NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · voice

6617 kHz USB · 2026-09-23 02:25:34Z · 05:00 · received at Jędrzejów

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-09-23 02:25:34Z, 05:00: voice 93% · mixed 7% · keying 1.80 Hz depth 0.85
spectrogram 0–6.0 kHz · analysis blocks: voice mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.1 MB ⤓ Opus 1302 kB { }
What was heard
voice 93% · mixed 7% · keying 1.80 Hz depth 0.85, keyed at 1.8 Hz (depth 0.85). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Jędrzejów (KO00) · Delta SP7LA · reported SNR 27 dB — thanks to the operator. Receivers
Provenance
sha256 8beb8bf5ae3340f8644f023279ab29e9183ccd8aeb782837f453410ea46c2a00
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-23T0225Z-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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