Buy Real Flight Simulator 4 so you can learn how to fly an RC airplane without smashing it up the first time out. Good tool!
http://www.realflight.com/free-g4-demo.html
Just click on the graphic to find this item. You won't regret it. Could protect your RC aircraft investment with the training you'll get using this simulator.
My link above, deals with GPS of different types and models.
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