An unmanned plane in lieu of cellular transmitters
to the article:
http://www.nrg.co.il/online/35/ART/971/176.html »
In areas where there are no towers or where the towers have been damaged it would be useful but it looks like an expensive and risky alternative. When theses things run out of gas or are hit by lightning they are going to come down on somebody and that is a big bucks liability.
unmanned, reliability, and airplanes are not terms I would associate together. 😲