Unknown 464.75 MHz

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Unknown 464.75 MHz
464.75 MHz transmission waterfall.PNG
Frequencies 460 MHz,940 MHz
Frequency Range 460 MHz - 940 MHz
Mode FM
Modulation QAM
ACF
Bandwidth 10 kHz
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...
I/Q Raw Recording Download file
Audio Sample

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

  1. 2: this signal has its license renewed as of today, Jan 28. Signal is actually twice as strong and affects the entire noise floor on the part of that spectra.

Samples[edit]

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Decoding Software[edit]