NIL HEARDRECEPTION LOG

Unnamed Russian marker channel 6806 kHz

tier B · keyed-tone

6805.2 kHz USB · 2026-10-02 12:42:40Z · 10:00 · received at Haparanda, Sweden

Spectrogram of Unnamed Russian marker channel 6806 kHz, 6805.2 kHz USB, 2026-10-02 12:42:40Z, 10:00: keyed-tone 100% · tone 1796 Hz · keying 0.65 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.3 MB ⤓ Opus 2511 kB { }
What was heard
keyed-tone 100% · tone 1796 Hz · keying 0.65 Hz depth 0.98 — dominant tone 1796 Hz, keyed at 0.65 Hz (depth 0.98). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Haparanda, Sweden (KP25ax) · Active whip above 3 MHz, antenna switching below 3 MHz · reported SNR 29 dB — thanks to the operator. Receivers
Provenance
sha256 60f62ee7f7e69d7c5702529ebb27b1a85ef23a07e30aea65d65b0a0b0fa109b5
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T1242Z-6805.2-marker-6806
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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