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  2. Geographical distance - Wikipedia

    en.wikipedia.org/wiki/Geographical_distance

    Geographical distance or geodetic distance is the distance measured along the surface of the Earth, or the shortest arch length.. The formulae in this article calculate distances between points which are defined by geographical coordinates in terms of latitude and longitude.

  3. Comparison of free off-line satellite navigation software

    en.wikipedia.org/wiki/Comparison_of_free_off...

    Very basic programs like this may not be suitable for road navigation in cars, but serve their purpose for navigation while walking or trekking, and for use at sea. To determine the GPS coordinates of a destination, one can use sites such as GPScoordinates.eu and GPS visualizer. Some software presented here is free, but maps may need to be paid ...

  4. Map matching - Wikipedia

    en.wikipedia.org/wiki/Map_matching

    Map matching is the problem of how to match recorded geographic coordinates to a logical model of the real world, typically using some form of Geographic Information System. The most common approach is to take recorded, serial location points (e.g. from GPS ) and relate them to edges in an existing street graph (network), usually in a sorted ...

  5. Wikipedia:Obtaining geographic coordinates - Wikipedia

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

    Map to coordinates: Move a marker on a Google Maps map (map or satellite view) and get Latitude, Longitude and Elevation for the location. User interface in German language. NASA World Wind: Maps: Open source 3D interactive world viewer. See also: online version. Licensing: NOSA. Bing Maps: Maps: Provides geographical coordinates of a location ...

  6. Automotive navigation system - Wikipedia

    en.wikipedia.org/wiki/Automotive_navigation_system

    A GPS system designed by Philips in a 1995 Opel Omega vehicle. The road database is a vector map. Street names or numbers and house numbers, as well as points of interest , are encoded as geographic coordinates. This enables users to find a desired destination by street address or as geographic coordinates. (See map database management.)

  7. MapQuest - AOL Help

    help.aol.com/products/mapquest

    MapQuest offers online, mobile, business and developer solutions that help people discover and explore where they would like to go, how to get there and what to do along the way and at your destination.

  8. Geopositioning - Wikipedia

    en.wikipedia.org/wiki/Geopositioning

    Principles of geolocation using GPS. Geopositioning is the process of determining or estimating the geographic position of an object or a person. [1] Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum.

  9. World Geographic Reference System - Wikipedia

    en.wikipedia.org/wiki/World_geographic_reference...

    Extensions to the above notation allow the GEOREF system to be used to designate an area around a reference point. This is achieved by adding an area designation to a base GEOREF co-ordinate. The area designation can be the letter S, to specify the sides of a rectangle (separated by the letter X); or the letter R, to specify the radius of a circle.

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