NIL HEARDRECEPTION LOG

SVO Olimpia Radio (Greece) CW marker

tier A · keyed-tone

8423.2 kHz USB · 2026-10-06 15:10:35Z · 02:21 · received at Męcina, Poland

Spectrogram of SVO Olimpia Radio (Greece) CW marker, 8423.2 kHz USB, 2026-10-06 15:10:35Z, 02:21: keyed-tone 100% · tone 800 Hz · keying 0.35 Hz depth 0.98
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.4 MB ⤓ Opus 650 kB { }
What was heard
keyed-tone 100% · tone 800 Hz · keying 0.35 Hz depth 0.98 — dominant tone 800 Hz, keyed at 0.35 Hz (depth 0.98). 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 28 dB — thanks to the operator. Receivers
Provenance
sha256 7b5a9818d5c46c4803577a3c98bcdd952bfc879d00d17563db868d3d33a1d613
source 02:21 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-06T1510Z-8423.2-cw-svo-8424
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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