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airborne communications relay station

См. также в других словарях:

  • Airborne radio relay — is a technique employing aircraft fitted with radio relay stations for the purpose of increasing the range, flexibility, or physical security of communications systems. [ [http://www.its.bldrdoc.gov/fs 1037/dir 002/ 0220.htm Definition: airborne… …   Wikipedia

  • Radio relay — Radio stations that cannot communicate directly due to distance, terrain or other difficulties sometimes use an intermediate radio relay station to relay the signals. Examples include airborne radio relay, microwave radio relay, and… …   Wikipedia

  • Numbers station — Fictional example of a numbers station. Numbers stations (or number stations) are shortwave radio stations of uncertain origin. In the 1950s, Time magazine reported that the numbers stations first appeared shortly after World War II and were… …   Wikipedia

  • EC-121 Warning Star — infobox Aircraft name = EC 121 Warning Star type = Airborne early warning aircraft manufacturer =Lockheed caption =WC 121N variant of VW 4 Hurricane Hunters designer = first flight = introduced = 1955 retired = 1982 (USAF) primary user = United… …   Wikipedia

  • Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… …   Wikipedia

  • Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …   Wikipedia

  • Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… …   Wikipedia

  • List of United States Navy aircraft squadrons — This is a list of United States Navy aircraft squadrons. Deactivated or disestablished squadrons are listed in the List of Inactive United States Navy aircraft squadrons. Navy aircraft squadrons are typically composed of several aircraft (from as …   Wikipedia

  • Brevity code — Contents 1 American/NATO codes 1.1 A 1.2 B 1.3 C …   Wikipedia

  • NASA Pathfinder — Helios Prototype Helios Prototype in flight Role Remote controlled UAV Manufacturer …   Wikipedia

  • Telecommunications link — Uplink redirects here. For other uses, see Uplink (disambiguation). A telecommunications link is generally one of several types of information transmission paths such as those provided by communication satellites to connect two points on earth.… …   Wikipedia

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