About midday. I just test my arducopter code 2.0.46 update in Loiter mode. It have best. But, Something move circle (CCW) from center about 3-5 m. And I don't all tuning (default PI). Bad weather because It have very cloud and high headwind. GPS, It can signal high to Sat#9,But if good weather it can show signal sat#10-12.
Possible, I should some tuning PI??? Help me please....... Thank you