Hi, I have a problem with the sonar altitude hold. I am running AC2.0.20 with default pids and the quad is in stable mode and is rock steady, when I engage alt hold at about 10 ft it holds really well within 6-12 inches. I turn off alt hold, do a bit
Hi, I'm just about ready for my first test flight of my arducopter (custom frame with the APM & IMU no GPS or magnetometer) just waiting for some decent weather, so I have been testing my set up in the configurator everything seems to be ok but when
