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gjenstander > equipment (en) > measuring instruments (en) > altimeters (en) > radar altimeters (en)

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radar altimeters (en)  

Definition

  • Information A radar altimeter (RA), radio altimeter (RALT), electronic altimeter, or reflection altimeter measures altitude above the terrain presently beneath an aircraft or spacecraft by timing how long it takes a beam of radio waves to travel to ground, reflect, and return to the craft.

    Source: https://en.wikipedia.org/wiki/Radar_altimeter

    Created: 8/31/20

     (en)

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http://aims.fao.org/aos/agrovoc/c_27657add

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RDF/XML TURTLE JSON-LD Created 9/4/19, last modified 12/27/24