NIL HEARDRECEPTION LOG

NAU US Navy Puerto Rico, continuous FSK

tier A · mixed

10151.5 kHz USB · 2026-09-21 10:08:50Z · 10:00 · received at White House, Tennesee

Spectrogram of NAU US Navy Puerto Rico, continuous FSK, 10151.5 kHz USB, 2026-09-21 10:08:50Z, 10:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.1 MB ⤓ Opus 2480 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, White House, Tennesee (EM66pl) · 160 meter longwire · reported SNR 31 dB — thanks to the operator. Receivers
Provenance
sha256 1cabfec779770887637b4873476fe39a526477e500c0a8b4a30b94d803f2db4c
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-21T1008Z-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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