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antenna-pointing loss

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  • Antenna (radio) — Whip antenna on car …   Wikipedia

  • 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

  • Voyager program — This article is about the unmanned space probes of the 1970s. For other uses, see Voyager. The trajectories that enabled Voyager spacecraft to visit the outer planets and achieve velocity to escape our solar system The Voyager program is a U.S… …   Wikipedia

  • Starmad — Infobox Software | name = STARMAD developer = [http://www.star n1.net Star n1 engineering] latest release version = 1.0.0 latest release date = January 1, 2008 operating system = Windows genre = Technical computing license = Proprietary website …   Wikipedia

  • Friis transmission equation — The Friis transmission equation is used in telecommunications engineering, and gives the power received by one antenna under idealized conditions given another antenna some distance away tramitting a known amount of power. The formula was derived …   Wikipedia

  • Viking 1 — Infobox Spacecraft Name = Viking 1 Orbiter Caption = Viking orbiter Organization = NASA Major Contractors = Mission Type = Orbiter Satellite Of = Mars Orbital Insertion Date = June 19 1976 Launch = August 20 1975 Launch Vehicle = Titan… …   Wikipedia

  • Mars Express — CG image of Mars Express Operator ESA Mission type Orbiter + Lander Satellite of …   Wikipedia

  • Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

  • Solar power satellite — A solar power satellite, or SPS or Powersat, as originally proposed would be a satellite built in high Earth orbit that uses microwave power transmission to beam solar power to a very large antenna on Earth. Advantages of placing the solar… …   Wikipedia

  • Solar and Heliospheric Observatory — Infobox Space telescope name = Solar and Heliospheric Observatory (SOHO) caption = organization = ESA / NASA alt names = nssdc id = location = L1 orbit type = height = 1.5×106 km (heliocentric) period = 1 Earth year velocity = accel gravity =… …   Wikipedia

  • Mariner 4 — Operator NASA Mission type Flyby Flyby of Mars …   Wikipedia

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