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sweep-frequency beacon

См. также в других словарях:

  • Mariner 1 — Launch of Mariner 1 Mariner 1 was the first spacecraft of the American Mariner program. Launched on July 22, 1962 as a Venus flyby mission, a range safety officer ordered its destructive abort at 09:26:16 UT, 294.5 seconds after launch.[1]… …   Wikipedia

  • AZUSA — refers to a ground based radar tracking system installed at Cape Canaveral, Florida and the NASA Kennedy Space Center. AZUSA dated back to the early 1950s and was named after the southern California town (Azusa, California) where the system was… …   Wikipedia

  • Real-time locating — Articleissues confusing=July 2008 refimprove=May 2008 essay=May 2008: This page specifically concerns operational aspects of RTLS. For methodology issues see locating engine. For technology issues see wireless. According to ISO/IEC JTC1 SC31 and… …   Wikipedia

  • performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium

  • Racon — A Racon is a type of radar transponder commonly used to mark maritime navigational hazards. The word is an acronym for RAdar beaCON.When a racon receives a radar pulse, it responds with a signal on the same frequency which leaves an image on the… …   Wikipedia

  • Search and Rescue Transponder — Shipboard Global Maritime Distress Safety System (GMDSS) installations include one or more search and rescue locating devices. These devices may be either a radar SART (Search and Rescue Transponder), or (from 1.january 2010) an AIS SART… …   Wikipedia

  • United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …   Universalium

  • Signals intelligence — SIGINT redirects here. For the UNIX signal, see SIGINT (POSIX). RAF Menwith Hill, a large site in the United Kingdom, part of ECHELON and the UK USA Security Agreement. Signals intelligence (often contracted to SIGINT) is intelligence gathering… …   Wikipedia

  • Transponder (aviation) — Transponder Cessna ARC RT 359A transponder (beige box), beneath Bendix/King KY197 VHF communication radio. In this example, the transponder code selected is 1200 for VFR flight. The green IDENT button is marked ID . A transponder (short for… …   Wikipedia

  • lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… …   Universalium

  • MISTRAM — Missile Trajectory Measurement System. MISTRAM (MISsile TRAjectory Measurement) was a high resolution tracking system used by the United States Air Force (and later NASA) to provide highly detailed trajectory analysis of rocket launches. A… …   Wikipedia

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