World Geodetic System
Geodetic reference system
World Geodetic System
The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation, including GPS. The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM). The standard is published and maintained by the United States National Geospatial-Intelligence Agency.
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