Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1998-03-05
2000-01-18
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
34235702, 34235701, 701213, 701214, G01S 502
Patent
active
060161183
ABSTRACT:
Method and apparatus for enhancing the accuracy of the elevation coordinate in a survey that uses GPS survey measurements to determine location coordinates for a plurality of survey locations. An optimal locally-best-fitting plane is combined with a geoid model that represents a local region of the Earth, in order to decrease the inaccuracy associated with an elevation coordinate in the survey to a fraction of a decimeter.
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John P. Snyder, Map Projections-A Working Manual, U.S. Geological survey, Professional Paper No. 1395, U.S. Government Print Office, 1982, pp.
Jackson Michael E.
Jackson Richard
Phan Dao L.
Schipper John F.
Tarcza Thomas H.
Trimble Navigation Limited
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