Antenna (636 bytes)
1: ..., '''[[Antenna (biology)|antenna]]''' (plural: '''antennae''') refers to the sensing organs of several [[ar...
2: ...'[[Antenna (electronics)|antenna]]''' (plural: '''antennas''') refers to the component designed to send and...
3: * [[ANT1|Antenna]], also known as ANT1, is a Greek-language terres...
4: *In [[astronomy]], '''[[Antennae (astronomy)|Antennae]]''' is the name of two colliding galaxies [[NGC...

Rhombic antenna (1573 bytes)
1: ...[[broadband]] directional [[antenna (electronics)|antenna]], mostly used in HF (high frequency, also called...
5: The rhombic antenna can radiate close to the horizon or at a higher a...
7: ...erable size, it is not very practical as the sole antenna of a radio station if operating conditions are ex...
9: ...ceptible to sharply localized fading than smaller antennas.
10: [[Category:Radio frequency antenna types]]

T2FD Antenna (2358 bytes)
1: ...ral-purpose [[shortwave]] [[antenna (electronics)|antenna]] developed in the late [[1940s]] by the [[United...
5: While in many ways measurably inferior to antennas specifically designed for given frequency bands,...
18: Such an antenna is usable for both local and medium-long distance...
20: For example, an antenna for the lower portion of shortwave (3 - 18 MHz) w...
22: ...he higher portion of shortwave (5 - 30 MHz), this antenna will be roughly 20m (66 feet) long, with a spacin...

Fractal antenna (977 bytes)
3: ...iven total surface area. For this reason, fractal antennas are very compact and are anticipated to have use...
5: ...-- and its harmonics? -->. This makes the fractal antenna an excellent design for [[broadband]] application...
7: Contrast: [[Waveguide]] antenna.
11: [[Category:Radio frequency antenna types]]

Beverage antenna (1766 bytes)
1: ...erage]], it is ''not'' a beverage can or beer can antenna.
3: ... easily rotated so installations may use multiple antennas to provide a choice of orientation.
5: ...termination to be used for one specific installed antenna.
10: *[http://www.qsl.net/aa3px/ AA3PX Antenna design page]
11: ...://www.angelfire.com/mb/amandx/bevant.html AMANDX antenna page]

Antenna tuner (443 bytes)
1: ...trically elongated antenna is never as good as an antenna with the precise physical length.
5: [[category: antenna terminology]]

Yagi antenna (3075 bytes)
1: ...eal-tower-top.thumb2.jpg|thumb|right|250px|A yagi antenna]]
2: ...e dipole as directors. This arrangement gives the antenna directionality that a single dipole lacks. Yagis ...
4: ...uencies onto the active dipole. Thus the complete antenna achieves a distinct response bandwidth determined...
6: ...sides of the [[plane of symmetry]]. Many Yagi-Uda antennas (including the one pictured) are designed to ope...
8: ...r name for the antenna is, as above, the Yagi-Uda antenna (or array).

Antenna (album) (3681 bytes)
2: ...olspan="3" bgcolor="orange" style="color:black"|''Antenna''
4: |align="center" colspan="3"|[[Image:ZZ Top - Antenna.jpg|225px|Album cover]]
35: |''[[Antenna (album)|Antenna]]''<br>([[1994]])
38: '''''Antenna''''' is the eleventh studio [[album]] by [[Americ...
46: #"Antenna Head" (Beard, Gibbons, Hill) - 4:42

Directional antenna (433 bytes)
1: ...ectional antenna''' is an [[antenna (electronics)|antenna]] which transmits or receives maximum power in a ...
3: ...ractical antennas can easily be [[omnidirectional antenna|omnidirectional]] in one plane.
4: [[Category:Radio frequency antenna types]]

Omnidirectional antenna (639 bytes)
1: ...ectional antenna''' is an [[antenna (electronics)|antenna]] system which radiates maximum power uniformly i...
3: ...fectly omnidirectional antenna is the [[isotropic antenna]],
4: a theoretical construct derived from actual antenna
6: and used as a reference for specifying antenna [[gain]]
9: Practical antennas approach omnidirectionality by providing

