NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

10000 kHz AM · 2026-09-26 12:02:28Z · 02:00 · received at PRADIERS DEP 15 JN15LG, FRANCE

Spectrogram of WWV time signal, 10000 kHz AM, 2026-09-26 12:02:28Z, 02:00: keyed-tone 83% · carrier 17% · tone 3972 Hz · keying 0.20 Hz depth 0.75
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.2 MB ⤓ Opus 458 kB { }
What was heard
keyed-tone 83% · carrier 17% · tone 3972 Hz · keying 0.20 Hz depth 0.75 — dominant tone 3972 Hz, keyed at 0.2 Hz (depth 0.75). 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 30 dB — thanks to the operator. Receivers
Provenance
sha256 b7444dbf5f55239df03db1521ff91e4b036581b17cd71c49a0ecffbdd7f6ae18
source 02:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T1202Z-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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