[Phantom 4 Pro]
A client wants to create an ortho mosaic under a very large covered area - approx 500' x 100' (assume altitude 30' AGL). Assume no GPS. How do I create the ortho without the aid of GPS (other than hand-flying and estimating image overlap)? Is this a job for a Ground Control...
I am looking to find affordable option for group control point kits. For those that are using GCPs on your aerial maps, what are you using? Most of my projects will be in cell range, so if I can take advantage of that signal, and save money, I would love to know my options.
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