I have no idea what is going on. Everything was flying great and then I updated the firmware to 3.2 and now I keep getting DCM Bad Heading. This unit only flew 3 times before I put 3.2 on it and it was working perfectly with 3.1. IT does not matter what mode I have the unit in I get this message. The unit keeps flying but very rough then poof it passes and it flies normal again.
Here is the video file of what it says in mission planner as it flies.
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I lost the heading just during 1 or 2 seconds but it can be dangerous. I will try to change the location and the type of mounting.
This is happen to me too.