>
>Actually, on a serious note, I have often thought about incorporating a GPS
>into a RC plane and programming it for a specific flight plan, including
>takeoff and landing, maintaining specific speeds and such... but the one
>thing I never investigated is if you can use a GPS to get the current
>altitude ?

Yes, but the altitude is not very precise. I've seen boats at 1000' above, and 600' below sea level, on the same ocean.

You're better off to use barometric or some other means.

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