{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222230,"usec":956557},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.602984,"noise_level":-3.753381,"freq_skew":-0.876434,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":254,"sseq":0,"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":67,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":6,"dst_ref":62955,"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":[159,46]},{"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":"2.3.0-967750b"},"t":{"sec":1761222230,"usec":962394},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514551,"noise_level":-6.365362,"freq_skew":1.178606,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":46.299999,"lon":-1.500000},"alt":19000}},{"name":"alternate_ground_stations","value":["219A57","2190F7","27D897","2125F7","2A3277","211677"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222230,"usec":964543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012790,"noise_level":-7.089161,"freq_skew":0.786598,"avlc":{"src":{"addr":"3CC249","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222230,"usec":965328},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373699,"noise_level":-7.089161,"freq_skew":0.557306,"avlc":{"src":{"addr":"3964F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222231,"usec":700084},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868774,"noise_level":-12.679133,"freq_skew":-0.884342,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":1,"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":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62955,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":10,"day":23},"time":{"hour":12,"min":23,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222231,"usec":717515},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.512507,"noise_level":-13.767769,"freq_skew":0.480703,"avlc":{"src":{"addr":"3964F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","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":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222232,"usec":459423},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.019130,"noise_level":-14.576816,"freq_skew":0.573188,"avlc":{"src":{"addr":"3964F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":2,"dst_ref":62925,"variable_part_params":[{"name":"checksum","value":[196,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222233,"usec":192852},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191562,"noise_level":-15.918217,"freq_skew":0.949677,"avlc":{"src":{"addr":"4CAFF8","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":false,"reg":".EI-ILI","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR9047","msg_num":"M63","msg_num_seq":"A","msg_text":"/EGCC.TI2/024EGCCAF1FF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222233,"usec":200073},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093678,"noise_level":-15.901945,"freq_skew":0.560191,"avlc":{"src":{"addr":"3964F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","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":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23037,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[173,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222234,"usec":759714},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.326900,"noise_level":-17.227346,"freq_skew":0.443136,"avlc":{"src":{"addr":"3964F7","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23037,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[81,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2025,"month":10,"day":23},"time":{"hour":12,"min":23,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222237,"usec":21146},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.751823,"noise_level":-16.880859,"freq_skew":0.349520,"avlc":{"src":{"addr":"3964F7","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":"2.3.0-967750b"},"t":{"sec":1761222237,"usec":23134},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375226,"noise_level":-16.874798,"freq_skew":1.298664,"avlc":{"src":{"addr":"4B0DD5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBFGF","mode":"2","label":"10","blk_id":"8","ack":"!","flight":"XA0000","msg_num":"M07","msg_num_seq":"A","msg_text":"/N50.456/W000.131/30/0.35/126/170/LSZB/1413/0022/00005/BENBO/HAWKE/1230/XAMAB/1233/EGLF/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222237,"usec":780997},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569954,"noise_level":-16.869123,"freq_skew":-0.898978,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62955,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[92,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222237,"usec":792443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979869,"noise_level":-16.826824,"freq_skew":0.198180,"avlc":{"src":{"addr":"4CA708","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222238,"usec":558165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.309480,"noise_level":-16.671497,"freq_skew":1.582119,"avlc":{"src":{"addr":"4B0DD5","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":"2.3.0-967750b"},"t":{"sec":1761222238,"usec":573336},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382537,"noise_level":-16.624258,"freq_skew":-0.950918,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62955,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[88,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222239,"usec":350379},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.996168,"noise_level":-17.316437,"freq_skew":-1.236490,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62955,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[79,243]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2025,"month":10,"day":23},"time":{"hour":12,"min":23,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222240,"usec":84616},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555557,"noise_level":-17.259232,"freq_skew":0.996397,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":46.299999,"lon":-1.500000},"alt":19000}},{"name":"alternate_ground_stations","value":["219A57","2190F7","27D897","2125F7","2A3277","211677"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222240,"usec":92814},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429319,"noise_level":-17.233925,"freq_skew":-0.945562,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62955,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[84,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222240,"usec":859580},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.394904,"noise_level":-17.112730,"freq_skew":1.153690,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":"22040536","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":[71,0,39,65,75,76,77,0,72,65,94,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222240,"usec":863373},