WWV time signal

tier A · carrier

10000 kHz AM · 2026-10-05 16:07:57Z · 04:21 · received at Montmorillon 86500 FRANCE

Spectrogram of WWV time signal, 10000 kHz AM, 2026-10-05 16:07:57Z, 04:21: carrier 50% · keyed-tone 43% · morse 7% · tone 26 Hz · keying 0.40 Hz depth 0.91 — spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.6 MB ⤓ Opus 1019 kB { }

What was heard

carrier 50% · keyed-tone 43% · morse 7% · tone 26 Hz · keying 0.40 Hz depth 0.91 — dominant tone 26 Hz, keyed at 0.4 Hz (depth 0.91). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Montmorillon 86500 FRANCE (JN06kj) · Antenna Shared Apex SAL 30 array solution · reported SNR 38 dB — thanks to the operator. Receivers

Provenance

sha256 eb50651724f1778d61de3fe015fad118e28dd9acef1c2bf3e304dd7a33d85daf
source 04:21 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1607Z-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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