Maestro Wireless Solutions
            Knowledge Base Maestro Wireless Solutions GPS Modules

            A5100-A Outputting in GNRMC instead of GPRMC.

            A5100-A Outputting in GNRMC instead of GPRMC.


            Scenario: Module(s) are outputting in GNRMC and should be GPRMC

            To be able to get the multiple constellation, you should switch the A5100 in OSP mode, by sending command:
            A0 A2 00 0E DE 10 00 00 00 00 00 23 00 00 00 00 00 00 01 11 B0 B3 which means GPS+GLONASS

            Then switch back to NMEA with command:
            A0 A2 00 18 81 00 01 01 01 01 01 01 05 01 01 01 01 01 00 01 00 01 00 01
            01 01 C2 00 01 58 B0 B3


            Now, in NMEA you can turn OFF all protocols except the RMC with:

            GGA 0ff:
            $PSRF103,00,00,00,01*24

            GLL 0ff:
            $PSRF103,01,00,00,01*25

            GSA 0ff:
            $PSRF103,02,00,00,01*26

            GSV 0ff:
            $PSRF103,03,00,00,01*27

            VTG 0ff:
            $PSRF103,05,00,00,01*21

            ZDA 0ff:
            $PSRF103,08,00,00,01*2C

            All these steps can be done by using the SirfLive software.

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