Importance

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Abstract

An antenna system is presented having a feed for feeding an antenna and apparatus for supporting the feed. The system includes a vertically oriented, electrically conductive hollow mast which carries first and second groups of vertically spaced bays of radiating elements. Each bay includes an arrangement of N radiating elements extending outward from the mast. N vertically oriented electrically conductive, hollow feed support members are spaced away from the mast. Each support member carries an elongated feed conductor extending vertically within the support member. The support members extend vertically upward coextensively with that of the mast to approximately midway between said first and second groups of bays. N hollow electrically conductive, coupling arms are provided and each arm extends between the mast and one of the N support members. Each arm carries first and second conductors each connected at one end to a feed conductor. The first conductor extends upwardly within the mast to feed the first group. The second conductor extends downwardly within the mast to feed the second group.

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First Claim