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Geodetic Consulting Services

John Hamilton, President of Terrasurv, has 40 years of experience in designing, performing, analyzing, and adjusting geodetic control surveys, including GNSS, Total Station, and Differential leveling. He bas bluebooked (submitted to NGS for inclusion in the National Spatial Reference System) dozens of GNSS and leveling projects.

He has written many software programs to process and analyze all types of survey data, and has assisted other companies and agencies in the execution of geodetic control surveys. In addition, he has developed numerous databases and database access programs to deal with datasets small and large. He is an expert in least squares adjustments and has given numerous workshops on geodetic topics in both the US and internationally.