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.330248,"noise_level":-17.100281,"freq_skew":-1.184176,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":62955,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[7,59]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":10,"day":23},"time":{"hour":12,"min":24,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222241,"usec":596899},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428179,"noise_level":-17.013624,"freq_skew":1.293668,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXE","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"KL074L","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222242,"usec":375041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986566,"noise_level":-16.824768,"freq_skew":-1.085163,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222242,"usec":377752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297748,"noise_level":-16.818743,"freq_skew":1.203055,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222243,"usec":138545},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535792,"noise_level":-17.467491,"freq_skew":-2.474618,"avlc":{"src":{"addr":"394C10","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23039,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[103,155,250,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222243,"usec":138545},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.535792,"noise_level":-17.467491,"freq_skew":-2.474618,"avlc":{"src":{"addr":"394C10","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","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":1,"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":42,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":23039,"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":[33,0,193,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222243,"usec":904866},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.119049,"noise_level":-17.281311,"freq_skew":-2.371324,"avlc":{"src":{"addr":"394C10","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":"2.3.0-967750b"},"t":{"sec":1761222244,"usec":669195},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.688558,"noise_level":-17.125313,"freq_skew":1.297458,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":1944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31193,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[137,60]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222245,"usec":462851},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.985130,"noise_level":-17.110783,"freq_skew":-0.205254,"avlc":{"src":{"addr":"407182","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":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222247,"usec":690159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.047025,"noise_level":-18.500980,"freq_skew":1.349804,"avlc":{"src":{"addr":"06A36D","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":"2.3.0-967750b"},"t":{"sec":1761222248,"usec":446986},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398859,"noise_level":-18.363207,"freq_skew":0.257573,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":9,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[76,239]},{"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":"2.3.0-967750b"},"t":{"sec":1761222248,"usec":454750},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.905804,"noise_level":-18.334478,"freq_skew":-2.209178,"avlc":{"src":{"addr":"394C10","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":"2.3.0-967750b"},"t":{"sec":1761222249,"usec":204402},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794427,"noise_level":-18.350986,"freq_skew":1.091760,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":1945,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":11,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222249,"usec":215472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.816119,"noise_level":-18.685539,"freq_skew":2.172518,"avlc":{"src":{"addr":"345043","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":"2.3.0-967750b"},"t":{"sec":1761222249,"usec":961010},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445970,"noise_level":-18.581638,"freq_skew":0.318268,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44748,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[145,22]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222249,"usec":965375},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664797,"noise_level":-19.188313,"freq_skew":1.135204,"avlc":{"src":{"addr":"48415E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"251657","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":1944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31193,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[137,60]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222249,"usec":977689},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727773,"noise_level":-19.133112,"freq_skew":0.367389,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":44748,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[182,120]}]}],"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":[1,3,27,1,131307,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RAM637","long_tsap":{"rdp":[65,82,65,77,0],"short_tsap":{"ars":[2,0,235],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,65,77,0],"short_tsap":{"ars":[2,0,235],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"EBBR","destination_airport":"GMMX"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222250,"usec":734584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531725,"noise_level":-19.000494,"freq_skew":-0.938331,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222251,"usec":503016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.042369,"noise_level":-18.771292,"freq_skew":0.556770,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222251,"usec":532280},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309302,"noise_level":-19.528603,"freq_skew":1.034577,"avlc":{"src":{"addr":"4CAFF8","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":7,"retry":0}},{"name":"dst_airport","value":"EGCC"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":-0.400000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222252,"usec":250133},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702586,"noise_level":-19.520380,"freq_skew":-0.970859,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":254,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222252,"usec":274456},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.036958,"noise_level":-19.406065,"freq_skew":0.892239,"avlc":{"src":{"addr":"4CAFF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10949A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":13103},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330585,"noise_level":-19.309263,"freq_skew