NIL HEARDRECEPTION LOG

XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-10-05 23:15:36Z · 10:00 · received at Dae_Gu City, South Korea

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-10-05 23:15:36Z, 10:00: data 90% · morse 7% · carrier 3% · tone 1125 Hz · keying 1.40 Hz depth 0.93
spectrogram 0–6.0 kHz · analysis blocks: morse data carrier
loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.8 MB ⤓ Opus 2485 kB { }
What was heard
data 90% · morse 7% · carrier 3% · tone 1125 Hz · keying 1.40 Hz depth 0.93 — dominant tone 1125 Hz, keyed at 1.4 Hz (depth 0.93). Machine description of the sound by the rig's classifier; it sorts, it does not certify a station.
Receiver
KiwiSDR, Dae_Gu City, South Korea (PM45HV02) · HF 85M Loop Antenna and 6M Band 6 Ele Yagi & 5/8 GP Antenna · reported SNR 33 dB — thanks to the operator. Receivers
Provenance
sha256 9b166f8d8358e2d5678f38ff2995c120202101bca45a31500e2c211510acb852
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-10-05T2315Z-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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