An antenna rotator (or antenna rotor) is a device used to change the orientation, within the horizontal plane, of a directional antenna. Most antenna rotators...

alternative is to use a single antenna mounted on a rotator, a remote servo system that rotates the antenna to a new direction when a dial next to the television...

high enough, the loop might be small enough to attach to an antenna rotator, in order to rotate that direction as desired. Compared to a dipole or folded...

Look up rotator in Wiktionary, the free dictionary. Rotator may refer to Anatomical terms of motion §Rotation List of internal rotators of the human body...

with. Thrust bearings are also used with radio antenna masts to reduce the load on an antenna rotator. One kind of thrust bearing in an automobile is...

monopole antennas Array antennas Loop antennas Aperture antennas Traveling wave antennas Log-periodic antenna Spiral Antenna Horn antenna Adcock antenna Sector...

work on a cubical quad antenna, rotator, or tower that allow the tower to tilt to the ground: They work by releasing the antenna to swivel out of the way...

directional antenna or beam antenna is an antenna which radiates or receives greater radio wave power in specific directions. Directional antennas can radiate...

obtained by phase scanning in elevation, while mechanically rotating in azimuth. The antenna rotates at 6rpm or 12rpm, with 360° azimuth coverage.  India INS...

radar antenna. The radome is constructed of material transparent to radio waves. Radomes protect the antenna from weather and conceal antenna electronic...

A Yagi–Uda antenna, or simply Yagi antenna, is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array;...

and telecommunications a dipole antenna or doublet is one of the two simplest and most widely-used types of antenna; the other is the monopole.[full...

in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver...

A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over...

temperature controls for coal-burning furnaces and then television antenna rotators. It diversified in several directions before finding its niche in the...

The Holmdel Horn Antenna is a large microwave horn antenna that was used as a satellite communication antenna and radio telescope during the 1960s at the...

In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio...

radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a...

A parabolic torus reflector antenna is a quasi-parabolic antenna, where the defining parabola is not rotated around the main transmission axis, but around...

Antagonists of God Hand AzEl or Az-El may also refer to: A type of Antenna Rotator mounting (diminutive for Azimuth/Elevation) Azel (album) This disambiguation...

An antenna farm, satellite dish farm or dish farm is an area dedicated to television or radio telecommunications transmitting or receiving antenna equipment...

the capacity of a radio link using multiple transmission and receiving antennas to exploit multipath propagation. MIMO has become an essential element...

and radar systems, beam steering may be accomplished by switching the antenna elements or by changing the relative phases of the RF signals driving the...

A horn antenna or microwave horn is an antenna that consists of a flaring metal waveguide shaped like a horn to direct radio waves in a beam. Horns are...

In the field of antenna design the term radiation pattern (or antenna pattern or far-field pattern) refers to the directional (angular) dependence of...

separation of air traffic. It consists of a rotating ground antenna and transponders in aircraft. The ground antenna sweeps a narrow vertical beam of microwaves...

the antenna from the aircraft's surface. The secondary surveillance radar consists of a second rotating antenna, often mounted on the primary antenna, which...

electronic warfare suite. Early radio direction finders used mechanically rotated antennas that compared signal strengths, and several electronic versions of...

A fractal antenna is an antenna that uses a fractal, self-similar design to maximize the effective length, or increase the perimeter (on inside sections...

wire antennas, are used in the short-wave radio bands. They constitute a type of reflective array antenna, consisting of multiple wire dipole antennas, suspended...