center-fed antenna

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

• Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …   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

• 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

• 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

• Discone antenna — Mounted discone antenna designed for VHF and UHF coverage …   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

• 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

• Dual-band blade antenna — Contents 1 Introduction 2 Theory 2.1 Monopoles 2.1.1 Blade Antennas 2.2 Slot Antennas …   Wikipedia

• folded dipole antenna — An antenna composed of two parallel, closely spaced dipole antennae connected at their ends, with one fed at its center. The folded dipole antenna is the same size, and has the same radiation pattern, as an ordinary dipole antenna, but the feed… …   Aviation dictionary

• dipole antenna — i. An antenna system composed of two, separated, electrically equal elements. ii. Radiators, usually fed in the center, that produce a maximum of radiation in the plane normal to its axis. The length required for efficient radiation is a function …   Aviation dictionary