{"analysis":{"blocks":[[0.0,"noise",401.3],[20.0,"noise",401.3],[40.0,"noise",401.3],[60.0,"noise",401.3],[80.0,"noise",401.3],[100.0,"noise",298.8],[120.0,"noise",401.3],[140.0,"noise",401.3],[160.0,"noise",401.3],[180.0,"noise",401.3],[200.0,"noise",401.3],[220.0,"noise",401.3],[240.0,"noise",401.3],[260.0,"noise",401.3],[280.0,"noise",401.3],[300.0,"noise",401.3],[320.0,"noise",401.3],[340.0,"noise",401.3],[360.0,"noise",401.3],[380.0,"noise",401.3],[400.0,"noise",401.3],[420.0,"noise",401.3],[440.0,"noise",401.3],[460.0,"noise",401.3],[480.0,"noise",401.3],[500.0,"noise",401.3],[520.0,"noise",401.3],[540.0,"noise",401.3],[560.0,"noise",401.3],[580.0,"noise",401.3]],"content":"noise","dur_s":600.28,"keying_depth":null,"keying_hz":null,"mix":{"noise":1.0},"peak":0.467,"rms":0.031901,"samplerate":11999,"summary":"noise 100%","tone_hz":null},"archived":false,"archived_why":null,"band":"20 MHz","dur_s":600.28,"excerpt_s":null,"freq_khz":20000.0,"heard_in":[],"id":"2026-09-21T2101Z-20000-wwv-20000","licence":"CC BY 4.0","media":{"flac":{"bytes":10635717,"url":"/media/8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51.flac"},"m4a":{"bytes":4135084,"url":"/media/8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51.m4a"},"opus":{"bytes":3151162,"url":"/media/8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51.opus"}},"mode":"AM","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[95,94,94,95,93,93,94,94,94,93,96,93,94,93,94,94,94,94,94,94,94,95,94,94,94,94,94,94,94,94,93,93,94,93,94,94,94,94,94,94,95,93,94,94,94,94,94,94,94,94,94,94,94,94,94,94,93,94,93,93,94,94,95,94,94,94,94,93,94,94,96,93,94,94,94,94,95,94,93,94,95,93,94,94,95,96,93,95,96,96,94,94,94,93,94,93,94,93,93,94,95,93,94,94,94,94,94,94,94,93,93,93,94,94,95,95,94,94,94,95,94,94,94,93,94,93,93,94,94,94,95,93,94,94,93,94,94,94,93,94,94,94,94,94,94,95,94,93,94,93,94,94,93,94,95,93,94,94,94,95,95,94,94,94,94,93,94,95,94,94,94,94,95,93,94,96,94,94,94,93,94,94,94,93,94,94,94,93,94,94,96,93,94,93,94,94,95,94,94,94,94,93,94,93,95,96,93,94,94,94,94,93,94,94,94,94,94,94,94,94,95,94,94,93,93,94,93,94,94,94,94,93,94,94,94,95,93,94,94,94,94,94,95,93,93,94,93,94,94,94,96,93,93,93,94,94,95,93,94,94,93,94,94,93,94,95,93,94,93,94,93,94,94,94,93,93,94,94,93,95,94,93,94,94,94,93,93,94,94,93,94,94,94,94,94,96,93,94,93,93,94,93,94,94,94,94,94,94,93,94,95,93,94,93,93,94,94,94,94,94,94,94,94,94,93,95,94,94,94,94,95,94,93,94,94,94,93,94,94,95,95,94,94,94,94,94,94,93,93,94,94,94,94,94,94,96,94,94,94,93,93,94,94,93,94,94,94,94,93,94,95,93,94,94,93,94,94,93,94,94,94,94,95,93,94,95,93,96,93,100,92,93,94,94,95,94,94,94,94,95,95,93,94,93,94,94,94,94,93,95,95,94,94,93,95,96,93,94,93,94,94,93,95,93,94,94,93,93,93,95,96,94,94,94,94,94,95,94,93,95,93,93,94,93,94,96,93,94,93,94,95,94,94,94,94,95,94,94,94,94,96,93,94,94,93,93,94,94,94,94,94,94,94,94,94,95,93,94,94,95,93,94,94,93,94,95,95,94,94,95,95,93,94,95,93,93,94,93,93,94,94,93,98,93,94,95,93,94,94,94,94,93,94,94,93,94,93,94,94,95,95,93,94,93,94,94,93,95,93,96,93,94,95,94,94,95,94,94,94,94,95,93,95,94,95,95,94,94,94,96,95,94,96,94,94,96,95,93,94,94,95,94,94,93,95,94,94,94,94,94,95,93,95,93,94,93,93,94,94,94,96,93,94,93,94,94,94,93,94,93,95,93,95,94,94,94,93,94,94,95],"publish":"full","receiver":{"antenna":"LW 20 LONG FIL MULTIBANDE 0 à 30 mhz","grid":"JN18xw","loc":"villers aux bois france","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-21T1414Z-20000-wwv-20000","2026-09-22T1410Z-20000-wwv-20000","2026-09-20T1440Z-20000-wwv-20000","2026-09-21T2100Z-5561-v28-5561","2026-09-21T2112Z-7644.5-rtty-7646","2026-09-21T2049Z-516.5-navtex-518"],"rig_item":"2026-09-21T2101Z-20000-wwv-20000","sha256":"8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51","snr_db":30,"source_dur_s":600.28,"spectrogram":"/spectrogram/8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51.png","station":{"kind":"","name":"WWV time signal, 20 MHz (day)","slug":"wwv-20000"},"thumb":"/spectrogram/8c0b1ef3429c6f3cce368214d66b2d95c301432f491a88dcee2d16755ea45a51-thumb.png","tier":"A","url":"/capture/2026-09-21T2101Z-20000-wwv-20000/","utc":"2026-09-21T21:01:35Z"}