NIL HEARDRECEPTION LOG

XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-09-20 00:17:21Z · 10:00 · received at Chiba, Japan

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-09-20 00:17:21Z, 10:00: data 70% · keyed-tone 13% · morse 7% · mixed 7% · carrier 3% · tone 1160 Hz · keying 0.35 Hz depth 0.96
spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.6 MB ⤓ Opus 2516 kB { }
What was heard
data 70% · keyed-tone 13% · morse 7% · mixed 7% · carrier 3% · tone 1160 Hz · keying 0.35 Hz depth 0.96 — dominant tone 1160 Hz, keyed at 0.35 Hz (depth 0.96). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Chiba, Japan (QM05cq) · EndFed · reported SNR 26 dB — thanks to the operator. Receivers
Provenance
sha256 6396432b81af72ea550084a68a1083de90bc39c6faa1e829f6fe2a765bb163dc
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-20T0017Z-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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