NIL HEARDRECEPTION LOG

M89 Chinese military morse

tier B · mixed

6839.2 kHz USB · 2026-10-05 12:19:12Z · 10:00 · received at Chiba, Japan

Spectrogram of M89 Chinese military morse, 6839.2 kHz USB, 2026-10-05 12:19:12Z, 10:00: mixed 97% · morse 3% · tone 800 Hz · keying 7.66 Hz depth 0.95
spectrogram 0–6.0 kHz · analysis blocks: morse mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.9 MB ⤓ Opus 2480 kB { }
What was heard
mixed 97% · morse 3% · tone 800 Hz · keying 7.66 Hz depth 0.95 — dominant tone 800 Hz, keyed at 7.66 Hz (depth 0.95). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Chiba, Japan (QM05cq) · EndFed · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 1503a89306935e604dad934cfd8c9426dcbc5510f09beb707da5f6820cfe341f
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1219Z-6839.2-m89-6840
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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