Unidentified MFSK on 7739 (7740) kHz

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Unidentified MFSK on 7739 (7740) kHz
Mfsk short transmission.png
Frequencies 7.739 MHz
Frequency Range 7.739 MHz - 7.739 MHz
Mode USB
Modulation MFSK
ACF
Bandwidth 3 kHz
Location Worldwide
Short Description Unknown MFSK signal that was transmitted in short bursts.
I/Q Raw Recording
Audio Sample

This MFSKMultiple Frequency Shift-Keying signal was transmitted in short bursts. It resembles VARA but transmission was outside of any ham radio band.


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Frequencies[edit]

USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) tuned to 7739 kHzKiloHertz (kHz) 10^3 Hz, center frequency about 7740 kHzKiloHertz (kHz) 10^3 Hz.

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