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Aviation Systems Concepts, Inc. Patents
Aviation Systems Concepts, Inc.
Annandale, VA
No. of patents:

Patent Number Title Of Patent Date Issued
5045859 Phase reference navigation system and method September 3, 1991
A phase reference navigation system and method employs a plurality of fixed narrow beamwidth antennas arranged to cover a predetermined angular sector and such that the patterns of adjacent antennas crossover one another at their half-power points. Each antenna radiates an RF carrier whi

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