NIL HEARDRECEPTION LOG

M12 morse

tier B · mixed

13367 kHz CW · 2026-09-25 19:18:22Z · 05:00 · received at Brettnach F57320

Spectrogram of M12 morse, 13367 kHz CW, 2026-09-25 19:18:22Z, 05:00: mixed 87% · voice 13% · keying 0.43 Hz depth 0.71
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.7 MB ⤓ Opus 1499 kB { }
What was heard
mixed 87% · voice 13% · keying 0.43 Hz depth 0.71, keyed at 0.43 Hz (depth 0.71). 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 e0dcc3cd2ea5acdb05c401bde756237ccae925d83f1f005502a995fcf9e19ccc
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T1918Z-13367-m12-wedfri-1900
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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