NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · voice

6617 kHz USB · 2026-10-04 18:54:03Z · 04:42 · received at Męcina, Poland

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-10-04 18:54:03Z, 04:42: voice 60% · carrier 20% · mixed 13% · data 7% · tone 2001 Hz · keying 1.45 Hz depth 0.86
spectrogram 0–6.0 kHz · analysis blocks: voice data carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.9 MB ⤓ Opus 1201 kB { }
What was heard
voice 60% · carrier 20% · mixed 13% · data 7% · tone 2001 Hz · keying 1.45 Hz depth 0.86 — dominant tone 2001 Hz, keyed at 1.45 Hz (depth 0.86). 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 34 dB — thanks to the operator. Receivers
Provenance
sha256 2e19a87a925e37199d10631fa42f3c362d2a0dff390eb8946cdb970e904f5312
source 04:42 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-04T1854Z-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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