Unknown 464.75 MHz

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Unknown 464.75 MHzMegaHertz (MHz) 10^6 Hz
464.75 MHz transmission waterfall.PNG
Frequencies 460 MHzMegaHertz (MHz) 10^6 Hz460,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
460,000 kHzKiloHertz (kHz) 10^3 Hz
,465 MHzMegaHertz (MHz) 10^6 Hz465,000,000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).
465,000 kHzKiloHertz (kHz) 10^3 Hz
Frequency Range 460000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).460,000 kHzKiloHertz (kHz) 10^3 Hz
460 MHzMegaHertz (MHz) 10^6 Hz
465000000 HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz).465,000 kHzKiloHertz (kHz) 10^3 Hz
465 MHzMegaHertz (MHz) 10^6 Hz
Mode FMFrequency Modulation
Modulation QAMQuadrature Amplitude Modulation
Bandwidth 10000 hz10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
10 kHzKiloHertz (kHz) 10^3 Hz
0.01 MHzMegaHertz (MHz) 10^6 Hz
Location Grand Rapids, MI
Short Description

Common signal found throughout Michigan. Can have various rhythms. Did find out on KB9KUD that this type used for updating transmitter data...

Edit: this signal disappeared as of the end of October. Another one is still in use around the area, but with twice the rhythm speed, and on a different frequency. 461.8125.
I/Q Raw Recording Download file
Audio Sample

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Decoding Software[edit]