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1. ### en.wikipedia.org › wiki › Geographic_coordinate_systemGeographic coordinate system - Wikipedia

The geographic coordinate system (GCS) is a spherical or ellipsoidal coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. 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.

• Decimal Degrees

Decimal degrees (DD) is a notation for expressing latitude...

2. ### en.wikipedia.org › wiki › Coordinate_systemCoordinate system - Wikipedia

Geocentric coordinate system, a three-dimensional cartesian coordinate system that models the earth as an object, and are most commonly used for modeling the orbits of satellites, including the Global Positioning System and other satellite navigation systems.

3. ### simple.wikipedia.org › wiki › Geographic_coordinateGeographic coordinate system - Simple English Wikipedia, the ...

How did the geographic coordinate system originate?

What is the most general definition of a coordinate system?

What are grid and coordinates systems?

5. ### www.merriam-webster.com › dictionary › geographicalGeographical coordinate Definition & Meaning - Merriam-Webster

The meaning of GEOGRAPHICAL COORDINATE is either of the two lines of latitude and longitude whose intersection determines the geographical point of a place. either of the two lines of latitude and longitude whose intersection determines the geographical point of a place…

6. ### www.wiki.gis.com › wiki › indexCoordinate system - GIS Wiki | The GIS Encyclopedia

Sep 24, 2018 · Geographic coordinate systems vary from projected coordinate systems in that they reference the earth as a 3D object measured in degrees rather than using a 2D projection of the earth's surface to measure it using meters or feet. However, latitude and longitude degrees do not have a standard length.

7. ### www.thefreedictionary.com › Geographic+coordinateGeographic coordinate system - The Free Dictionary

geographic coordinates. The quantities of latitude and longitude which define the position of a point on the surface of the Earth with respect to the reference spheroid. See also coordinates. Dictionary of Military and Associated Terms. US Department of Defense 2005. Want to thank TFD for its existence?