Ken. I appreciate the time and effort you have made to assist me. I have no idea if you are right or not but it is as logical an explanation as any of the others. You may very well be right and there are may other location from which I can enjoy this phantom I certainly won't be flying back at that park.Your location did not look very ideal for helping your compass. I attached a few pics of things in your video I encounter issues when flying near.View attachment 25969 View attachment 25968 View attachment 25967 View attachment 25966
If you notice the P# loses it when it comes LOS with the building that seems to have Sats and other trans.rec equipment on it