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TERCOM - Wikipedia

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Terrain contour matching, or TERCOM, is a navigation system used primarily by cruise missiles. It uses a contour map of the terrain that is compared with measurements made during flight by an on-board radar altimeter. A TERCOM system considerably increases the accuracy of a missile compared with inertial navigation systems (INS). The increased accuracy allows a TERCOM-equipped missile to fly closer to obstacles and at generally lower altitudes, making it harder to detect by ground radar.[citation needed] The Goodyear Aircraft Corporation ATRAN (Automatic Terrain Recognition And Navigation) system for the MGM-13 Mace was the earliest known TERCOM system. In August 1952, Air Materiel Command initiated the mating of the Goodyear ATRAN with the MGM-1 Matador. This mating resulted in a production contract in June 1954. ATRAN was difficult to jam and was not range-limited by line-of sight, but its range was restricted by the availability of radar maps. In time, it became possible to construc

TERCOM - Wikipedia Jump to content From Wikipedia, the free encyclopedia Missile navigation system This article needs more citations . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . Find sources: "TERCOM" – news · newspapers · books · scholar · JSTOR ( April 2020 ) ( Learn how and when to remove this message ) Terrain contour matching , or TERCOM , is a navigation system used primarily by cruise missiles . It uses a contour map of the terrain that is compared with measurements made during flight by an on-board radar

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