Antenna (astronomy) (313 bytes)
1: The '''Antennae''' is the name of two colliding [[galaxy|galaxie...
4: ...tronomy Picture of the Day, October 22, 1997: The Antennae Galxies]

Horn Antenna (6273 bytes)
1: ...sey.jpeg|thumb|right|300px|Photograph of the Horn Antenna]]
2: ...Robert Wilson]]. In [[1965]] while using the Horn Antenna, Penzias and Wilson stumbled on the [[microwave b...
6: The Horn Antenna at Bell Telephone Laboratories in Holmdel, New Je...
8: ...a connecting line, is an important feature of the antenna. A radiometer for measuring the intensity of radi...
10: ...al force of 100 pounds is sufficient to start the antenna in motion.

Isotropic antenna (562 bytes)
1: ...ation is a stack of two pairs of crossed [[dipole antenna]]s driven in quadrature.
3: ...e power that would be transmitted by an isotropic antenna emitting the same total power.
4: [[Category:Radio frequency antenna types]]

Biconical antenna (1766 bytes)
1: ...">[[Image:Biconiocal_antenna.png]]<br>''Biconical antenna''</div>
3: ...rections. Biconical antennas are broadband dipole antennas transceiving signals from 30 MHz to 300 MHz.
7: ...imple broadband wire approximation of a biconical antenna (commonly used for [[Ultra high frequency|UHF]] t...
10: *[[Antenna (electronics)|Antenna]]
12: *[[Television]]

Dish antenna (308 bytes)
1: ...ich a [[parabolic dish]] focuses a signal onto an antenna, located at the parabola's focal point. These dis...

Antenna aperture (576 bytes)
1: ...eter of the cross-section of an [[antenna (radio)|antenna]]'s radiation pattern in the direction of highest...
3: ...tion passing within the circle is absorbed by the antenna.
5: See "[[Antenna (radio)]]" for more details.
9: [[Category:Antenna terminology]]

Parabolic antenna (3288 bytes)
1: ...is a high-gain, reflector antenna used for radio, television and data communications, and also for radiolocati...
3: ...[Image:Very Large Array.jpg|thumb|300px|Parabolic Antennas at the Very Large Array Radio Telescope (image c...
5: ...nsists of a reflector illuminated by a small feed antenna.
7: ... in a circular rim that forms the diameter of the antenna. This paraboloid possesses a distinct focal poin...
9: ...ated away from the primary focal point. The feed antenna is connected to the associated radio-frequency (R...

Image antenna (1138 bytes)
1: ...nd, ''i.e.'', the [[ground plane]], as the actual antenna is above the ground plane.
3: ...g the ground. Each charge and current in the real antenna has its image that may also be considered as a so...
5: ''Note 2:'' An image antenna may also be considered to be on the opposite side...
10: [[Category:Radio frequency antenna types]]

Helical antenna (1282 bytes)
1: ...ntenna]] with a circular [[polarization]]. These antennas are best suited for space communication, where t...
3: ...or vertical polarization, but clockwise polarized antennas suffer a severe [[gain]] loss when receiving cou...
5: ...ectional the antenna will be and its gain; longer antennas will be more sensitive in the direction in which...
8: *[[Telstar]] (article includes image of a helical antenna)
10: [[Category:Radio frequency antenna types]]

Antenna (radio) (17166 bytes)
1: ...l-tower-top.thumb2.jpg|thumb|right|250px|A [[yagi antenna]]]]
2: Most simply, an '''antenna''' is an electronic component designed to send or...
4: More specifically, an antenna is an arrangement of [[Conductor (material)|condu...
6: ...d will induce an alternating [[current]] upon the antenna. See [[radio frequency induction]].
10: There are two fundamental types of antennas. The first couples to the [[electric field]] of ...

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