Geographic coordinate seestem

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A graticule on a sphere or an ellipsoid. The lines frae pole tae pole are lines o constant longitude, or meridians. The circles parallel tae the equator are lines o constant latitude, or parallels. The graticule determines the latitude an longitude o poseetion on the surface.

A geographic coordinate seestem is a coordinate seestem that enables every location on the Yird tae be specified bi a set o nummers or letters. The coordinates are eften chosen such that ane o the nummers represents vertical poseetion, an twa or three o the nummers represent horizontal poseetion. A common choice o coordinates is latitude, longitude an elevation.[1]

References[eedit | eedit soorce]

  1. A Guide to coordinate systems in Great Britain v1.7 October 2007 D00659 accessed 14.4.2008