NIL HEARDRECEPTION LOG

XPB1 polytone ladder, 05:40 step

tier B · mixed

15851 kHz USB · 2026-09-25 05:37:35Z · 05:00 · received at Brettnach F57320

Spectrogram of XPB1 polytone ladder, 05:40 step, 15851 kHz USB, 2026-09-25 05:37:35Z, 05:00: mixed 100%
spectrogram 0–6.0 kHz · analysis blocks: mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 5.0 MB ⤓ Opus 1385 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, Brettnach F57320 (JN39GG) · vertical · reported SNR 40 dB — thanks to the operator. Receivers
Provenance
sha256 2a88bf5f50d58efdb85f1d547e0e4eaf552633b275184fd7ecbf2c0cadec9895
source 05:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-25T0537Z-15851-xpb1-0540
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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