copter taking weird routes to gps coord

Cant seem to figure this one out. Today it resultes in contact with the side of a house and more than a few broken parts. Problem is you set a gps coord or a route, sometimes it flys to it as you set it. Via the line drawn between points. Every once in a while (also why I, m here) it will try to fly this huge arc to the point instead of straight to it. This time we had the speed up and I was able to take back control in time. Last timw it did this we were luck and it went thw other direction over a field and then to the point with no harm done. Is there a setting or something causing it to do this? Anyone else had this happen?Troy

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  • T3
    Whenever you have issues you should always post your logs so someone can review. You might be having electrical interface with your compass. Below is a video that Randy did to show how to test.

    Compass Test

    You'll likely be able to perform a test like this one (https://www.youtube.com/watch?v=es0ADszvOEQ) in which I rev up the motors and check the effect on the compass heading as displayed in the HUD.

    Also, waypoints use GPS and they are not spot on. You can have up 3m in error on a point.
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