HM01 Cuba hybrid voice + RDFT

tier B · noise

11635 kHz AM · 2026-09-18 21:05:48Z · 05:00 · received at Shrewsbury, Vermont, USA

Spectrogram of HM01 Cuba hybrid voice + RDFT, 11635 kHz AM, 2026-09-18 21:05:48Z, 05:00: noise 100% — spectrogram 0–6.0 kHz · analysis blocks: noise

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.6 MB ⤓ Opus 1141 kB { }

What was heard

noise 100%. Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.

Receiver

KiwiSDR, Shrewsbury, Vermont, USA (FN33om) · 82m (270ft) center fed doublet @ 20m (65ft) MF through HF · reported SNR 22 dB — thanks to the operator. Receivers

Provenance

sha256 34d1595539065518ff6405d0639b205484e8243240c03d491a9a1c6504015339
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-18T2105Z-11635-hm01-11635

Heard in the record

— linked once the record exists.

Notes

rig: priyom HM01 grid Fri 21:00Z 11635 kHz https://priyom.org/number-stations/digital/hm01/schedule; station marked Hibernated on priyom — probe only

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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