NIL HEARDRECEPTION LOG

WWV HamSCI test signal (minute 8)

tier A · keyed-tone

10000 kHz AM · 2026-10-06 04:06:01Z · 01:00 · received at Pine Bush, NY 12566

Spectrogram of WWV HamSCI test signal (minute 8), 10000 kHz AM, 2026-10-06 04:06:01Z, 01:00: keyed-tone 100% · tone 501 Hz · keying 0.30 Hz depth 0.83
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 1.0 MB ⤓ Opus 244 kB { }
What was heard
keyed-tone 100% · tone 501 Hz · keying 0.30 Hz depth 0.83 — dominant tone 501 Hz, keyed at 0.3 Hz (depth 0.83). 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 35 dB — thanks to the operator. Receivers
Provenance
sha256 70d921dd9c97545f5ad6dee584302147246c6a0e2dc83b03ea08e11f2c24adbe
source 01:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T0406Z-10000-wwv-hamsci-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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