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A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...
Single-armed antennas, like a single "telescoping" antenna. At the lowest resonant frequency that arm is slightly under a quarter-wave long. Both dipoles and monopoles are often built large enough to be self-resonant; usually each arm is a quarter-wave long.
The experimental Morgenstern German AI VHF-band radar antenna of 1943–44 used a "double-Yagi" structure from its 90° angled pairs of Yagi antennas formed from six discrete dipole elements, making it possible to fit the array within a conical, rubber-covered plywood radome on an aircraft's nose, with the extreme tips of the Morgenstern's ...
This 50-inch 4K smart TV has Roku built in, so you can also stream all of your favorite shows on whatever streaming service they're on. With a 4.8-star ratings reviewers say it's a great TV at a ...
A mast radiator or mast antenna is a radio tower or mast in which the whole structure is an antenna. Mast antennas are the transmitting antennas typical for long or medium wave broadcasting. Structurally, the only difference is that some mast radiators require the mast base to be insulated from the ground.
A turnstile antenna, or crossed-dipole antenna, [1] is a radio antenna consisting of a set of two identical dipole antennas mounted at right angles to each other and fed in phase quadrature; the two currents applied to the dipoles are 90° out of phase. [2] [3] The name reflects the notion the antenna looks like a turnstile when mounted ...
KLFY TV Tower Maxie: Maxie, Acadia Parish, Louisiana: Guyed Mast 538.3 m American Towers Tower Elgin-29045: Elgin, South Carolina: Guyed Mast also known as WOLO TV Tower 538.2 m Cusseta Richland Towers Tower Cusseta, Georgia: Guyed Mast 537.9 m Cox Radio Tower Braselton Braselton, Georgia: Guyed Mast 535.5 m Alabama Telecasters Tower ...
In such cases the antennas for directional radio services are mounted on the top of the free-standing part of the tower, while the guyed mast on its top carry the FM and TV antennas. They can be also used in order to upgrade small stable towers (like watertowers) with a long antenna mast for FM and TV broadcasting.
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