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| aerial |
a radio or television antenna. [1/3 definitions] |
| arista |
a prominent bristle that extends from the antenna of certain dipterous insects and regulates speed. [1/2 definitions] |
| cable television |
a form of television in which the sound and picture signals from distant stations are received by a master antenna and then delivered by electrical cable. Cable television typically provides clear reception, access to a large number of channels, and a relatively wide range of programming, whereas conventional television is limited to the reception of signals from local stations. |
| dipole |
see "dipole antenna." [1/3 definitions] |
| dipole antenna |
a radio or television antenna consisting of two equal rods that extend outward in opposite directions. |
| direction finder |
a device for ascertaining the direction of incoming radio waves or signals, consisting of a loop antenna that rotates. |
| dish |
a concave antenna, as for television or other communications. [1/7 definitions] |
| dish antenna |
a radio antenna with a round, concave reflector, used to receive or send satellite and microwave signals. |
| feeler |
an organ of touch on certain animals, such as an insect's antenna. [1/2 definitions] |
| goniometer |
an electrical device, consisting of a radio receiver and antenna, used to determine the direction and angle of incoming radio signals. [1/2 definitions] |
| lead-in |
the section of a radio or television antenna that connects to the transmitter or receiver. [1/3 definitions] |
| rabbit ears |
(informal) an indoor television antenna consisting of a plastic base and two extendable, swiveling, vertical rods. |
| radome |
a dome-shaped structure that protects a radar antenna from the weather, esp. on aircraft, without affecting reception. |
| repeater |
in communications, an antenna that can receive, amplify, and transmit the same signal. [1/3 definitions] |
| satellite dish |
a dish antenna designed to receive and transmit electromagnetic signals relayed by satellite, commonly used to receive television signals broadcast by satellite. |
| transmitter |
the broadcasting apparatus that generates, amplifies, and modulates radio waves and sends the signal thus produced from an antenna. [1/3 definitions] |
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