First off, thank you very much for your hard work on this system. It is quite brilliant and looks to be the exact solution I have been looking for.
I am currently working on developing a quadcopter and a fixed wing UAV, both operating with the Pixhawk, but have a requirement of being able to stream video through the 4g network and the mission planner telemetry.
I have a lot to learn still to implement your solution but it seems quite perfect!
A few questions...
Have you completely removed the Tx/Rx solution from the pixhawk? I see you use a gaming controller to control the servo's on your plane. How did you implement that through the PC to act as the tx as well?
How reliable has this system been for you? And, are the pixhawk failsafes still in play that if this system goes down for some reason it will still execture a RTL or whatever is programmed as the failsafe within the mission planner?
Thank you and I am sure I will have tons more questions as I explore this solution!