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{{#category_index:L|latitude}} 1. The angle between a tangent to the ellipsoid and the Earth’s axis; geodetic or geographic latitude. The angle subtended with the equatorial plane by a perpendicular from the point on the surface to the spheroid; positive values indicate north. See Figure G-1. 2. Distance north (positive) or south (negative) of a reference point or of an east-west reference line. Used in the latitude-departure survey method, where distances are called northing or southing. 3. A smoothed magnetic inclination; see magnetic latitude.