{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509061,"usec":504673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.695660,"noise_level":-15.521881,"freq_skew":1.588911,"avlc":{"src":{"addr":"4ACA9A","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":1788509079,"usec":18782},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.770783,"noise_level":-16.985451,"freq_skew":1.600302,"avlc":{"src":{"addr":"4D21F0","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":1,"retry":0}},{"name":"dst_airport","value":"EIKY"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":-2.000000},"alt":95000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509079,"usec":782080},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.756563,"noise_level":-16.868317,"freq_skew":1.588759,"avlc":{"src":{"addr":"4D21F0","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":254,"calling_addr":"23220760","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":[71,0,39,65,82,89,82,0,77,33,240,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509082,"usec":72234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806432,"noise_level":-17.471598,"freq_skew":1.667938,"avlc":{"src":{"addr":"4D21F0","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":1788509098,"usec":61940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.411013,"noise_level":-16.962868,"freq_skew":1.568304,"avlc":{"src":{"addr":"471DA8","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":1788509100,"usec":352028},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.146849,"noise_level":-17.120581,"freq_skew":-2.970717,"avlc":{"src":{"addr":"C058C0","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":".C-GHPV","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"AC0900","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509102,"usec":649495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.255484,"noise_level":-17.710293,"freq_skew":-3.065451,"avlc":{"src":{"addr":"C058C0","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":1788509117,"usec":107685},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.294930,"noise_level":-16.050894,"freq_skew":1.659340,"avlc":{"src":{"addr":"4D244C","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":1788509123,"usec":219879},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.623110,"noise_level":-16.146048,"freq_skew":0.717103,"avlc":{"src":{"addr":"346355","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","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":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":52.100002,"lon":2.000000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509127,"usec":792925},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.292901,"noise_level":-15.628782,"freq_skew":1.794098,"avlc":{"src":{"addr":"471DA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"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":1788509127,"usec":792925},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.292901,"noise_level":-15.628782,"freq_skew":1.794098,"avlc":{"src":{"addr":"471DA8","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":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":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":21150,"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":[60,132,85,52]}]}],"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":1788509128,"usec":552597},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522470,"noise_level":-15.529579,"freq_skew":1.669167,"avlc":{"src":{"addr":"471DA8","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":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":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":21150,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,55,183,246]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":4},"time":{"hour":8,"min":5,"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":1788509129,"usec":297973},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.687424,"noise_level":-16.444361,"freq_skew":1.646457,"avlc":{"src":{"addr":"4ACA9A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6992,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":20902,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[100,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509129,"usec":305523},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375268,"noise_level":-17.095993,"freq_skew":1.490240,"avlc":{"src":{"addr":"4ACA9A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6993,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":20902,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[216,208]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":4},"time":{"hour":8,"min":5,"sec":27}},"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":1788509129,"usec":307145},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300137,"noise_level":-17.077360,"freq_skew":1.419395,"avlc":{"src":{"addr":"471DA8","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":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509129,"usec":307498},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091010,"noise_level":-17.077360,"freq_skew":1.598276,"avlc":{"src":{"addr":"471DA8","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":2,"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":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21150,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[62,254,133,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509139,"usec":215129},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048646,"noise_level":-16.921516,"freq_skew":0.501051,"avlc":{"src":{"addr":"440D6E","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":1788509143,"usec":796295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336013,"noise_level":-17.830542,"freq_skew":1.189118,"avlc":{"src":{"addr":"346355","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":1788509145,"usec":307745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.474248,"noise_level":-18.048435,"freq_skew":-1.423571,"avlc":{"src":{"addr":"4D2133","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":1788509148,"usec":374098},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.565158,"noise_level":-18.307884,"freq_skew":1.239821,"avlc":{"src":{"addr":"4ACA9A","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":"22545232","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":[71,0,39,65,78,83,90,0,74,202,154,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509149,"usec":117970},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466556,"noise_level":-18.626410,"freq_skew":1.309730,"avlc":{"src":{"addr":"4ACA9A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","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":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6995,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":20902,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[97,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":4},"time":{"hour":8,"min":5,"sec":35}},"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":1788509149,"usec":891220},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.876908,"noise_level":-18.902344,"freq_skew":1.257598,"avlc":{"src":{"addr":"4ACA9A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"275D37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RTZ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"D803KQ","msg_num":"F51","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/FNNSZ3KQ/DTENTO,17O,51,091918,2FD616"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509150,"usec":640057},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.540799,"noise_level":-18.765638,"freq_skew":1.378920,"avlc":{"src":{"addr":"4ACA9A","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":1788509152,"usec":929833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.162066,"noise_level":-19.571621,"freq_skew":1.498899,"avlc":{"src":{"addr":"4D21F0","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":1788509155,"usec":219954},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.928644,"noise_level":-18.949533,"freq_skew":1.830489,"avlc":{"src":{"addr":"407F00","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2651D7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"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":1788509166,"usec":656710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.285225,"noise_level":-17.443668,"freq_skew":0.804943,"avlc":{"src":{"addr":"346355","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","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":1788509189,"usec":487210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.070158,"noise_level":-17.166630,"freq_skew":1.719336,"avlc":{"src":{"addr":"471DA8","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":1788509194,"usec":82061},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.636539,"noise_level":-18.035477,"freq_skew":-1.258725,"avlc":{"src":{"addr":"4D2133","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":2,"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":21010,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[90,53,183,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509197,"usec":119211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358325,"noise_level":-17.500618,"freq_skew":1.751209,"avlc":{"src":{"addr":"4D2430","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":1788509219,"usec":222794},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.507612,"noise_level":-17.150013,"freq_skew":-1.579063,"avlc":{"src":{"addr":"4D2133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":151,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509219,"usec":971383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.455225,"noise_level":-17.031950,"freq_skew":-1.434138,"avlc":{"src":{"addr":"4D2133","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":1788509223,"usec":26483},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.292087,"noise_level":-17.410612,"freq_skew":-1.195072,"avlc":{"src":{"addr":"4D2133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":151,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788509230,"usec":633076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.990401,"noise_level":-16.929075,"freq_skew":1.509539,"avlc":{"src":{"addr":"4CA304","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":1788509258,"usec":843596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.892584,"noise_level":-16.041285,"freq_skew":3.039761,"avlc":{"src":{"addr":"48C231","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":1788509263,"usec":408828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.619232,"noise_level":-15.927588,"freq_skew":2.782858,"avlc":{"src":{"addr":"4D2433","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":1788509279,"usec":403850},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257669,"noise_level":-17.282730,"freq_skew":-1.481623,"avlc":{"src":{"addr":"4D2133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10983A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}}