NIL HEARDRECEPTION LOG

WWV time signal

tier A · morse

10000 kHz AM · 2026-10-06 12:16:09Z · 10:00 · received at PRADIERS DEP 15 JN15LG, FRANCE

Spectrogram of WWV time signal, 10000 kHz AM, 2026-10-06 12:16:09Z, 10:00: morse 53% · keyed-tone 37% · noise 10% · tone 3972 Hz · keying 10.01 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse noise
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 11.2 MB ⤓ Opus 2262 kB { }
What was heard
morse 53% · keyed-tone 37% · noise 10% · tone 3972 Hz · keying 10.01 Hz depth 0.93 — dominant tone 3972 Hz, keyed at 10.01 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, PRADIERS DEP 15 JN15LG, FRANCE (JN15lg) · KELEMEN 80/40/20/15/10 · reported SNR 29 dB — thanks to the operator. Receivers
Provenance
sha256 119c13d867f41f054d30101bef0c7aee2e543b7dbcf93f3b27a7820a91ec9145
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1216Z-10000-wwv-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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