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  2. Decimal degrees - Wikipedia

    en.wikipedia.org/wiki/Decimal_degrees

    Decimal degrees (DD) is a way of expressing latitude and longitude as decimal fractions of a degree, used in many geographic information systems and GPS devices. Learn how to convert DD to DMS notation, the precision of DD, and the examples of DD coordinates.

  3. Geographic coordinate conversion - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate...

    Learn how to convert geographic coordinates among different formats, systems and datums. Find formulas, methods and examples for latitude, longitude, height and other parameters.

  4. Geographic coordinate system - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate_system

    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.

  5. Wikipedia : WikiProject Geographical coordinates

    en.wikipedia.org/wiki/Wikipedia:WikiProject...

    dms or decimal format is kept, format=dms can be added to decimal coordinates; negative coordinates followed by N or E are converted to positive coordinates followed by S or W; coordinates are not imported if: degrees are out of range (90°/180°) minutes or seconds >= 60; region doesn't start with [a-zA-Z] [a-zA-Z] type is not in list. A few ...

  6. Universal Transverse Mercator coordinate system - Wikipedia

    en.wikipedia.org/wiki/Universal_Transverse...

    UTM is a map projection system that assigns coordinates to locations on the Earth's surface, ignoring altitude and treating the Earth as a perfect ellipsoid. It divides the Earth into 60 zones, each 6 degrees of longitude wide, and uses a transverse Mercator projection with a standard scale factor of 0.9996.

  7. World Geodetic System - Wikipedia

    en.wikipedia.org/wiki/World_Geodetic_System

    The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS.The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM).