NIL HEARDRECEPTION LOG

NAU US Navy Puerto Rico, continuous FSK

tier A · mixed

10151.5 kHz USB · 2026-09-20 14:29:45Z · 10:00 · received at Widewater, VA

Spectrogram of NAU US Navy Puerto Rico, continuous FSK, 10151.5 kHz USB, 2026-09-20 14:29:45Z, 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 2473 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, Widewater, VA (FM18hk) · End fed sloper with a 9:1 custom un-un or OCF Dipole · reported SNR 22 dB — thanks to the operator. Receivers
Provenance
sha256 e21531fbfdb1d61e09873edd0094d6a8e386ce316add8af11e72183486a0911c
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T1429Z-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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