I am having an issue getting the copter to arm. On the ground control station it is telling me that the compass is not calibrated. I have posted before on the copter 4 thread but feal this is a better place for the discussion Compass Not Calibrated
Original Param Files
2019-10-26 13-54-06.log.param (15.6 KB)
After Upgrade to Version 4
2019-10-28 09-28-11.log.param (19.2 KB)
Update
Had a new CAM Here 2 GPS which I changed the switch to use Serial GPS and I2C and mounted on the copter and calibrated. The Copter now arms and is flying.