NIL HEARDRECEPTION LOG

WWV time signal

tier A · morse

10000 kHz AM · 2026-09-24 10:33:51Z · 10:00 · received at Pine Bush, NY 12566

Spectrogram of WWV time signal, 10000 kHz AM, 2026-09-24 10:33:51Z, 10:00: morse 47% · keyed-tone 30% · carrier 23% · tone 501 Hz · keying 0.95 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.4 MB ⤓ Opus 2346 kB { }
What was heard
morse 47% · keyed-tone 30% · carrier 23% · tone 501 Hz · keying 0.95 Hz depth 0.95 — dominant tone 501 Hz, keyed at 0.95 Hz (depth 0.95). 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 33 dB — thanks to the operator. Receivers
Provenance
sha256 6e0e4745b0380583a80a5d57e1baa7c6fbdf7eabb8561e21284386c79bd143a5
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T1033Z-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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