all-board antenna

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• Omnidirectional antenna — The radiation pattern of a simple omnidirectional antenna, a vertical half wave dipole antenna. In this graph the antenna is at the center of the donut . Radial distance from the center represents the power radiated in that direction. The power… …   Wikipedia

• Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

• Whip antenna — on car A whip antenna is an antenna consisting of a single straight flexible wire or rod, often mounted above some type of conducting surface called a ground plane.[1] The bottom end of the whip is connected to the radio receiver or transmitter.… …   Wikipedia

• Patch antenna — A patch antenna is a popular antenna type, which gains its name from the fact that it basically consists of a metal patch suspended over a ground plane. The assembly is usually contained in a plastic radome, which protects the structure from… …   Wikipedia

• American board games, 1843–1935 — Game of the District Messenger Boy (1886) was one of the first board games based on materialism and capitalism published in the United States. American board games published between 1843 and 1935 were principally of two distinct thematic types:… …   Wikipedia

• pole — Synonyms and related words: China, Darkest Africa, God knows where, Greenland, Maypole, N pole, North Pole, Outer Mongolia, Pago Pago, Pillars of Hercules, S pole, Siberia, South Pole, Thule, Tierra del Fuego, Timbuktu, Ultima Thule, Yukon, acme …   Moby Thesaurus

• Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

• Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …   Wikipedia

• 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

• WSTB — Infobox Radio Station name = WSTB area = Streetsboro, Ohio branding = The AlterNation slogan = Rock With The Nation! airdate = March 23, 1972 frequency = 88.9 (MHz) format = Alternative rock erp = 680 watts class = A owner = Streetsboro City… …   Wikipedia

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