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WGS 84

WGS 84 is the 1984 revision of the World Geodetic System. It defines a fixed global reference frame for the Earth, for use in geodesy and navigation.

Earlier schemes included WGS 72[?], WGS 64[?] and WGS 60[?].

External link

http://www.wgs84.com/

All Wikipedia text is available under the terms of the GNU Free Documentation License

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