372532 GPS NAVIGATOR AC220V

Satellite-based radio navigation system to provide a global, all-weather, continuous 24 hour service for position fixing with high accuracy. The satellite system is available to an unlimited number of users when it is fully operational. It is composed of 24 GPS satellites, each transmitting their own orbital data. The GPS navigator receives the orbital data from three or more GPS satellites to calculate a two or three dimension position, speed, and time.