searchlight-control radar

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• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Würzburg radar — Infobox Radar name = Giant Würzburg radar country = Germany introdate = 1941 number = around 1500 range = up to 70 km (44 mi) diameter = 7.5 m (24 ft 7 in) azimuth = 0 360º elevation = 0 90º precision = ­±15 m (49 ft 2½ in)The Würzburg… …   Wikipedia

• warning system — ▪ military technology Introduction       in military science, any method used to detect the situation or intention of an enemy so that warning can be given.       Because military tactics from time immemorial have stressed the value of surprise… …   Universalium

• Josef Kammhuber — Infobox Military Person name= Josef Kammhuber born= birth date|1896|8|19|df=y died= death date and age|1986|1|25|1896|8|19|df=y placeofbirth= Tüßling, Bavaria placeofdeath= placeofburial= caption= General Josef Kammhuber nickname=… …   Wikipedia

• Joint Electronics Type Designation System — The Joint Electronics Type Designation System (JETDS), which was previously known as the Joint Army Navy Nomenclature System (AN System) and the Joint Communications Electronics Nomenclature System, is a method developed by the U.S. War… …   Wikipedia

• Anti-submarine warfare — (ASW or in older form A/S) is a branch of naval warfare that uses surface warships, aircraft, space craft or other submarines to find, track and then damage or destroy enemy submarines. Like many forms of warfare, successful anti submarine… …   Wikipedia

• Ivan A. Getting — Ivan Alexander Getting (January 18, 1912 mdash;October 11, 2003) was an American Physicist and Electrical Engineer, credited (along with Bradford Parkinson) with the development of the Global Positioning System (GPS). Leader, with Louis Ridenour …   Wikipedia

• Joint Electronics Type Designation System — Объединенная система обозначения типов электроники (англ. Joint Electronics Type Designation System, JETDS, ранее также известная как Joint Army Navy Nomenclature System, AN System; Joint Communications Electronics Nomenclature System)  …   Википедия

• Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

• No. 247 Squadron RAF — Active 20 August 1918 22 January 1919 1 August 1940 3 December 1957 1 July 1960 31 December 1963 Country …   Wikipedia

• Battle of the Atlantic (1939–1945) — Infobox Military Conflict conflict = Battle of the Atlantic partof = World War II caption = Officers on the bridge of an escorting British destroyer keep a sharp look out for enemy submarines, October 1941 date = September 3 1939 May 7 1945 place …   Wikipedia