GPS Clock Software is a freeware utility that runs on any Windows NT/2000/XP/2003 workstation or server. The software polls time from a standard NMEA GPS time receiver connected to the host PC's serial port and optionally allows time to be synchronised on the host PC. The GPS clock utility polls GPRMC messages from a standard NMEA GPS time receiver. Information received from the GPS receiver such as time, date, gps status, satellites is shown.