Unknown 451p4500

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"Smart" meter, remote sensor, or ?
Frequencies 450 MHz,470 MHz
Frequency Range 450 MHz - 470 MHz
Mode USB
Location USA
Short Description Intermittent digital, and occasionally morse code, possibly trunked?
I/Q Raw Recording
Audio Sample

Seen @ 451.4500MHz, FCC Reg. to DTE Gas Co. Hart, MI Possibly "smart" gas meters, pressures sensors, valves, pumps, work crews, etc.

Additional Images[edit]

An image I caught of a similar, on 451.125 MHzMegaHertz (MHz) 10^6 Hz. Ywsia1

451.125 spectra.PNG

And some others i captured on 451.0875. They seem to be adding these all over where I am.. And taking away ones that seem to not be in much use. Ywsia1 (yalec)

Utility modem.PNG Utility modem 3.PNG Utility modem 4.PNG