NIL HEARDRECEPTION LOG

Rostov VOLMET (Russian) night

tier A · data

6617 kHz USB · 2026-09-25 23:53:35Z · 05:00 · received at Jędrzejów

Spectrogram of Rostov VOLMET (Russian) night, 6617 kHz USB, 2026-09-25 23:53:35Z, 05:00: data 80% · voice 20% · keying 1.85 Hz depth 0.83
spectrogram 0–6.0 kHz · analysis blocks: voice data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.4 MB ⤓ Opus 2134 kB { }
What was heard
data 80% · voice 20% · keying 1.85 Hz depth 0.83, keyed at 1.85 Hz (depth 0.83). 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 28 dB — thanks to the operator. Receivers
Provenance
sha256 de24de623b5905e25a7305ee52c528727dfcbb7e8e545ac6fc424401717ecd0f
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T2353Z-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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