Importance

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Abstract

Methods for chaining together two or more navigation or survey stations to complete a project, where only adjacent stations in the chain have contact with each other. The location of a mobile reference station is determined and corrected, if necessary, using location determination (LD) signals from an LD system such as GPS, GLONASS, LEO or the like. The location of a first rover station is determined using RTK information and signal differencing from the mobile reference station. The location of a second rover station is determined using RTK information and signal differencing from the first rover station, in a chain of location determinations. Standard electronic distance measuring equipment and techniques can be used to supplement these methods in an integrated approach. Location consistency checks are provided by using RTK analysis to redetermine the location of one or more preceding stations in the chain. The invention can be used to direct a moving vehicle toward a selected structure for landing, tie-up, maintenance, refueling and similar activities.

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First Claim