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System and Method for Position or Range Estimation, Tracking and Selective Interrogation and Communication: 8,378,922

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Abstract: 

A method of estimating an arc-position of a distal transmitter is disclosed. In one embodiment, the method includes: (1) receiving radio frequency signals from said distal transmitter into an antenna having an array of feed horns and a Luneberg lens portion and (2) estimating an arc-position of said distal transmitter based on signal strengths provided by ones of said feed horns.

Patent Number: 
8,378,922
Date Of Issue: 
02/18/2013
Inventors: 

Ralph E. Hayles Jr.; James A. Moryl

Full Text: 
US Patent and Trademark Office