Questions tagged [dme]

DME (Distance Measuring Equipment) is, as the name suggests, a system for measuring the slant distance between a suitably-equipped aircraft and a ground-based transponder station; DME stations are often colocated with VOR or ILS installations.

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How does an airborne DME unit differentiate itself?

The FAA's IFR handbook glosses over a keypoint: The aircraft DME transmits interrogating radio frequency (RF) pulses, which are received by the DME antenna at the ground facility. The signal ...