Has anyone experimented with a ArduCopter that can chase / track a signal transmitted from a moving object (car, person, etc)?  I'm trying to build one that would be capable of 40mph chase and quickly react to movements of the object transmitting…

Has anyone heard of or tested the following?A drone that responds and adapts its flight path in accordance with a sensor attached to a moving person, vehicle or object that is nearby (say within 10 feet).  In essence a drone that is capable of…