I'm a new phantom owner, and I have a question about compass calibration. I've been reading and watching tutorial videos to learn as much as I can about my new phantom. In the course of doing this, I've seen two different methods of calibrating the compass. In the first, the phantom is held out in front of the phantom owner with the arms extended and then the body of the person is turned in place. It looks like this: https://www.youtube.com/watch?v=WkFo9OHOTk4 In the second method, the phantom owner will turn the phantom in the hands in a much smaller circle. It looks like this (at 10:48) https://www.youtube.com/watch?v=kCT1rRE_UIg Is one method the proper method? Is there anything wrong with using one method or the other?