Will Fly: The drones were stopped by the military using specialist equipment - Israeli in origin, I do believe - which uses radar to take control of the drone and probably track the origin of the controlling signal. They don't need a controlling signal. We use a number of freeware applications that allow a user to pre-load a flight plan into a UAV. Once it takes off, it then becomes "fire and forget" and will execute its mission entirely autonomously. Battery life is the main issue. You can easily modify on-board electronics to that the mission could be uploaded via mobile phone from hundreds of miles away.
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