5 miles, I can understand. Visual range, small arms range, and about the extent of controlled airspace around airports making drone operations practically illegal without a bunch of advance notice and permission.
50 miles is a tad excessive no? And if these "advarsaries" (a convenient phrase that can be twisted to mean anyone) are such a threat why stop there? Why not a state wide action? Or a federal law?
Thanks, that's.....interesting. He doesn't seem like the type to find and try obscure apps for fun