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The history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude of any given place on Earth. The measurement of longitude is important to both cartography and navigation. In particular, for safe ocean navigation, knowledge of both latitude and longitude ...
v. t. e. A geographic coordinate system ( GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [ 1] It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Egypt adm location map.svg. image1. Egypt relief location map.jpg. Map of Egypt. Module:Location map/data/Egypt is a location map definition used to overlay markers and labels on an equirectangular projection map of Egypt. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/USA Washington, D.C. is a location map definition used to overlay markers and labels on an equirectangular projection map of Washington, D.C.. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Map of the Alps. Module:Location map/data/Alps is a location map definition used to overlay markers and labels on an equirectangular projection map of the Alps.The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/Lima Peru is a location map definition used to overlay markers and labels on an equirectangular projection map of Lima Peru. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/United States San Diego is a location map definition used to overlay markers and labels on an equirectangular projection map of central San Diego, California. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.