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A PARASITIC ARRAY consists of one or more parasitic elements with a driven element. The
amount of power gain and directivity depends on the lengths of the parasitic elements and the spacing
between them.
MULTIELEMENT ARRAYS, such as the YAGI, have a narrow frequency response as well as a
narrow beamwidth.
A LONG-WIRE ANTENNA is an antenna that is a wavelength or more long at the operating
frequency. These antennas have directive patterns that are sharp in both the horizontal and vertical planes.
