NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

5000 kHz AM · 2026-09-24 04:48:05Z · 09:11 · received at Pine Bush, NY 12566

Spectrogram of WWV time signal, 5000 kHz AM, 2026-09-24 04:48:05Z, 09:11: keyed-tone 79% · carrier 21% · tone 501 Hz · keying 0.55 Hz depth 0.97
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.6 MB ⤓ Opus 2112 kB { }
What was heard
keyed-tone 79% · carrier 21% · tone 501 Hz · keying 0.55 Hz depth 0.97 — dominant tone 501 Hz, keyed at 0.55 Hz (depth 0.97). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Pine Bush, NY 12566 (FN21up) · 250 ft Doublet, Elevation 100 ft · reported SNR 36 dB — thanks to the operator. Receivers
Provenance
sha256 e010aa60f8cc7884bdffeb1712367bebb9b6f52252d9c99d2ebdb459661b2345
source 09:11 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T0448Z-5000-wwv-5000
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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