NIL HEARDRECEPTION LOG

NAVTEX

tier A · mixed

488.5 kHz USB · 2026-10-02 09:48:39Z · 10:00 · received at PRADIERS DEP 15 JN15LG, FRANCE

Spectrogram of NAVTEX, 488.5 kHz USB, 2026-10-02 09:48:39Z, 10:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.8 MB ⤓ Opus 2494 kB { }
What was heard
mixed 100%. Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, PRADIERS DEP 15 JN15LG, FRANCE (JN15lg) · KELEMEN 80/40/20/15/10 · reported SNR 31 dB — thanks to the operator. Receivers
Provenance
sha256 67eac1d127c9f903a6ff8bcea181a71228cbae5c71ec737b4ae457df5197e90d
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-02T0948Z-488.5-navtex-490
Heard in the record
Reception Conditions Were Poor — “Silent Key”
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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