Table of Contents

• Introduction to Geodetic Datums
• The Figure of the Earth
• Geometric Models
• Reference Ellipsoids
• Global Coordinate Systems
• Latitude, Longitude, and Height
• Earth Centered, Earth Fixed X, Y, Z
• Earth Surfaces
• Geodetic Datums
• Datum Types
• Datums in Use
• Datum Shifts
• Datum Conversions
• Links to other related information
• National Imagery and Mapping Agency
• National Geodetic Survey Geoid-96 Page
• GPS Overview, Department of Geography, University of Texas at Austin
• Coordinate Systems Overview, Department of Geography, University of Texas at Austin
• Map Projection Overview, Department of Geography, University of Texas at Austin
• Home Page, Department of Geography, University of Texas at Austin