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Ground Wave Emergency Net

См. также в других словарях:

  • Ground Wave Emergency Network — The Ground Wave Emergency Network (GWEN) was a command and control communications system intended for use by the United States government to facilitate military communications during a nuclear war. The network was implemented as an array of… …   Wikipedia

  • Emergency management — Accident preparedness redirects here. For Safety related articles, see Safety. Disaster preparedness redirects here. For other articles related to disaster preparedness, see Category:Disaster preparedness. Emergency management is the generic name …   Wikipedia

  • WGU-20 — WGU 20, also known as the last radio station, was a radio station operated by the Defense Civil Preparedness Agency (predecesor of the Federal Emergency Management Agency) in the mid to late 1970s. Operating 24 hours a day on a longwave frequency …   Wikipedia

  • Colony Collapse Disorder — (or CCD) is a phenomenon in which worker bees from a beehive or Western honey bee colony abruptly disappear. While such disappearances have occurred throughout the history of apiculture, the term Colony Collapse Disorder was first applied to a… …   Wikipedia

  • Hurricane Katrina — Infobox Hurricane Name=Hurricane Katrina Type=hurricane Year=2005 Basin=Atl Image location=Hurricane Katrina August 28 2005 NASA.jpg Formed=August 23, 2005 Dissipated=August 30, 2005 1 min winds=150 Pressure=902 Da Inflated=1 Damagespost=… …   Wikipedia

  • Near Vertical Incidence Skywave — An NVIS antenna configuration is a horizontally polarized radiating element. Near Vertical Incidence Skywave, or NVIS, is a radio wave propagation method that provides usable signals in the range between groundwave and skywave distances (usually… …   Wikipedia

  • Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …   Wikipedia

  • United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

  • France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …   Universalium

  • Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

  • china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …   Universalium

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