York County PA Public Safety
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Welcome to the York County Public Safety collaboration article, a Trunked Radio System located in York County, Pennsylvania.
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The York County, Pennsylvania Department of Emergency Services are in the final build-out stages of a new, state-of-the-art, radio communications network. The system is an M/A-Com P25ip 500mhz digital trunked radio system, and is anticipated to see end user loading in 2008.
The new system will allow public safety users throughout the county to communicate with one another seamlessly while they carry out their respective daily missions, as well as during periods of extreme emergency and disaster. Currently, public safety professionals in the county operate with a patchwork of obsolete and unreliable radio systems in many different bands. Implementation of the new system will bring all users together onto a sturdy, trustworthy network that will serve York County deep into the 21st Century.
York's system will employ a series twenty-two tower sites encompassing four simulcast zones and a single-site zone to provide reliable portable radio coverage in all reaches of the county. Portable and mobile radio units are equipped with the ProRoam feature, allowing the radio to transition between the five coverage zones with no input from the user, ensuring that the radio will be registered with the tower site providing the best possible signal to that radio.
While some tower sites are situated on existing towers or structures, a handful of new towers have been erected. Also, new hardened, climate-controlled shelter buildings have been built to house the system's electronics. The simulcast timing is controlled by redundant GPS clocks located at each simulcast site. A microwave backbone will connect system sites to one another and to the control stations at the newly constructed 911 center and the back-up facility.