NIL HEARDRECEPTION LOG

WWV time signal

tier A · keyed-tone

10000 kHz AM · 2026-09-23 11:41:31Z · 10:00 · received at Pine Bush, NY 12566

Spectrogram of WWV time signal, 10000 kHz AM, 2026-09-23 11:41:31Z, 10:00: keyed-tone 80% · carrier 20% · tone 501 Hz · keying 1.00 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.6 MB ⤓ Opus 2394 kB { }
What was heard
keyed-tone 80% · carrier 20% · tone 501 Hz · keying 1.00 Hz depth 0.95 — dominant tone 501 Hz, keyed at 1.0 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 29 dB — thanks to the operator. Receivers
Provenance
sha256 200941a8184812e549e2aee4676928a1774958b6973d1c792147170db496e527
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1141Z-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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