NIL HEARDRECEPTION LOG

XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-09-26 05:10:54Z · 06:22 · received at Matsukawa, Fukushima JAPAN

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-09-26 05:10:54Z, 06:22: data 95% · morse 5% · tone 1181 Hz · keying 0.47 Hz depth 0.94
spectrogram 0–6.0 kHz · analysis blocks: morse data
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 6.8 MB ⤓ Opus 1592 kB { }
What was heard
data 95% · morse 5% · tone 1181 Hz · keying 0.47 Hz depth 0.94 — dominant tone 1181 Hz, keyed at 0.47 Hz (depth 0.94). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Matsukawa, Fukushima JAPAN (QM07FQ) · G5RV · reported SNR 28 dB — thanks to the operator. Receivers
Provenance
sha256 1f53b65ebe6aa639e8f022d2ca3abe5c577fd1f0b413fffc590d05ba007ecfcc
source 06:22 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-26T0510Z-6250-xsl-6250
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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