(1) Support standard and accurate positioning algorithms: GPS, GLONASS, QZSS Quasi-Zenith Satellite System, Beidou and SBAS.

　　(2) Supports multiple positioning modes and GNSS real-time and post processing: single point, DGPS/DGNSS, dynamic, static, moving baseline, fixed point, PPP motion, PPP static, and PPP fixed point.

　　(3) Supports multiple standard formats and protocols GNSS: RINEX2.10, 2.11, 2.12 OBS/NAV/GNAV/HNAV, RINEX 3.00 OBS/NAV, RINEX 3.00CLK, RTCMV.2.3, V.3.1 RTCM 1.0, NTRIP, RTCA/DO-229C, NMEA0183, SP3-C, IONEX 1.0, ANTEX 1.3, NGS PCV, and EMS 2.0

　　With the rapid development of satellite positioning technology, the demand for fast and high-precision position information is also becoming increasingly strong. The most widely used high-precision positioning technology currently is RTK (Real Time Kinematic). The key to RTK technology is the use of GPS carrier phase observation, and the use of spatial correlation between observation errors between reference stations and mobile stations. By using differential methods to remove most of the errors in mobile station observation data, high-precision (decimeter or even centimeter level) positioning can be achieved.

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