NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

10000 kHz AM · 2026-10-02 09:11:44Z · 08:34 · received at Tellico Plains, TN USA

Spectrogram of WWV time signal, 10000 kHz AM, 2026-10-02 09:11:44Z, 08:34: keyed-tone 96% · data 4% · tone 501 Hz · keying 0.35 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 8.8 MB ⤓ Opus 1979 kB { }
What was heard
keyed-tone 96% · data 4% · tone 501 Hz · keying 0.35 Hz depth 0.94 — dominant tone 501 Hz, keyed at 0.35 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Tellico Plains, TN USA (EM75ul) · end-fed 173' wire @ 50' · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 dbf6f1f0d3f5644edb77bf96dcc33dadf798b25af376f4baa08688633f9ada95
source 08:34 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T0911Z-10000-wwv-10000-na
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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