Monday, September 03, 2012

New BoP Radio System - Atwater?

I recently saw a note on Radio Reference about a new UHF federal trunked radio system being heard on the air in central California. Listeners have stated that this is most likely the US Penitentiary Atwater. It is is located on a portion of what was Castle Air Force Base, approximately 130 miles from San Francisco.

Previously the Atwater facility was using a Motorola Type II trunked radio system:

System ID: 6a37
Base: 408.3500 / 412.4750 
Step: 12.5 / 12.5 
Offset: 380 / 612 
408.3750, 411.1750, 412.4750, 413.6750, 414.3000

The new radio system is now a pure P-25 digital system:

System ID: 4C7    
408.3250,  409.0125,  409.2125

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