NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · voice

6617 kHz USB · 2026-09-20 22:23:18Z · 05:01 · received at Męcina, Poland

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-09-20 22:23:18Z, 05:01: voice 67% · mixed 27% · carrier 7% · tone 899 Hz · keying 1.83 Hz depth 0.90
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 1331 kB { }
What was heard
voice 67% · mixed 27% · carrier 7% · tone 899 Hz · keying 1.83 Hz depth 0.90 — dominant tone 899 Hz, keyed at 1.83 Hz (depth 0.9). 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 29 dB — thanks to the operator. Receivers
Provenance
sha256 fab8a75c67f87029ab784435a26921461c8c7d818a6712b9a5155fcd7effd26c
source 05:01 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T2223Z-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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