NIL HEARDRECEPTION LOG

WWV HamSCI test signal (minute 8)

tier A · morse

10000 kHz AM · 2026-09-20 22:07:12Z · 02:29 · received at villers aux bois france

Spectrogram of WWV HamSCI test signal (minute 8), 10000 kHz AM, 2026-09-20 22:07:12Z, 02:29: noise 38% · morse 38% · keyed-tone 12% · carrier 12% · tone 6 Hz · keying 8.63 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier noise
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.6 MB ⤓ Opus 585 kB { }
What was heard
noise 38% · morse 38% · keyed-tone 12% · carrier 12% · tone 6 Hz · keying 8.63 Hz depth 0.98 — dominant tone 6 Hz, keyed at 8.63 Hz (depth 0.98). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, villers aux bois france (JN18xw) · LW 20 LONG FIL MULTIBANDE 0 à 30 mhz · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 7a2969de11b6ac3279a27205a1e68198f52c1abaefdd52fca269e428048a179f
source 02:29 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T2207Z-10000-wwv-hamsci-10000
Heard in the record
— linked once the record exists.
Licence
CC BY 4.0 — credit NIL HEARD / Reception Log. The recording is ours; the transmission is somebody else's. Descriptions describe sound, never content — why.
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