antenna range

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• Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …   Wikipedia

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

• Antenna tuner — An antenna tuner, transmatch, or antenna tuning unit (ATU) matches a transceiver with a fixed impedance (typically 50 ohms for modern transceivers) to a load (feed line and antenna) impedance which is unknown, complex or otherwise does not match …   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

• antenna — antennal, adj. /an ten euh/, n., pl. antennas for 1, antennae / ten ee/ for 2. 1. a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial. 2. Zool. one of the jointed, movable,… …   Universalium

• Antenna — Contents 1 Science and engineering 1.1 Technology 1.2 Biology …   Wikipedia

• Antenna effective area — In telecommunication, antenna effective area or effective aperture is the functionally equivalent area from which an antenna directed toward the source of the received signal gathers or absorbs the energy of an incident electromagnetic wave. Note …   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

• VHF omnidirectional range — This article is about the radio navigation aid. For other uses, see Vor. D VOR (Doppler VOR) ground station, co located with DME …   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

• 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