NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · voice

6617 kHz USB · 2026-10-06 19:56:27Z · 03:32 · received at Jędrzejów

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-10-06 19:56:27Z, 03:32: voice 64% · keyed-tone 18% · mixed 18% · tone 1869 Hz · keying 1.20 Hz depth 0.81
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.0 MB ⤓ Opus 888 kB { }
What was heard
voice 64% · keyed-tone 18% · mixed 18% · tone 1869 Hz · keying 1.20 Hz depth 0.81 — dominant tone 1869 Hz, keyed at 1.2 Hz (depth 0.81). 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 25 dB — thanks to the operator. Receivers
Provenance
sha256 8007eaf880bc69963b611a8702635c0df0649dda54f015cfbcb32435b7204637
source 03:32 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1956Z-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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