San Antonio VIA Metro Transit P25 AVL/CAD Operation

AVL/CAD "MCC Data Channels"

FCC Callsign:WPMP592

852.2375/807.2375 MCC-1 4503 Medical Site /29.5074650 -98.5775500 851.8500/806.8500 MCC-2 4503 Medical Site /29.5074650 -98.5775500

FCC Callsign:

852.4000/807.4000 MCC-3 2000 Amanda Site /29.3816360 -98.4350450 852.1000/807.1000 MCC-4 2000 Amanda Site /29.3816360 -98.4350450

The Transmaster works like this; 
Bus is on the MCC/DATA 
If Voice is activated By Driver or Dispatch
Driver Type of Request PTT/PRTT/EMER
The AVL Activated the Voice Radio
The Driver Hears Beeps For call on AVL/CAD
Pickup PayPhone Style Head Set with it PTT
Switch / When Conversation Times out after set time with No Voice it Goes Back to Data CH

"Bus Emergency covert features"
Destination sign will State 
EMERGENCY CALL POLICE
and Bus will activate 2 microphones 
So Dispatcher can hear voices in bus
The AVL Can also disable the Bus

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