"These guys from BC, Canada did it, long before the RCexplorer guy. They may have been the first, even. But here is their website, they seem to have documented their adventures quite well.
Greetings everyone,I've compiled some resources regarding rules that govern high altitude balloon flights as well UAV systems for amateurs in Canada. Based on my own experience, I would advise close communication with Transport Canada (the…
"I've used an iPhone 4 (with a cracked screen) in order to track the movement of the balloon and recover the payload once it lands. There seems to be a shut-off feature that might be caused by extreme cold. I knew this was the case because I lost…"