Kraus antenna

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• Antenna gain — is defined as the ratio of the radiation intensity of an antenna in a given direction, to the intensity of the same antenna as it radiates in all directions (isotropically). Since the radiation intensity of an isotropically radiated power is… …   Wikipedia

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• John D. Kraus — Born June 28, 1910(1910 06 28) Ann Arbor, Michigan Died July 18, 2004(2004 07 18) (aged 94) …   Wikipedia

• Rubber Ducky antenna — on a transceiver The Rubber Ducky antenna (or Rubber Duck aerial) is an electrically short monopole antenna which functions somewhat like a base loaded whip antenna and is sealed in a rubber or plastic jacket to protect the antenna.[1]… …   Wikipedia

• Rhombic antenna — signal gathering action compared to other end fire, backfire and traveling wave types. A rhombic antenna is a broadband directional antenna co invented by Edmond Bruce and Harald Friis,[1] mostly commonly used in HF (high frequency, also called… …   Wikipedia

• Helical antenna — Helical antennas can operate in one of two principal modes: normal (broadside) mode or axial (or endfire) mode.In the normal mode , the dimensions of the helix are small compared with the wavelength. The far field radiation pattern is similar to… …   Wikipedia

• Victor H. Rumsey — Dr. Victor H. Rumsey (November 22, ? ) is an electrical engineer, best known for his studies of frequency independent antennas.Rumsey was born in Devizes, Wiltshire, England, on Saint Cecilia s day, and received his BA in mathematics (1941) and… …   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

• List of Benson episodes — This is a list of episodes in the ABC television series Benson. At present, the first season has been released on DVD by Sony Pictures.[1] Contents 1 Series overview 2 Episodes 2.1 …   Wikipedia

• SETI — Search for Extra Terrestrial Intelligence (SETI) is the collective name for a number of activities to detect intelligent extraterrestrial life. The general approach of SETI projects is to survey the sky to detect the existence of transmissions… …   Wikipedia

• Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia