Signabroam Shortwave Wiki

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About the Slot Machine (XSL)

Name:	Slot Machine ENIGMA ID: XSL Signabroam ID: MD01
Frequencies	4152.5, 4231, 4290.5, 6249.5, 6416.5, 6444.5, 8312.5, 8587.5, 8703
Status	Active
Voice	N/A
Mode	QPSK
Location	Ichihara, Japan
Description	"Slot Machine" is a common nickname for a one-way communication system of the Japanese Maritime Self-Defense Force in Ichihara. Emits 24/7 on a number of frequencies. The modulation utilized is QPSK, at the speed of 1500 bd. Mostly commonly heard is its idling sequence, made out of several repetitive bit patterns - but occasional traffic is passed.
Media	Waterfall image of the Slot Machine (XSL): Audio sample of the Slot Machine (XSL): Audio sample of the Slot Machine (XSL) in Traffic:
Additional Link	More informations can be found at Sigidwiki.com