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The FOLDED DIPOLE consists of a dipole radiator, which is connected in parallel at its ends to a
half-wave radiator.
AN ARRAY is a combination of half-wave elements operating together as a single antenna. It
provides more gain and greater directivity than single element antennas.
A DRIVEN ARRAY derives its power directly from the source.
A PARASITIC ARRAY derives its power by coupling the energy from other elements of the
antenna.
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