NIL HEARDRECEPTION LOG

SVO Olimpia Radio (Greece) CW marker

tier A · data

8423.2 kHz USB · 2026-09-24 21:20:17Z · 10:00 · received at Alvito, Italy 0-30 MHz Frequencies

Spectrogram of SVO Olimpia Radio (Greece) CW marker, 8423.2 kHz USB, 2026-09-24 21:20:17Z, 10:00: data 67% · morse 27% · keyed-tone 7% · tone 899 Hz · keying 0.25 Hz depth 0.84
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.3 MB ⤓ Opus 2697 kB { }
What was heard
data 67% · morse 27% · keyed-tone 7% · tone 899 Hz · keying 0.25 Hz depth 0.84 — dominant tone 899 Hz, keyed at 0.25 Hz (depth 0.84). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Alvito, Italy 0-30 MHz Frequencies (JN61vq) · G5RV Full Size Dir. N/S · reported SNR 38 dB — thanks to the operator. Receivers
Provenance
sha256 1a8edd7d9d21e5d0ea2aed325082b3d3e158718960d0a8915e5d4990a50cfd4a
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-24T2120Z-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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