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Advantages of Beverage antenna | disadvantages of Beverage antenna

This page covers advantages and disadvantages of Beverage antenna. It mentions Beverage antenna advantages or benefits and Beverage antenna disadvantages or drawbacks.

What is Beverage antenna?

• It consists of wire strung horizontally a fraction of wavelength over ground. The Beverage antenna is fed relative to ground and its ground plane image of horizontally polarized wire cancels much of far field pattern.
• Its length is one wavelength or longer. Hence it is also known as long wire antenna.

Beverage antenna

• The figure-1 depicts uni-directional beverage antenna. As shown it consists of horizontal wire λ/2 to several λ (wavelengths) long. This wire is suspended close to the ground which is kept about 10 to 20 feet high from the ground. It is pointed in the direction of the signal source.
• At the end toward source the antenna is terminated by resistor with value equivalent to characteristic impedance of transmission line which is in range from 400 to 800 Ohm.
• At the other end, the antenna is connected to receiver through transmission.
• It is used as receiving antenna for high frequency and medium frequency radio bands.

Benefits or advantages of Beverage antenna

Following are the benefits or advantages of Beverage antenna:
➨It offers excellent directivity.
➨It offers wide bandwidth of operation.
➨It is inexpensive.

Drawbacks or disadvantages of Beverage antenna

Following are the drawbacks or disadvantages of Beverage antenna:
➨It has longer physical size, which requires considerable land area.
➨It is not possible to rotate the antenna in order to change the receiving direction.
➨In order to provide wide azimuth coverage, multiple such antennas are required to be installed.

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