horn-reflector
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Horn Antenna — Infobox nrhp name =Horn Antenna nrhp type = nhl caption = location= Holmdel, New Jersey USA lat degrees = 40 lat minutes = 23 lat seconds = 29.43 lat direction = N long degrees = 74 long minutes = 11 long seconds = 6.91 long direction = W… … Wikipedia
Horn antenna — Pyramidal microwave horn antenna, with a bandwidth of 0.8 to 18 GHz. A coaxial cable feedline attaches to the connector visible at top. This type is called a ridged horn; the curving fins visible inside the mouth of the horn increase the antenna… … Wikipedia
Horn (telecommunications) — In telecommunications, the term horn has the following meanings:* In radio transmission, an open ended waveguide, of increasing cross sectional area, which radiates directly in a desired direction or feeds a reflector that forms a desired beam.… … Wikipedia
Reflector (antenna) — An antenna reflector is a device that reflects electromagnetic waves.It is often a part of an antenna assembly.The most common reflector types are * corner reflector which reflects the incoming signal back to the direction it came from *… … Wikipedia
horn — i. An antenna shaped like a horn. Radar waves are radiated directly into space without benefit of a reflector. A horn is usually designed as an extension of a waveguide whose sides flare from the original waveguide size to a larger aperture size … Aviation dictionary
Feed horn — In satellite dish and antenna design parlance, a feedhorn (or feed horn) is a horn antenna used to convey radio waves between the transceiver (transmitter and/or receiver) and the reflector. The feedhorn also selects the polarity of the waves to… … Wikipedia
High-gain antenna — The high gain antenna (HGA) is an antenna with a focused, narrow radiowave beam width. This narrow beam width allows more precise targeting of the radio signal also known as a directional antenna. Most commonly referred to during space missions,… … Wikipedia
Discovery of cosmic microwave background radiation — Bell Labs Horn Antenna in Crawford Hill, NJ In 1965 while using the Horn Antenna, Penzias and Wilson stumbled on the microwave background radiation that permeates the universe. This article concerns the accidental discovery of cosmic microwave… … Wikipedia
Harald T. Friis — Infobox Scientist name = Harald T. Friis caption = birth date = 1893 birth place = Naestved, Denmark death date = 1976 death place = Palo Alto, California residence = United States nationality = American field = Electrical engineering work… … Wikipedia
Very Small Array — Infobox Telescope bgcolour = name = Very Small Array caption = organization = Cavendish Astrophysics Group, University of Cambridge Jodrell Bank Observatory, University of Manchester Instituto de Astrofisica de Canariascite web |… … Wikipedia
Henry Hall (lighthouse keeper) — Henry Hall (1661 – 1755) was a lighthouse keeper who worked on the Eddystone Lighthouse, some 9 statute miles (14 kilometres) southwest of Rame Head, in the English county of Cornwall.Henry Hall is the oldest known member of the Hall Family of… … Wikipedia
