I woke up at 4:10 to go fly up in the mountain at sunrise this morning, but I had quite a technical challenge getting the inspire to launch. The app reported a compass error, and insisted that I calibrate before takeoff. I tried calibrating the compass at least 10 times with no success. I realized that the rocks in the mountain I was trying to take off from are rich in metals (I have a degree in geology). I got a green ok to fly light when I powered up the Inspire while holding it up over my head, but as soon as I set it on the ground the compass went back to error again. So I held the inspire over my head with one hand and armed the motors with the remote using my other hand. As I removed my hand, the Inspires motors speed up and it hovered as I dropped my arm. So I had to hand launch the inspire in order to fly this morning. I did a second flight from the same place the same way. Here is the video from the Big Horn Mountains of Wyoming that I shot this morning after the hand launch.