WWV HamSCI test signal (minute 8)

tier A · morse

10000 kHz AM · 2026-09-23 15:06:32Z · 03:00 · received at Carleton Place ,Ontario, Canada

Spectrogram of WWV HamSCI test signal (minute 8), 10000 kHz AM, 2026-09-23 15:06:32Z, 03:00: morse 56% · carrier 44% · tone 120 Hz · keying 0.35 Hz depth 0.71 — spectrogram 0–6.0 kHz · analysis blocks: morse carrier

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.4 MB ⤓ Opus 694 kB { }

What was heard

morse 56% · carrier 44% · tone 120 Hz · keying 0.35 Hz depth 0.71 — dominant tone 120 Hz, keyed at 0.35 Hz (depth 0.71). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Carleton Place ,Ontario, Canada (FN15wd) · Dipole -(40m) · reported SNR 27 dB — thanks to the operator. Receivers

Provenance

sha256 0763fc66edf060ef603e713ee3d053d041d2a716b694bd33f6d2835d7513cd99
source 03:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1506Z-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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