755050,"noise_level":-23.725576,"freq_skew":2.090545,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":1.700000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874315,"usec":813032},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.755050,"noise_level":-23.725576,"freq_skew":2.090545,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":1.700000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874318,"usec":854599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642122,"noise_level":-22.473198,"freq_skew":2.017411,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".T7-ME7","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"ME0201","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874318,"usec":856550},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586955,"noise_level":-22.438623,"freq_skew":2.095727,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24000743","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,69,65,0,80,1,227,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874319,"usec":630880},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932814,"noise_level":-22.178596,"freq_skew":2.121601,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874320,"usec":385046},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625083,"noise_level":-22.599974,"freq_skew":3.041015,"avlc":{"src":{"addr":"4CAE94","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10955A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53704,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[224,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874321,"usec":137793},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767619,"noise_level":-22.403032,"freq_skew":2.153694,"avlc":{"src":{"addr":"5001E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874325,"usec":723283},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664804,"noise_level":-20.618061,"freq_skew":1.509190,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-NEOR","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"BA0379","msg_num":"D46","msg_num_seq":"A","sublabel":"DF","msg_text":"/QUKAXBA PARJBXH.A321,043878,1,1,TB000000/REP009,85,02,1/CCG-NEOR,MAY27,093143,LATI,EGLL,0379/C0TFC050BA030101/C106,11101,4120,56,0011,0,1100,53,X/CE-058,24542,294,697,7165,269,F22A03/C22500M34P08 /C325"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874325,"usec":726431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595790,"noise_level":-20.814400,"freq_skew":1.501719,"avlc":{"src":{"addr":"46B825","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874327,"usec":231666},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705673,"noise_level":-20.542059,"freq_skew":1.592270,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-NEOR","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"BA0379","msg_num":"D46","msg_num_seq":"B","sublabel":"DF","msg_text":"90M00P13 /C42590M01P10 /C52474M65P08 /C62500M34P08 /C72590M00P13 /C82590M01P10 /C92474M65P08 /E159E116,00041,00024,00049,C3/E2598969,15234,07760,00235/F100394,00949,00,037/F20039"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874328,"usec":8617},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568047,"noise_level":-20.188772,"freq_skew":1.784941,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR95SZ","msg_num":"D50","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM EI-HGM RYR95SZ EPKTEGCC270526090539,737789 ,BCG3AL2000002,.793,,452.9,251.3,,,-32.23,,,38001,,,143638,,,2283,2293,,, 85.32, 85.33,,, 1.8,416.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 52.3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874328,"usec":10704},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601271,"noise_level":-20.162182,"freq_skew":1.413918,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-NEOR","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"BA0379","msg_num":"D46","msg_num_seq":"C","sublabel":"DF","msg_text":"7,00947,04,047/N12,0031,0009,14,00041,44100,2221/S103813,03798,08347,04790,00513,07700/T103828,03798,08216,05000,00510,08138/S203809,03803,08334,04795,00513,07700/T203819,03803,08194,04998,00512,08163/S3038"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874329,"usec":542461},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501819,"noise_level":-19.823723,"freq_skew":1.724458,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR95SZ","msg_num":"D50","msg_num_seq":"B","sublabel":"DF","msg_text":"611,,, 6.4047,,, -77.57,,, -0.9,,, -78.3,,, -0.003, 0.001,,,,6.766,,11450, 5739, 5710, 0,, 0,,, 3975, 4022,,, 0.0,,,,,151360,,,,,,132040,,,19320, 8400, 8400, 2530,, -,,, 60B695, 60A045,,,,,, -7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874330,"usec":289900},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635527,"noise_level":-20.295422,"freq_skew":1.371752,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".G-NEOR","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"BA0379","msg_num":"D46","msg_num_seq":"D","sublabel":"DF","msg_text":"06,03764,08319,04788,00501,07713/T303813,03770,08172,04995,00500,08163/S403763,03683,08225,04690,00446,07713/T403772,03738,08091,04913,00467,08163/S503700,03604,08100,04580,00429,07713/T503741,03744,08031,0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874331,"usec":53936},"freq":136975000,"burst_len_octets":219,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619828,"noise_level":-19.925959,"freq_skew":1.549074,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-NEOR","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"BA0379","msg_num":"D46","msg_num_seq":"E","sublabel":"DF","msg_text":"/QUKAXBA PARJBXH.A321,043878,1,1,TB000000/REP009,85,02,1/CCG-NEOR,MAY27,093143,LATI,EGLL,0379/C0TFC050BA030101/C106,11101,4120,56,0011,0,1100,53,X/CE-058,24542,294,697,7165,269,F22A03/C22500M34P08 /C32590M00P13 /C42590M01P10 /C52474M65P08 /C62500M34P08 /C72590M00P13 /C82590M01P10 /C92474M65P08 /E159E116,00041,00024,00049,C3/E2598969,15234,07760,00235/F100394,00949,00,037/F200397,00947,04,047/N12,0031,0009,14,00041,44100,2221/S103813,03798,08347,04790,00513,07700/T103828,03798,08216,05000,00510,08138/S203809,03803,08334,04795,00513,07700/T203819,03803,08194,04998,00512,08163/S303806,03764,08319,04788,00501,07713/T303813,03770,08172,04995,00500,08163/S403763,03683,08225,04690,00446,07713/T403772,03738,08091,04913,00467,08163/S503700,03604,08100,04580,00429,07713/T503741,03744,08031,04873,00476,08163/S603666,03665,08031,04553,00443,07713/T603728,03730,08000,04873,00482,08163/S703650,03653,07994,04558,00448,07725/T703722,03723,07975,04873,00485,08175/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874331,"usec":822274},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575664,"noise_level":-19.823221,"freq_skew":2.231049,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"FR651T","msg_num":"D88","msg_num_seq":"A","sublabel":"DF","msg_text":"B07A\r\nRTM1LOWEI-HMV 885651TLFMLEGCCER2705093023\r\n 589235860379360A607BCG3A-L200-0002\r\n-3000 380010016917466 329 331 302 312\r\n-2500 380010016917466 328 330 302 312\r\n-2000 380000016917466 330 330 302 312\r\n-1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874331,"usec":827393},"freq":136975000,"burst_len_octets":240,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649830,"noise_level":-20.516901,"freq_skew":1.718614,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR95SZ","msg_num":"D50","msg_num_seq":"C","sublabel":"DF","msg_text":"B03A \r\nAPM EI-HGM RYR95SZ EPKTEGCC270526090539,737789 ,BCG3AL2000002,.793,,452.9,251.3,,,-32.23,,,38001,,,143638,,,2283,2293,,, 85.32, 85.33,,, 1.8,416.9,,,0,0,,0,0,,0,0,0,0,0,0,,, 52.3611,,, 6.4047,,, -77.57,,, -0.9,,, -78.3,,, -0.003, 0.001,,,,6.766,,11450, 5739, 5710, 0,, 0,,, 3975, 4022,,, 0.0,,,,,151360,,,,,,132040,,,19320, 8400, 8400, 2530,, -,,, 60B695, 60A045,,,,,, -79.062, -79.870,,,101.7,101.3,, 17, 18,,,,727.0,746.2,,,,,,,-59.3,,, -0.6,,, -0.0,,, 2.7,,, -1.7, 0.5, 0.5, 0.2, 0.1,,, -0.3,, 3.1, 3.1,,, 0.3, 1.2,,,-0.00,,,-0.00,,, 0.98,,, 0.132,,,\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874333,"usec":330868},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619434,"noise_level":-20.155769,"freq_skew":-1.914271,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JVF","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"TK08MS","msg_num":"M51","msg_num_seq":"A","msg_text":"/N 52.364/W 0.491/18171/2705/0932/11083/1247/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874333,"usec":340623},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535778,"noise_level":-20.455847,"freq_skew":2.297423,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"FR651T","msg_num":"D88","msg_num_seq":"B","sublabel":"DF","msg_text":"500 380020016917466 329 330 302 312\r\n-1000 380010016917466 329 330 304 312\r\n-0500 379980016917466 329 330 302 311\r\n 2300 379930016917466 330 331 303 312\r\n+0500 379920017017466 329 331 302 313\r\n+1000 3799600"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874334,"usec":103952},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626659,"noise_level":-21.057777,"freq_skew":1.467071,"avlc":{"src":{"addr":"4075FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874336,"usec":394384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547687,"noise_level":-20.252542,"freq_skew":2.011312,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874337,"usec":913490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.397238,"noise_level":-20.610960,"freq_skew":0.178061,"avlc":{"src":{"addr":"49328A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2685D7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874338,"usec":658728},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417846,"noise_level":-20.453964,"freq_skew":2.333092,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"FR651T","msg_num":"D88","msg_num_seq":"C","sublabel":"DF","msg_text":"17017466 329 331 302 312\r\n+1500 380000016917366 329 329 302 312\r\n+2000 380020016817366 328 330 301 310\r\n+2500 380030016817366 328 330 301 312\r\n+3000 380030016917366 327 329 301 312\r\n+3500 379980016917366 32"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874338,"usec":660959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483432,"noise_level":-21.269611,"freq_skew":-1.909359,"avlc":{"src":{"addr":"4BAAC6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"212317","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874338,"usec":665847},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628863,"noise_level":-21.189556,"freq_skew":1.873423,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"FR95SZ","msg_num":"D51","msg_num_seq":"A","sublabel":"DF","msg_text":"B03A \r\nAPM EI-HGM RYR95SZ EPKTEGCC270526092452,737789 ,BCG3AL2000002,.793,,452.9,251.3,,,-31.76,,,38001,,,142263,,,2285,2292,,, 85.32, 85.31,,, 1.7,431.4,,,0,0,,0,0,,0,0,0,0,0,0,,, 52.9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874338,"usec":669403},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599072,"noise_level":-21.524660,"freq_skew":2.175553,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":53658,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[184,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874339,"usec":435263},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.316053,"noise_level":-22.619789,"freq_skew":0.797577,"avlc":{"src":{"addr":"4CA8E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1091EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1336,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874340,"usec":206945},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543356,"noise_level":-22.229404,"freq_skew":1.787786,"avlc":{"src":{"addr":"4CAC24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HGM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"FR95SZ","msg_num":"D51","msg_num_seq":"B","sublabel":"DF","msg_text":"176,,, 2.8343,,, -76.27,,, 0.1,,, -76.0,,, 0.003, 0.003,,,,6.778,,10079, 5062, 5015, 0,, 0,,, 4706, 4756,,, 0.0,,,,,151360,,,,,,132040,,,19320, 8400, 8400, 2530,, -,,, 60B695, 60A045,,,,,, -7"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1779874340,"usec":207563},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489584,"noise_level":-22.229404,"freq_skew":2.357357,"avlc":{"src":{"addr":"4CAD3D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".EI-HMV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"FR651T","msg_num":"D88","msg_num_seq":"D","sublabel":"DF","msg_text":"8 329 301 312\r\n+4000 379960016817366 326 329 301 311\r\n+4500 379990016817366 327 329 301 311\r\n+5000 379990016917266 328 329 302 311\r\n+5500 379980016817366 327 329 300 311\r\n+6000 379990016817366 327 329 300 3"}}}}