NIL HEARDRECEPTION LOG

M12 morse

tier B · mixed

13367 kHz CW · 2026-10-02 19:19:02Z · 05:00 · received at Hamburg, Drage, 🇩🇪 Germany 🇩🇪

Spectrogram of M12 morse, 13367 kHz CW, 2026-10-02 19:19:02Z, 05:00: mixed 87% · voice 13% · keying 1.80 Hz depth 0.80
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.2 MB ⤓ Opus 1510 kB { }
What was heard
mixed 87% · voice 13% · keying 1.80 Hz depth 0.80, keyed at 1.8 Hz (depth 0.8). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Hamburg, Drage, 🇩🇪 Germany 🇩🇪 (JO53dk) · VLF broadband vertical V1.2 08/26 · reported SNR 42 dB — thanks to the operator. Receivers
Provenance
sha256 a2dfaae94e11c3c2971875973b4080f0e69cdfb1c485b6055838704f87568048
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T1919Z-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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