World Geodetic System 1984 - A worldwide datum.

commonly used for GPS system

A geodetic network

Urs Wild has written:

'Ionosphere and geodetic satellite systems' -- subject(s): Geodetic satellites, Global Positioning System, Ionosphere

A geodetic datum is information used by satellite-based navigation systems and cartographers to translate positions indicated on their products to their real position on Earth.

This concept relates to that of the origin in a coordinate system in that the origin in the starting point from which all data on the particular graph is measured, and each geodetic datum serves as a kind of origin, helping to create a visual and literal representation of the world for the viewer.

Rudi Geodetic Point was created in 2006.