NIL HEARDRECEPTION LOG

SVJ4 Athens radiofax

tier A · mixed

4479.1 kHz USB · 2026-09-22 00:49:58Z · 05:03 · received at Sedlcany, Czech Republic

Spectrogram of SVJ4 Athens radiofax, 4479.1 kHz USB, 2026-09-22 00:49:58Z, 05:03: mixed 88% · data 12%
spectrogram 0–6.0 kHz · analysis blocks: data mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 4.8 MB ⤓ Opus 1827 kB { }
What was heard
mixed 88% · data 12%. Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Sedlcany, Czech Republic (JN79GO) · LW 40m · reported SNR 39 dB — thanks to the operator. Receivers
Provenance
sha256 3f6e20fae0f73638590c1574096e52772daf173bc7a8408334080732ab5eba41
source 05:03 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T0049Z-4479.1-wxfax-svj4-4481
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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