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  2. 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 type of the various spatial reference systems that are in use, and forms the basis for most others.

  3. Universal Transverse Mercator coordinate system - Wikipedia

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

    The Universal Transverse Mercator (UTM) is a map projection system for assigning coordinates to locations on the surface of the Earth.Like the traditional method of latitude and longitude, it is a horizontal position representation, which means it ignores altitude and treats the earth surface as a perfect ellipsoid.

  4. Geographic coordinate conversion - Wikipedia

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

    A coordinate system conversion is a conversion from one coordinate system to another, with both coordinate systems based on the same geodetic datum.

  5. 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).

  6. Geodetic datum - Wikipedia

    en.wikipedia.org/wiki/Geodetic_datum

    A geodetic datum or geodetic system (also: geodetic reference datum, geodetic reference system, or geodetic reference frame, or terrestrial reference frame) is a global datum reference or reference frame for unambiguously representing the position of locations on Earth by means of either geodetic coordinates (and related vertical coordinates) or geocentric coordinates. [1]

  7. Spatial reference system - Wikipedia

    en.wikipedia.org/wiki/Spatial_reference_system

    A spatial reference system (SRS) or coordinate reference system (CRS) is a framework used to precisely measure locations on the surface of Earth as coordinates.It is thus the application of the abstract mathematics of coordinate systems and analytic geometry to geographic space.

  8. Mount Sumbing - Wikipedia

    en.wikipedia.org/wiki/Mount_Sumbing

    Mts Sundoro and Sumbing from ISS, 2021. Mount Sumbing (Indonesian: Gunung Sumbing) is an active stratovolcano in Central Java, Indonesia.This volcano is symmetrical like its neighbor, Mount Sindoro which lies to its northwest.

  9. Sawahlunto - Wikipedia

    en.wikipedia.org/wiki/Sawahlunto

    Sawahlunto (Jawi: ساواهلونتو ‎) is a city in West Sumatra, Indonesia.It lies 90 kilometres (a 2-hour drive) from Padang, the provincial capital.Sawahlunto is known as the site for the oldest coal mining site in Southeast Asia.