{"analysis":{"blocks":[[0.0,"keyed-tone",2317.2],[20.0,"keyed-tone",2317.2],[40.0,"keyed-tone",2317.2],[60.0,"keyed-tone",2317.2],[80.0,"keyed-tone",2317.2],[100.0,"keyed-tone",2317.2],[120.0,"carrier",2317.2],[140.0,"carrier",2317.2],[160.0,"keyed-tone",2317.2],[180.0,"keyed-tone",2317.2],[200.0,"keyed-tone",2317.2],[220.0,"keyed-tone",2317.2],[240.0,"keyed-tone",2317.2],[260.0,"keyed-tone",2317.2],[280.0,"carrier",2317.2]],"content":"keyed-tone","dur_s":300.23,"keying_depth":0.53,"keying_hz":0.25,"mix":{"carrier":0.2,"keyed-tone":0.8},"peak":0.5967,"rms":0.296034,"samplerate":11999,"summary":"keyed-tone 80% · carrier 20% · tone 2317 Hz · keying 0.25 Hz depth 0.53","tone_hz":2317.2},"archived":false,"archived_why":null,"band":"3 MHz","dur_s":300.23,"excerpt_s":null,"freq_khz":3853.1,"heard_in":[],"id":"2026-09-18T2238Z-3853.1-wxfax-3855","licence":"CC BY 4.0","media":{"flac":{"bytes":5695006,"url":"/media/df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e.flac"},"m4a":{"bytes":1820082,"url":"/media/df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e.m4a"},"opus":{"bytes":1281586,"url":"/media/df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e.opus"}},"mode":"USB","notes":{"listening":{"marks":[],"note":"","stars":0,"tags":[]},"rig":null},"peaks":[98,98,96,97,99,94,96,97,99,96,89,98,98,99,95,97,99,90,96,99,99,96,94,99,99,95,97,99,98,92,98,99,97,91,99,97,86,91,99,99,98,95,99,96,86,93,99,99,99,92,92,99,91,95,99,99,98,90,95,97,89,98,99,99,99,93,86,84,97,95,98,99,98,84,93,98,98,99,97,96,98,96,97,98,98,95,93,94,99,97,85,89,98,98,90,94,97,94,97,94,95,98,96,92,98,98,99,98,93,81,79,93,97,98,98,99,94,94,91,92,97,89,97,99,94,91,93,94,98,97,91,99,99,96,93,96,99,97,94,92,87,86,97,91,98,99,98,98,97,94,94,92,89,94,98,99,99,95,93,95,97,93,89,98,98,99,98,96,93,96,98,97,96,94,89,97,98,98,99,99,99,94,92,91,88,95,98,99,99,98,96,95,86,83,91,98,99,99,99,97,91,88,96,89,97,99,98,99,98,94,93,88,95,96,98,99,99,97,89,88,89,98,98,94,99,98,95,97,94,95,99,98,98,98,95,85,96,99,99,98,96,99,97,84,94,98,98,99,98,97,99,95,90,92,94,99,98,99,99,99,98,96,89,94,98,99,99,98,98,98,95,94,98,99,99,99,99,98,95,94,99,97,99,98,98,99,99,99,99,99,99,97,94,99,99,98,100,99,99,98,92,99,99,99,99,97,98,99,97,98,99,98,99,99,96,98,97,97,99,98,99,99,99,97,97,98,98,97,89,97,99,99,98,95,96,98,91,90,98,99,99,98,92,87,85,94,93,91,97,98,97,95,94,98,98,98,98,99,99,99,99,94,91,81,96,98,98,99,98,98,97,98,94,90,98,96,98,98,99,98,95,94,92,98,99,99,99,99,99,97,90,86,97,99,99,99,99,99,96,90,87,95,98,99,98,99,99,97,90,87,84,92,96,98,99,98,95,94,94,92,96,98,98,96,97,98,98,97,97,99,98,94,87,94,98,98,97,95,96,92,89,97,98,98,98,91,92,98,98,98,98,95,93,97,98,98,98,96,95,98,99,95,90,98,99,94,92,96,98,98,97,89,98,99,97,97,93,92,98,96,92,98,99,97,97,93,91,99,98,94,93,98,99,99,98,90,92,98,97,95,97,96,95,96,98,98,99,99,97,97,97,92,92,95,92,95,98,99,99,97,93,94,97,98,98,95,81,96,97,94,89,98,99,99,98,96,93,91,80,97,97,92,98,99,99,99,97,91,89,98,97,88,84,97,99,99,94,90,98,99,97,94,95,99,99,97,96,96,99,99,97,93,90,96,95,97,92,97,99,98,93,92,93,85,95,97,97,97,98,97,97,95,88,98,99,96,91,98,99,97],"publish":"full","receiver":{"antenna":"(same as Wessex KiWi V1)","grid":"IO80qr","loc":"Wessex - KiwiSDR - G8JNJ - South West UK","opt_out":false},"recorder":"kiwirecorder.py (jks-prv/kiwiclient v1.11)","related":["2026-09-18T2218Z-3853.1-wxfax-3855","2026-09-18T2211Z-7878.1-wxfax-7880","2026-09-18T2118Z-3853.1-fax-3855","2026-09-18T2228Z-516.5-navtex-518","2026-09-18T2249Z-5450-volmet-5450","2026-09-18T2226Z-3363.5-squeaky-3363"],"rig_item":"2026-09-18T2238Z-3853.1-wxfax-3855","sha256":"df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e","snr_db":39,"source_dur_s":300.23,"spectrogram":"/spectrogram/df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e.png","station":{"kind":"weather","name":"DWD Pinneberg weather fax","slug":"dwd-fax"},"thumb":"/spectrogram/df6582b5a13f543607f34a6facf80c12968f83cdb90048a5182906de1302123e-thumb.png","tier":"A","url":"/capture/2026-09-18T2238Z-3853.1-wxfax-3855/","utc":"2026-09-18T22:38:48Z"}