DT-ATLS

Automatic takeoff and landing system composed of component parts, namely, ground control terminals comprised of a track subsystem that includes at least one of the following, tracking antenna, interrogator providing coded transmissions to the aircraft, receivers able to receive aircraft coded transmissions, a processor for determining the aircraft position, and a differential GPS base station with one or more GPS receivers, antennas, and associated processors; Automatic takeoff and landing system composed of component parts, namely, airborne data terminals comprised of an airborne processing unit and subsystem that includes at least one of the following, antennas, transponders and processors, and a differential GPS airborne receiver and airborne processing unit that provide guidance for manned or unmanned landing guidance