NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · voice

6617 kHz USB · 2026-10-05 17:52:51Z · 04:31 · received at Męcina, Poland

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-10-05 17:52:51Z, 04:31: voice 71% · mixed 21% · carrier 7% · tone 899 Hz · keying 2.00 Hz depth 0.79
spectrogram 0–6.0 kHz · analysis blocks: voice carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.1 MB ⤓ Opus 1174 kB { }
What was heard
voice 71% · mixed 21% · carrier 7% · tone 899 Hz · keying 2.00 Hz depth 0.79 — dominant tone 899 Hz, keyed at 2.0 Hz (depth 0.79). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Męcina, Poland (KN09gp) · EFHW 80m · reported SNR 31 dB — thanks to the operator. Receivers
Provenance
sha256 0223c96751523a7d5679df232ef97849824b8896bda916cafcfc343fe1eac663
source 04:31 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1752Z-6617-volmet-6617-rostov
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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