Have you ever wondered what happened at your last crash, what did you do wrong? or how does that super pro RC helicopter pilot do them cool maneuvers?
There is a Danish guy working on a solution for that, he has create the ability for you to record a transmitter signal and save the signal on to some mobile sound device of your choice. Then he has developed software to display the transmitter movement in a video format. That way can see the precise movement on the transmitter. An RC Black box
Check out this video, where you can see his software.
He se not ready for a release yet but I will keep you updated. or you can look here