NIL HEARDRECEPTION LOG

NAU US Navy Puerto Rico, continuous FSK

tier A · mixed

10151.5 kHz USB · 2026-10-03 19:29:28Z · 06:30 · received at Laurel Springs, North Carolina, USA

Spectrogram of NAU US Navy Puerto Rico, continuous FSK, 10151.5 kHz USB, 2026-10-03 19:29:28Z, 06:30: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 7.1 MB ⤓ Opus 1606 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, Laurel Springs, North Carolina, USA (EM96) · 80m-10m EFHW (AM BCB Filter Installed) · reported SNR 18 dB — thanks to the operator. Receivers
Provenance
sha256 3307aab957024918129ac76899498919bd8e0e91bc46fd591fa9a0df69fb6f51
source 06:30 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T1929Z-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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