NIL HEARDRECEPTION LOG

NAU US Navy Puerto Rico, continuous FSK

tier A · mixed

10151.5 kHz USB · 2026-09-22 10:15:18Z · 10:00 · received at Tellico Plains, TN USA

Spectrogram of NAU US Navy Puerto Rico, continuous FSK, 10151.5 kHz USB, 2026-09-22 10:15:18Z, 10:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 9.9 MB ⤓ Opus 2751 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, Tellico Plains, TN USA (EM75ul) · end-fed 173' wire @ 50' · reported SNR 32 dB — thanks to the operator. Receivers
Provenance
sha256 c2e7c2b3423e4b41896f5fa20607c8769fd45ac928bebfd5050f7cfbfd158ae1
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-22T1015Z-10151.5-fsk-nau-10153
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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