NIL HEARDRECEPTION LOG

XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-10-03 05:15:04Z · 02:41 · received at Chiba, Japan

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-10-03 05:15:04Z, 02:41: data 44% · morse 33% · mixed 22% · tone 1160 Hz · keying 10.71 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: morse data mixed
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 2.9 MB ⤓ Opus 676 kB { }
What was heard
data 44% · morse 33% · mixed 22% · tone 1160 Hz · keying 10.71 Hz depth 0.93 — dominant tone 1160 Hz, keyed at 10.71 Hz (depth 0.93). 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 23 dB — thanks to the operator. Receivers
Provenance
sha256 565b189077483f35d46a310949d1866e6c897b547bc061c4fb18110db01ecdcd
source 02:41 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-03T0515Z-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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