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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?

Introduction:
• 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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