":0.272894,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":44748,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[163,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":14217},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.546907,"noise_level":-19.309263,"freq_skew":0.802547,"avlc":{"src":{"addr":"4CAFF8","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-ILI","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR9047","msg_num":"M63","msg_num_seq":"A","msg_text":"/EGCC.TI2/024EGCCAF1FF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":31751},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290308,"noise_level":-19.244848,"freq_skew":0.445446,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":9,"dst_ref":44748,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[137,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":49483},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226896,"noise_level":-19.639853,"freq_skew":0.816668,"avlc":{"src":{"addr":"4CAFF8","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-ILI","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"FR9047","msg_num":"M63","msg_num_seq":"A","msg_text":"/EGCC.TI2/024EGCCAF1FF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":57337},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.503276,"noise_level":-19.623201,"freq_skew":4.077075,"avlc":{"src":{"addr":"4D02DD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":785902},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679461,"noise_level":-19.556919,"freq_skew":1.290425,"avlc":{"src":{"addr":"06A36D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262259","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":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":3,"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":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":788035},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821065,"noise_level":-19.548668,"freq_skew":-1.231766,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":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":74,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7,"dst_ref":23049,"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":[60,141]},{"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":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":794667},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561348,"noise_level":-19.523966,"freq_skew":1.061729,"avlc":{"src":{"addr":"4CAFF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","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":"23127770","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":[71,0,39,65,82,89,82,0,76,175,248,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222253,"usec":819998},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234094,"noise_level":-19.993448,"freq_skew":-1.171660,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","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":254,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222254,"usec":541127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.938765,"noise_level":-19.958799,"freq_skew":0.318344,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222255,"usec":331203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.169033,"noise_level":-20.320068,"freq_skew":0.932088,"avlc":{"src":{"addr":"4CAFF8","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":"2.3.0-967750b"},"t":{"sec":1761222255,"usec":332298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514362,"noise_level":-20.311060,"freq_skew":-1.473896,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222258,"usec":376951},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826353,"noise_level":-19.430023,"freq_skew":1.853491,"avlc":{"src":{"addr":"A16534","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":[32,132,128]}],"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":49.400002,"lon":-1.200000},"alt":0}},{"name":"alternate_ground_stations","value":["1191EA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222259,"usec":145028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609203,"noise_level":-19.991953,"freq_skew":2.357512,"avlc":{"src":{"addr":"40757F","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":"2.3.0-967750b"},"t":{"sec":1761222259,"usec":929069},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.311393,"noise_level":-19.735441,"freq_skew":2.101306,"avlc":{"src":{"addr":"A16534","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":".N1895T","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0002","msg_num":"M87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222260,"usec":655107},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327105,"noise_level":-19.927891,"freq_skew":1.037001,"avlc":{"src":{"addr":"4CAFF8","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":".EI-ILI","mode":"2","label":"_d","blk_id":"4","ack":"A","flight":"FR9047","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222260,"usec":667074},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.823034,"noise_level":-19.876360,"freq_skew":1.822594,"avlc":{"src":{"addr":"A16534","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":254,"calling_addr":"50262464","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":[71,0,39,193,88,65,65,0,161,101,52,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222261,"usec":435978},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.765575,"noise_level":-20.728352,"freq_skew":1.670045,"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":"SA","blk_id":"8","ack":"!","flight":"FR60FB","msg_num":"S84","msg_num_seq":"A","msg_text":"0LS1224192/","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":12,"min":24,"sec":19}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222262,"usec":911471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.150935,"noise_level":-20.268459,"freq_skew":1.086268,"avlc":{"src":{"addr":"4CAFF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILI","mode":"2","label":"_d","blk_id":"5","ack":"B","flight":"FR9047","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222262,"usec":953234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.052096,"noise_level":-20.240395,"freq_skew":-1.086478,"avlc":{"src":{"addr":"39C424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222264,"usec":432193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955555,"noise_level":-20.002579,"freq_skew":2.446337,"avlc":{"src":{"addr":"40757F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222264,"usec":451800},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385967,"noise_level":-19.907528,"freq_skew":0.971121,"avlc":{"src":{"addr":"4CAFF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILI","mode":"2","label":"_d","blk_id":"6","ack":"C","flight":"FR9047","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