T-antenna
A T antenna is an Antenna radio antenna whereby a vertical or sloping wire is connected to the approximate ... Antenna, R.J.Edwards G4FGQ tech stub ..
Antenna
wiktionarypar antennaAntenna plural antennae biology or antennas radio may refer to Science and engineering Antenna radio , the component designed to send and receive radio waves Antenna biology , the sensing ..
Image antenna
In telecommunication , an image antenna is a theoretical mirror image of an antenna radio antenna , an antenna element considered to extend below the ground plane as the actual antenna is above the ground ..
Turnstile antenna
Image SatelliteAntenna 137MHz.jpg thumb right A turnstile antenna for Low Earth Orbit LEO weather satellites . A turnstile antenna is a set of two dipole antenna s aligned at right angles to each other ..
Periscope antenna
tooshort date January 2008 Refimprove date March 2008 In telecommunication , a periscope antenna is an antenna electronics antenna configuration in which the transmitting antenna is oriented to produce ..
Directional antenna
Image LPDA large.jpg thumb right Log periodic dipole array A directional antenna or beam antenna is an antenna electronics antenna which radiates greater power in one or more directions allowing for increased ..
Reference antenna
A reference antenna is an Antenna radio antenna with known performance. It is normally used to calibrate ... and repeatable. In a common usage scenario a reference antenna would be used as a transfer standard ..
Biconical antenna
Image Biconiocal antenna.png thumb Biconical antenna A biconical antenna consists of an arrangement of two ... RE 1790.jpg 175px right thumb Omnidirectional Biconical Antenna A common variant is the Discone antenna ..
Antenna aperture
As a receiver radio receiver , antenna aperture can be visualised as the area of a circle constructed broadside to incoming radiation where all radiation passing within the circle is delivered by the Antenna ..
Coaxial antenna
A coaxial antenna often known as a coaxial dipole is a particular form of a half wave dipole antenna , most often employed as a vertically polarization polarized omnidirectional antenna . History Arnold ..
Antenna feed
Image Antenna feed1.JPG right The antenna feed refers to the components between an Antenna radio antenna ... LNA . For satellite communications the feed might consist of the Antenna Horn , Orthomode transducer ..
Antenna factor
In telecommunications , the antenna factor AF unit 1 m is defined as the ratio of the incident electromagnetic field strength E units V m or µV m to the voltage V units V or µV on the line connection of an antenna ..
Antenna rotator
An Antenna Rotator is device which is used to change the orientation of a directional antenna . Most antenna rotators have two parts, the rotator unit and the controller. The controller is normally placed ..
Monopole antenna
Unreferenced date December 2006 Image Monopole.jpg thumb right 240px Monopole antenna used for broadcasting A monopole antenna is a type of radio antenna formed by replacing one half of a dipole antenna ..
Cassegrain antenna
Image Parabolic antenna types.png thumb In telecommunication s and radar , a Cassegrain antenna is an antenna electronics antenna in which the Raw feed feed radiator is mounted at or near the surface of a concave ..
Omnidirectional antenna
Image Schwarzbeck RE 1790.jpg right thumb 240px Vertical polarized VHF UHF biconical antenna 170 1100 MHz with omni directional H plane pattern. An omnidirectional antenna is an antenna electronics antenna ..
Slot antenna
A slot antenna consists of a metal surface, usually a flat plate, with a hole or slot cut out. When the plate is driven element driven as an antenna radio antenna by a driving frequency, the slot radiates ..
Indoor antenna
Image Indoor Antenna Rabbit Ears DSCN2540a.jpg thumb 180px right TV set top indoor antenna Rabbit Ears for VHF and UHF reception. An Indoor antenna is a type of Antenna radio Radio or TV Antenna placed ..
Squint (antenna)
In a phased array or slotted waveguide antenna, squint refers to the angle that the transmission telecommunications ... of the antenna. Image Squint Angle.png thumb right An example of squint caused by two differing frequencies ..
Antenna array Antenna array may refer to an Interferometry interferometric array of Radio telescope s used in radio astronomy . a Phased array , also known as a smart antenna , an electronically steerable directional ..
Parabolic antenna
Image VLBA St Croix 04.jpg 350px thumb Parabolic Antenna, part of the Very Long Baseline Array VLBA radio telescope system at St. Croix, U.S. Virgin Islands The parabolic antenna is a high gain reflector ..
Beverage antenna
Image Antenna boom comparison.png frame Yagi Uda antenna signal gathering action compared to other end fire, backfire and traveling wave types. The Beverage Antenna is a relatively inexpensive but very ..
Antenna gain Antenna Gain is defined as the ratio of the radiation intensity of an antenna radio antenna in a given direction, to the intensity of the same antenna as it radiates in all directions isotropically . Since ..
Evolved antenna
Image St5 ea long smaller.jpg frame Evolved X band antenna for NASA s Space Technology 5 Mission Evolved antennas are Antenna radio antennas designed fully or substantially by an automatic design procedure ..
Antenna (radio)
otheruses3 Antenna Image Moosbrunn SW Antenna.jpg thumb right Short Wave HRS type antennas Curtain Antenna Moosbrunn, Austria An antenna is a transducer designed to transmitter transmit or receive Electromagnetic ..
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