This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
GRAVIMETRIC DATUM ORIENTATION.SVG en Earth's ellipsoid geoid and two types of vertical deflection Rishiyur talk File GRAVIMETRIC DATUM ORIENTATION mk SVG en Rishiyur Original upload log page en GRAVIMETRICDATUMORIENTATION SVG Rishiyur bytes no Sundar Global Positioning System Geodesic diagrams Ellipsoids