NIL HEARDRECEPTION LOG

WWV time signal

tier A · morse

10000 kHz AM · 2026-09-23 19:51:36Z · 05:39 · received at Brettnach F57320

Spectrogram of WWV time signal, 10000 kHz AM, 2026-09-23 19:51:36Z, 05:39: morse 100% · tone 20 Hz · keying 10.01 Hz depth 0.92
spectrogram 0–6.0 kHz · analysis blocks: morse
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 6.2 MB ⤓ Opus 1345 kB { }
What was heard
morse 100% · tone 20 Hz · keying 10.01 Hz depth 0.92 — dominant tone 20 Hz, keyed at 10.01 Hz (depth 0.92). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Brettnach F57320 (JN39GG) · vertical · reported SNR 43 dB — thanks to the operator. Receivers
Provenance
sha256 59714e8caf3aaf860d6233c2771cae0be1c8cf7283ecd56eb3ce747f8965e8f4
source 05:39 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T1951Z-10000-wwv-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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