Del Norte Technology, Inc.

Eric C Ko

Paul K Dano

A radar system is used to locate a vehicle's position on a predetermined X, Y grid, which could be latitude and longitude. Several paths of different lengths link the vehicle with a master station which transmits cyclically recurring pulses. Equipment on the vehicle compares the propagation time required for the pulses to travel over each of the several paths. The compared times are then used by a microprocessor to calculate the position of the vehicle. The several paths are identified by a use of repeater stations which may selectively drop predetermined ones of the cyclically recurring pulses and retransmit the rest. For example, one repeater may retransmit every second recurring pulse and another repeater may retransmit every third recurring pulse.

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Carrollton, TX, United States of America

Eric C Ko