Unknown MFSK on 128KHz

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Unknown MFSKMultiple Frequency Shift-Keying on 128KHz
MFSK.PNG
Frequencies 118KHz118,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.118 MHzMegaHertz (MHz) 10^6 Hz
,128KHz128,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.128 MHzMegaHertz (MHz) 10^6 Hz
Frequency Range 118000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).118 kHzKiloHertz (kHz) 10^3 Hz
0.118 MHzMegaHertz (MHz) 10^6 Hz
128000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).128 kHzKiloHertz (kHz) 10^3 Hz
0.128 MHzMegaHertz (MHz) 10^6 Hz
Mode USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables)
Modulation FSKFrequency-Shift Keying
Bandwidth 16KHz16,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
0.016 MHzMegaHertz (MHz) 10^6 Hz
16 kHzKiloHertz (kHz) 10^3 Hz
0.016 MHzMegaHertz (MHz) 10^6 Hz
16 kHzKiloHertz (kHz) 10^3 Hz
0.016 MHzMegaHertz (MHz) 10^6 Hz
Location Northeast Alabama
Short Description A very strong MFSKMultiple Frequency Shift-Keying-like signal
I/Q Raw Recording Download file
Audio Sample

The strength of this signal is unusual, given my difficulty in pulling in any frequency this low with my current setup, so it may be something within my house or the neighborhood. It has been transmitting endlessly for several hours this evening.