DM-43 - Approximating the geoid with spheres and ellipsoids
- Identify the parameters used to define an ellipsoid
- Differentiate the Clarke 1866 and WGS 84 ellipsoids in terms of ellipsoid parameters
- Differentiate between a bi-axial and tri-axial ellipsoid and their applications
- Explain why spheres and ellipsoids are used to approximate geoids
- Distinguish between a geoid, an ellipsoid, a sphere, and the terrain surface
- Describe an application for which it is acceptable to use a sphere rather than an ellipsoid
DM-44 - Approximating the Earth's shape with geoids