I've just assembled my rover with the Pixhawk kit which included the GPS and PPM encoder. The GPS is mounted 5+ inches above the top of the rover. Inside the rover is a Dimension Engineering 60 amp motor controller and 2 17AH batteries.
After runnng the Mission Planner Wizard, I am unable to manually steer the rover and the altitude displayed on the HUD is a negative value (-1000 ft.). I'am at ~1000 ft.The GPS test indicates correct readings.
Also from the Flight Data Status box, both channels 3 & 4 input are registering from my Spektrum RC and channel 3 output is also registering... but no channel 4 output... i.e. I can go forward and backwards but no steering.
If I run the Wizard as an Arduplane, the altitude, throttle & steering work fine.
So I gather the Rover software is buggy.
Am I alone here.