NIL HEARDRECEPTION LOG

M23 slow morse, evening slot

tier B · mixed

4879.2 kHz USB · 2026-10-06 18:56:48Z · 03:00 · received at Brettnach F57320

Spectrogram of M23 slow morse, evening slot, 4879.2 kHz USB, 2026-10-06 18:56:48Z, 03:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 3.2 MB ⤓ Opus 769 kB { }
What was heard
mixed 100%. 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 41 dB — thanks to the operator. Receivers
Provenance
sha256 dd5cc1737881ec39e117c41ab4d5e64a0f38a3e2780c6c69e0a92b088216c4f9
source 03:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1856Z-4879.2-m23-4880
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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