"Great stuff. Any plans for iOS or Android versions?"

"Any idea what video-out formats are available?"

"How do you think it would hold up if the RPi camera had an attached lens on it that was bigger/heavier?"

"Awesome. What kind of latency are you seeing on the video?"

"@Yakrobat very impressive vision. If i am doing my math correctly and assuming you could read the lettering from about 100ft, that balloon was in your visible range for .2 seconds. "

"Thanks Jack! Let me know when you want to test from down under."

"That certainly beats 60 miles!!"

"Thanks Bernt. We have gone thru a bunch of modems, they all are frustrating for different reasons. Right now we are testing with a Sierra Wireless 4G LTE modem and a Pantech UML290. It is all very carrier specific and the existing device drivers are…"

"Apologize for the lack of detail. We described the system a bit more in an earlier blog post

http://diydrones.com/profiles/blogs/hd-fpv-over-cellular-w-proxy-se..."

"Correct, you don't have to worry about firewalls or IP addresses"

"Sorry Richard, was traveling. Yes it is Ubuntu, but it shouldn't matter really.  As for the modems, ATT uses NAT (ie. the IP assigned to the modem is private), VZW doesn't (ie. the IP is public). They are all different.  "

"Richard, just a simple Linux setup"

"Richard, the relay server is basically a proxy server with a public IP address. The hexacopter connects to the proxy server over the cellular network. The pilot app (APM planner) connects to the proxy server over a wired broadband connection all…"

"Bojan, roughly 220MB during a 15 minute flight which is the US equates to about $0.45 per flight. Outside the US will obviously be more expensive"

"Agreed that would make it simpler but we have seen so many issues with the Pi crashing that it is kind of helpful to have the Pixhawk in the mix as well. Saved us many times"