NIL HEARDRECEPTION LOG

SVO Olimpia Radio (Greece) CW marker

tier A · keyed-tone

8423.2 kHz USB · 2026-10-05 14:46:44Z · 07:57 · received at Mehrnbach, Upper Austria, Austria

Spectrogram of SVO Olimpia Radio (Greece) CW marker, 8423.2 kHz USB, 2026-10-05 14:46:44Z, 07:57: keyed-tone 58% · mixed 33% · voice 8% · tone 800 Hz · keying 0.32 Hz depth 0.99
spectrogram 0–6.0 kHz · analysis blocks: voice keyed-tone mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 6.3 MB ⤓ Opus 2361 kB { }
What was heard
keyed-tone 58% · mixed 33% · voice 8% · tone 800 Hz · keying 0.32 Hz depth 0.99 — dominant tone 800 Hz, keyed at 0.32 Hz (depth 0.99). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Mehrnbach, Upper Austria, Austria (JN68RE) · usually rotary dipole, while being qrv mla-30 active loop · reported SNR 26 dB — thanks to the operator. Receivers
Provenance
sha256 9c6162f3ff7d1ab45946301cac4af9cb44f53f354fa48259649113f809a0e305
source 07:57 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T1446Z-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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