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  • Antenna diversity — Antenna diversity, also known as space diversity, is one in a superset of wireless diversity schemes that utilizes two or more antennas to improve the quality and reliability of a wireless link. Often, especially in urban and indoor environments …   Wikipedia

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

  • Antenna farm — The dish farm at the Raisting Satellite Earth Station complex and Telehouse, Germany s largest satellite communications facility in Raisting, Bavaria, Germany. Antenna farm or satellite dish farm or just dish farm are terms used to describe an… …   Wikipedia

  • Antenna height considerations — The Aspects for Antenna heights considerations are depending upon the wave range and economical reasons.Longwave/Low frequency antennasAt VLF, LF and MF the radio mast or tower is often used directly as an antenna. Its height determines the… …   Wikipedia

  • HRS antenna — HRS type antennas are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). Contents 1 History of HRS design 2 Nomenclature 3 A versatile antenna type …   Wikipedia

  • Beverage antenna — The Beverage Antenna is a relatively inexpensive but very effective long wire receiving antenna used by amateur radio, shortwave listening, and longwave radio DXers and military applications. Harold H. Beverage experimented with receiving… …   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

  • 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

  • Folded unipole antenna — The folded unipole antenna was first devised for broadcast use by the late John H. Mullaney, an American radio broadcast pioneer, and consulting engineer. Designed to solve some difficult problems with existing medium wave (MW) amplitude… …   Wikipedia

  • World Trade Center site — Aerial view of the World Trade Center site, September 23, 2001. The World Trade Center site (ZIP code: 10048), also known as Ground Zero after the September 11 attacks, sits on 16 acres (65,000 m2) in Lower Manhattan in New York City.[1] …   Wikipedia

  • Deal Test Site — The Deal Test Site (now Joe Palaia Park) is located in Ocean Township, New Jersey. The Joe Palaia Park was originally started as the Foxburst Farm, a 63 acre (250,000 m2) tract which is now the southern portion of the park. It was purchased by… …   Wikipedia

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