I've read about how DGPS systems basically work and, as far as my research has come, it seems that it is not impossible to be reproduced.I thought about having a fixed GPS in a location I know  where it is (let's suppose I know it by clicking on the…

I am thinking of a project in which I would have to use an hexacopter to "watch" other moving things. It would have a camera attached to it's bottom. Somehow, it would have to be "locked" above the moving parts to film it and pass the image to the…