222265,"usec":200841},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251647,"noise_level":-19.737328,"freq_skew":2.368910,"avlc":{"src":{"addr":"40757F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","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":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8529,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,43,179,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222265,"usec":970333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.356259,"noise_level":-20.622643,"freq_skew":0.202787,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222265,"usec":981442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.153207,"noise_level":-20.774176,"freq_skew":1.676811,"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":"2.3.0-967750b"},"t":{"sec":1761222265,"usec":985852},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483355,"noise_level":-20.755205,"freq_skew":0.274402,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":5,"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":4404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":10,"dst_ref":23053,"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":[167,71]},{"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":"2.3.0-967750b"},"t":{"sec":1761222267,"usec":498245},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474001,"noise_level":-20.970621,"freq_skew":0.071022,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","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":6,"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":4405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":23053,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[37,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":10,"day":23},"time":{"hour":12,"min":24,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222269,"usec":16695},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.950355,"noise_level":-21.165611,"freq_skew":0.296381,"avlc":{"src":{"addr":"0200EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222272,"usec":107820},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324423,"noise_level":-20.083620,"freq_skew":1.042029,"avlc":{"src":{"addr":"407E46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10988A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-SUNC","mode":"2","label":"80","blk_id":"3","ack":"!","flight":"LS029Y","msg_num":"M37","msg_num_seq":"A","msg_text":"3401 ETA 029Y/23 LEPA/EGBB .G-SUNC\r\n/ETA 1244/FOB 0028"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222273,"usec":617109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-12.790201,"noise_level":-21.044518,"freq_skew":1.102162,"avlc":{"src":{"addr":"407E46","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":"2.3.0-967750b"},"t":{"sec":1761222275,"usec":145215},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.148977,"noise_level":-21.550354,"freq_skew":0.030661,"avlc":{"src":{"addr":"4CA708","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":19,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[102,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222278,"usec":151355},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389415,"noise_level":-20.625378,"freq_skew":2.175288,"avlc":{"src":{"addr":"4D24CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","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":"EGGD"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":-3.700000},"alt":30000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222278,"usec":928584},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727450,"noise_level":-20.313671,"freq_skew":2.196938,"avlc":{"src":{"addr":"4D24CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","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":"23222314","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":[71,0,39,65,82,89,82,0,77,36,204,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222279,"usec":690886},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479324,"noise_level":-20.135405,"freq_skew":2.055515,"avlc":{"src":{"addr":"4D24CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR04HX","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222279,"usec":702948},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258072,"noise_level":-20.073868,"freq_skew":0.464223,"avlc":{"src":{"addr":"4CA708","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":19,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[102,181]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222280,"usec":448764},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.018673,"noise_level":-19.960726,"freq_skew":2.075526,"avlc":{"src":{"addr":"4D24CC","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":"2.3.0-967750b"},"t":{"sec":1761222281,"usec":966420},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567857,"noise_level":-19.538805,"freq_skew":0.802533,"avlc":{"src":{"addr":"3CC249","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCAWN","mode":"2","label":"10","blk_id":"0","ack":"!","flight":"GS0000","msg_num":"M12","msg_num_seq":"A","msg_text":"/N49.272/E002.038/10/0.58/341/176/EGLF/1253/0088/00040/OPALE/KESAX/1226/KUNAV/1229/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222282,"usec":743384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.352066,"noise_level":-19.340948,"freq_skew":1.853278,"avlc":{"src":{"addr":"A16534","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":".N1895T","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0002","msg_num":"M87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222282,"usec":765598},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.871513,"noise_level":-20.348156,"freq_skew":1.911992,"avlc":{"src":{"addr":"A16534","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":254,"calling_addr":"50262464","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":[71,0,39,193,88,65,65,0,161,101,52,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222282,"usec":773641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155975,"noise_level":-21.434729,"freq_skew":0.953720,"avlc":{"src":{"addr":"3CC249","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222284,"usec":260010},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182384,"noise_level":-21.112896,"freq_skew":0.999233,"avlc":{"src":{"addr":"407E46","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":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":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8347,"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":[134,202,19,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-967750b"},"t":{"sec":1761222284,"usec":292797},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.989834,"noise_level":-20.927299,"freq_skew":2.096513,"avlc":{"src":{"addr":"4D24CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}