It is a collaborative project between the California Institute of Technology Division of Geological and Planetary Sciences and the Harvard-Smithsonian Center for Astrophysics Radio and Geoastronomy Division.

Overview of the geodetic activities the group, biographies of members and details of recent research projects.

Software application that does datum transformations. Converts individual positions between over 400 datums to or from user specified TM and UTM grids.

Includes professional activities, research, publications, workshops and news.

The publication attempts to develop an appreciation of the scope of geodesy and to generate some understanding of the problems encountered in the science.

Research in geodesy and precision navigation. Advanced researches in 1 cm geoid determination and alternative navigation filters design. Open call for cooperation to all groups with similar interests.

They are part of a research program with the Department of Geological Sciences, Central Washington University.

Introduction to geodetic datums, geometric earth models, global coordinate systems (such as latitude and longitude), datum conversions, and related topics. University of Texas.

Provides and maintains the national spatial reference system, standards and national networks of gravity and survey control points for Canada.

Definitions relating to geodesy, explanations of coordinate systems, and geodesy formulas. Reference ellipsoid defined with derived geometrical constants, equation of the meridional ellipse, and geometry of the meridian section.

Links to education and government sites.

Branch of US military responsible for maintaining satellite geodesy, conducting geodectic survyes, and collecting, processing, and evaluating gravity data (free-air and Bouguer gravity anomalies).