NIL HEARDRECEPTION LOG

WWVH time signal

tier A · keyed-tone

15000 kHz AM · 2026-10-02 05:46:14Z · 03:32 · received at Assen | Netherlands

Spectrogram of WWVH time signal, 15000 kHz AM, 2026-10-02 05:46:14Z, 03:32: keyed-tone 100% · tone 6 Hz · keying 1.00 Hz depth 0.99
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.7 MB ⤓ Opus 837 kB { }
What was heard
keyed-tone 100% · tone 6 Hz · keying 1.00 Hz depth 0.99 — dominant tone 6 Hz, keyed at 1.0 Hz (depth 0.99). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Assen | Netherlands (JO32fx) · Active Loop antenna PAHGOR (serial nr: 001) built by ► PA0EBC ◀ 👍 · reported SNR 38 dB — thanks to the operator. Receivers
Provenance
sha256 10b125ccfdd22d7476a4f20b6cae6bc725a03ccefc3aea5e950c81b5093e3f54
source 03:32 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T0546Z-15000-wwvh-15000
Heard in the record
Reception Conditions Were Poor — “Dead Air Bureau”
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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