Distance Measuring Equipment

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Term Distance Measuring Equipment
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Mandatory for


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Abbreviation

  • DME

Definition

Ultra High Frequency (UHF) ground equipment that is used in conjunction with airborne equipment to determine distance between the airborne and ground equipment.

Definition Source

  • AIFDD

Note

DME Distance is defined as the line of sight distance (slant range) from the source of a DME signal to the receiving antenna. DME operates on the interrogation-answer principle where the time required for the round trip of the signal exchange is measured in the airborne DME unit and translated into DME Distance.