NIL HEARDRECEPTION LOG

WWV time signal, 20 MHz (day)

tier A · keyed-tone

20000 kHz AM · 2026-10-02 14:08:26Z · 10:00 · received at Eganville, Canada

Spectrogram of WWV time signal, 20 MHz (day), 20000 kHz AM, 2026-10-02 14:08:26Z, 10:00: keyed-tone 77% · carrier 23% · tone 551 Hz · keying 0.20 Hz depth 0.99
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 8.6 MB ⤓ Opus 2531 kB { }
What was heard
keyed-tone 77% · carrier 23% · tone 551 Hz · keying 0.20 Hz depth 0.99 — dominant tone 551 Hz, keyed at 0.2 Hz (depth 0.99). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Eganville, Canada (FN15jl) · CHA EMCOMM III Base Antenna · reported SNR 30 dB — thanks to the operator. Receivers
Provenance
sha256 1212aed94c414478a3f6744c6d74a5b05ba59b6d7c5844a2e7451cbf8f00cb81
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T1408Z-20000-wwv-20000
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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