SinoGNSS G100/G200 User Guide
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Appendix A Frequently Used Command
1. G100/G200 COM Port
COM1 – Serial port(RS232); COM3 – Bluetooth
2. NMEA Data
For NMEA Data output, input like below, take gga message as example:
log <port> gpgga ontime <frequency>
Frequency description: 1 (1 HZ); 2 (1 output every 2 seconds); 0.2 (5 HZ).
GPGGA-- This message is a standard NMEA log, but a little different from the
standard one in position precision. The position precision of this log is the same as
GPGGARTK, in order to be used in greater conditions. The header of GPGGA is
always “GP” regardless if other GNSS information involved in solution computation.
GPGSV-- This is a standard NMEA message which includes PRN numbers, elevation,
azimuth, and SNR values of satellites in view. Messages of GPS or BD2 satellites all
use header “GP” or “BD”.
GPGSA-- This message contains available satellites used in solution computation
and DOP values.
GPRMC-- This is a standard NMEA message which includes time, date, speed and
true heading.
GPVTG-- This is a standard NMEA message which includes make good and ground
speed.
GPGST-- This message is a standard NMEA log. Pay attention to that rms, smjrstd,
smnrstd and orient values are absent in the message currently.
3. SBAS Mode Command
sbascontrol enable msas // take MSAS as an example
rtkobsmode 3 // Set the observation mode of rover receiver
saveconfig // Save configuration
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