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World Geodetic System
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{{short description|Geodetic reference system}} {{Geodesy}} {{Use dmy dates|date=January 2024| cs1-dates=ll}} 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]].<ref name="homepage">{{Cite web | url = https://earth-info.nga.mil/?dir=wgs84&action=wgs84 | title = World Geodetic System 1984 (WGS 84) | website = Office of Geomatics, National Geospatial-Intelligence Agency | access-date=21 December 2022}}</ref>
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