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 triggers ground receiver equipment to respond to the…
user14897
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How can I know DME distance?

When I fly 12000ft, how can I know a distance from DME station? Is there any formula to know or measure distance from DEM?
Mun Park
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What is the available range for DME, and why do we need EFC?

How far from the station can a DME signal be picked up, and why do we need EFC?
Mun Park
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