Bi-Static Circularly Symmetric Retrodirective Antenna.
DEPARTMENT OF THE NAVY WASHINGTON D C
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The patent describes a circularly symmetric antenna system capable of providing retro-directive retransmission of a modulated or an encoded incident signal, or having the ability of being employed as a bi-static relay where retransmission may be directed from the initiating station. Also the system may be used to provide selective automatic suppression of a retransmission in an unwanted direction.
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