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  1. The geographic coordinate system (GCS) is a spherical or geodetic 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. There are many uses for a geospatial PDF. After importing geospatial data into PDF, one can use the data in a variety of ways: [1] Find and mark location coordinates. Measure distance, perimeter, and area. Change the coordinate system and measurement units.

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  4. Map of Earth showing lines of latitude (horizontally) and longitude (vertically), Eckert VI projection; large version Archived 2016-12-25 at the Wayback Machine (pdf, 1.8MB) A geographical coordinate system is a coordinate system. This means that every place can be specified by three sets of three numbers, called coordinates.

  5. › wiki › LatitudeLatitude - Wikipedia

    Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pole, with 0° at the Equator. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude and longitude are used together as a coordinate pair to specify a location on the surface of the Earth.

  6. › wiki › GeodesyGeodesy - Wikipedia

    Fundamentals Concepts Technologies Standards (history) v t e Geodesy is the science of measuring and representing the geometry, gravity, and spatial orientation of the Earth in temporally varying 3D. It is called planetary geodesy when studying other astronomical bodies, such as planets or circumplanetary systems. [1]

  7. Google Maps tool – Coordinate converter. Online application to acquire coordinates for any place on Earth. Supports more than 3,000 coordinate systems and 400 datums worldwide. Place pushpins on the map and calculates automatically the coordinates in the selected coordinate system or datum.