WGS84

The World Geodetic System is a standard for use in cartography, geodesy, and navigation.

Earth ellipsoid WGS84 (defined directly by a and ƒ):

• a = 6,378,137.0 m
• ƒ = 1 / 298.257223563
• b = 6,356,752.30 m.

See also

• Earth Ellipsoid
• Datum
• Geographic Coordinate Systems
• Longitude And Latitude
• Universal Transverse Mercator coordinate system (UTM)

Favorite site

• Wikipedia (en) WGS84에 대한 설명
• WGS84와 GRS80의 차이 ¹

References