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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. The GPS clock utility can also update the system time of the host PC with GPS time. Note however, time synchronisation can only be acheived to the nearest second. Standard NMEA GPS devices do not have a pulse per second output that can be utilised by the serial port of a PC. Therefore, the microsecond accuracy that is available from TimeTools GPS T1000 and T2000 GPS timing receivers is not available with this software.
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