{"analysis":{"blocks":[[0.0,"mixed",902.3],[20.0,"mixed",167.0],[40.0,"mixed",890.6],[60.0,"mixed",876.0],[80.0,"mixed",216.8],[100.0,"mixed",905.3],[120.0,"mixed",873.0],[140.0,"mixed",1585.0],[160.0,"mixed",1596.7],[180.0,"mixed",1596.7],[200.0,"mixed",1599.6],[220.0,"mixed",1596.7],[240.0,"mixed",1596.7],[260.0,"mixed",1599.6],[280.0,"mixed",1596.7],[300.0,"mixed",1596.7],[320.0,"mixed",1596.7],[340.0,"mixed",1599.6],[360.0,"mixed",1596.7],[380.0,"mixed",1415.0],[400.0,"mixed",140.6],[420.0,"mixed",908.2],[440.0,"mixed",234.4],[460.0,"mixed",911.1],[480.0,"mixed",911.1],[500.0,"mixed",237.3],[520.0,"mixed",169.9],[540.0,"mixed",890.6],[560.0,"mixed",249.0],[580.0,"mixed",1596.7]],"content":"mixed","dur_s":600.06,"keying_depth":null,"keying_hz":null,"mix":{"mixed":1.0},"peak":0.5575,"rms":0.020873,"samplerate":12000,"summary":"mixed 100%","tone_hz":null},"archived":false,"archived_why":null,"band":"MF","dur_s":600.06,"excerpt_s":null,"freq_khz":516.5,"heard_in":[],"id":"2026-09-19T1817Z-516.5-navtex-518","licence":"CC BY 4.0","media":{"flac":{"bytes":9336155,"url":"/media/20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf.flac"},"m4a":{"bytes":3649640,"url":"/media/20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf.m4a"},"opus":{"bytes":2489001,"url":"/media/20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[59,90,97,96,96,96,95,97,96,96,96,96,95,96,96,97,96,96,96,96,97,96,96,96,96,98,99,97,97,96,96,96,96,97,96,96,96,96,96,97,96,96,95,96,96,96,96,96,96,96,95,95,96,96,95,95,96,96,96,96,95,96,96,96,95,95,95,96,95,96,95,95,95,96,95,96,95,96,95,95,96,95,95,95,94,97,98,96,95,95,97,95,95,95,95,96,95,95,95,96,96,95,94,95,95,95,96,94,95,96,95,96,95,96,96,96,96,96,96,96,95,95,96,96,95,95,95,95,95,96,95,96,95,96,95,96,96,97,96,96,97,96,95,95,94,97,99,96,96,96,97,97,98,97,96,96,96,96,97,96,97,98,98,98,98,98,98,98,97,98,97,98,97,97,96,96,96,96,96,96,96,97,96,97,96,96,97,96,98,97,97,97,96,97,97,96,97,96,96,96,96,96,96,96,96,98,98,97,96,97,95,96,97,96,96,96,97,96,96,96,95,96,96,96,96,96,95,96,96,97,96,96,96,97,97,98,97,97,97,97,97,97,97,97,95,96,96,96,96,97,96,96,96,96,96,97,97,97,97,97,97,96,96,97,97,98,98,97,97,96,97,97,97,98,98,96,97,97,98,97,97,97,96,97,97,97,97,96,97,97,97,96,96,96,96,97,97,96,96,96,96,96,96,95,95,96,96,97,96,96,97,97,97,96,96,96,95,96,96,95,94,95,96,94,94,96,95,96,95,94,94,94,95,95,95,95,95,95,95,95,95,94,96,94,94,94,96,95,95,95,95,95,95,95,95,95,95,95,94,95,95,96,97,96,96,96,96,96,96,96,96,96,97,97,97,97,97,97,97,97,97,97,97,97,97,98,99,97,98,97,97,97,97,97,97,96,96,95,96,96,96,96,96,96,97,96,96,96,96,97,96,97,97,97,97,96,97,96,95,94,94,96,96,96,95,95,96,95,95,95,95,94,94,93,95,95,96,95,96,94,95,94,94,95,95,97,98,95,96,94,96,94,96,95,96,95,95,94,96,94,94,95,95,94,94,94,95,94,94,94,94,94,94,94,94,94,95,93,95,94,89,90,95,94,95,95,95,94,95,95,95,95,95,95,96,95,96,96,96,95,97,95,96,96,96,97,100,96,96,95,96,94,96,95,95,95,96,95,95,95,96,96,96,95,95,95,95,96,96,95,96,96,96,95,97,96,96,95,96,95,96,95,95,95,97,95,95,94,95,95,96,95,95,95,95,95,96,95,96,96,96,97,95,96,96,99,99,97,96,97,96,95,96,97,97,94,97,96,96,96,97,97,97,97,96,97,97,96,96,96,96,96,97,96,97,96,96,95,97,96],"publish":"full","receiver":{"antenna":"Longwire 54m top 70m above sealevel","grid":"JO21oc","loc":"Heppen, Limburg, Belgium","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-19T2017Z-516.5-navtex-518","2026-09-19T2147Z-488.5-navtex-490","2026-09-19T2219Z-516.5-navtex-518","2026-09-19T1812Z-10000-wwv-10000","2026-09-19T1807Z-4995-rwm-4996","2026-09-19T1828Z-8957-volmet-8957"],"rig_item":"2026-09-19T1817Z-516.5-navtex-518","sha256":"20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf","snr_db":39,"source_dur_s":600.06,"spectrogram":"/spectrogram/20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf.png","station":{"kind":"navigation","name":"NAVTEX","slug":"navtex"},"thumb":"/spectrogram/20a76544e03cc994a36df94ecc5cffff710b13f316dec68128a654a53e6760bf-thumb.png","tier":"A","url":"/capture/2026-09-19T1817Z-516.5-navtex-518/","utc":"2026-09-19T18:17:35Z"}