NMEA protocol. $GPZDA, $ZQZDA or $GPRMC protocol sentences are explored as time source. The program can be used as NMEA and COM port tester. It outputs a port receiving buffer, extracts all NMEA sentences and counts check sum errors. Default protocol version is NMEA 0183. If you want to use this program you need a GPS (Global Positioning System) unit connecting to PC`s COM port. The product is free for users of BrigSoft products Atomic Clock Service

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Toolkit to add GPS functionality to software (GPS SDK). All NMEA0183 protocol versions are supported, all NMEA 0183 can be filtered by NMEA type and talker ID. Garmin USB Information on GPS status can also be retrieved: GPS fix quality, Satellites used in fix, DGPS beacon ID, Satellites in view, Satellite azimuth, elevation and singnal strengths. Support for map grid and datum tranformation is included. Comes with various programming examples.

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NMEA-0183 protocol v. 2.0, 2.1, 2.3 or 3.0. The program can be configured for getting certain NMEA protocol messages in a certain sequence with a certain frequency. The output NMEA protocol can be written to a file or transmitted via COM port. This software can be used with a hardware null-modem (COM port - rs232) cable or a virtual serial port software. Any program or equipment working with the NMEA protocol will recognize transmitted messages,

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Writes raw NMEA data from a GPS receiver directly to a file on a memory card. (Category: Business::Calculators & Converters)

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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.

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