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Mission Planner has a built-in utility for acquiring and sending RTK corrections. However, this method does not work reliably with newer GPS units. As a result this manual will cover a method of using QGroundControl to preform a survey-in of a location or set a pre-surveyed location. Then QGC will then be closed and mission planner Mission Planner will be used to pass the corrections through to the vehicle.
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Launch Mission Planner
Select “Setup” from the top menu bar
Go to the “Optional Hardware” section on the left column
Select “RTK/GPS Inject”
Select the COM port for the Base RTk GPS unit from the drop down menu
Select a baud rate of 115200
Check the “Inject MSG Type” and the
Send GGA?” checkboxsLeave the “M8P/F9P autoconfig” checkbox un-checked
Click “Connect”
The red boxes for Base, GPS, Glonass, Beidou, and Galileo should start to turn green
If the “Base” box and one other bx are green then corrections are valid and ready for transmission to the aircraft
Return to the “Data” screen
Connect to the vehicle using a telemetry or data radio modem
Verify the vehicle has an RTK Float or RTK Fix for the status of a GPS unit (as shown in the image below)
