Tucson police have just made a big upgrade on their radios.
Officers switched their radios over to the new Pima County Wireless Integrated Network, called "PCWIN," on Wednesday morning.
Pima County deputies switched last month.
The digital system is more than a decade in the making, proposed by Pima County Sheriff Clarence Dupnik, as well as chief executives of 24 other police and fire agencies.
The digital radio system lets 33 fire and law enforcement agencies, eight hospitals and 20 non-public safety departments throughout Pima County talk to each other on a single radio system.
In the attached audio recording, a Tucson Police Department dispatcher makes the
last call reference the old system, before transitioning into our the PCWIN
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