A friend of mine is considering using a quadcopter in locations where ground level is 13,000' (4000m). Does anyone have any experience flying at that altitude?
I've recently been playing with a Naza-M. There's a little board out that allows you to use MinimOSD and/or a pair of 3DR modems with the Naza called FBOSD. Here's a link to Jay's website: http://firebug24k.com/index.php.
I'm new to the group and quadcopters, not new to R/C and have decent computer ability. Just a quick background. I've flown R/C for many more years than I'd care to admit. Planes, heli's, gas, electric, some gliders. Built most of my stuff but the