NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

10000 kHz AM · 2026-09-23 22:59:56Z · 04:17 · received at Eganville, Canada

Spectrogram of WWV time signal, 10000 kHz AM, 2026-09-23 22:59:56Z, 04:17: keyed-tone 92% · carrier 8% · tone 439 Hz · keying 0.62 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.0 MB ⤓ Opus 1042 kB { }
What was heard
keyed-tone 92% · carrier 8% · tone 439 Hz · keying 0.62 Hz depth 0.98 — dominant tone 439 Hz, keyed at 0.62 Hz (depth 0.98). 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 31 dB — thanks to the operator. Receivers
Provenance
sha256 4839bfe17ebbcbe46ad21580922f2d31b9367d820c28bf905cfa19b033dfec32
source 04:17 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T2259Z-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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