XSL "Japanese Slot Machine"

tier B · data

6250 kHz USB · 2026-09-19 19:21:50Z · 10:00 · received at Dae_Gu City, South Korea

Spectrogram of XSL "Japanese Slot Machine", 6250 kHz USB, 2026-09-19 19:21:50Z, 10:00: data 70% · keyed-tone 10% · carrier 7% · morse 7% · mixed 7% · tone 1154 Hz · keying 0.20 Hz depth 0.93 — spectrogram 0–6.0 kHz · analysis blocks: keyed-tone morse data carrier mixed

loop [ ] · speed in the player bar · deep link #t=seconds ⤓ FLAC 10.8 MB ⤓ Opus 2489 kB { }

What was heard

data 70% · keyed-tone 10% · carrier 7% · morse 7% · mixed 7% · tone 1154 Hz · keying 0.20 Hz depth 0.93 — dominant tone 1154 Hz, keyed at 0.2 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 (PM45HV01) · 2m Collinear Antenna | 6m: 6-ele Yagi + 5/8 GP Antennas | HF: 85m Loop Antenna, 150m from ground · reported SNR 33 dB — thanks to the operator. Receivers

Provenance

sha256 160d97336ac3e9985c9fdc141a09352aef7f2c6aa2dc1f604fff124db8f40dee
source 10:00 WAV, 11999 Hz mono
kiwirecorder.py (jks-prv/kiwiclient v1.11) · rig item 2026-09-19T1921Z-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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