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  2. United States National Grid - Wikipedia

    en.wikipedia.org/wiki/United_States_National_Grid

    It consists of three parts (each of which follows a "read-right-then-up" paradigm familiar with other "X,Y" coordinates): USNG Grid Zone Designations (CONUS) USNG 100 km Square IDs USNG Grid Coordinates: "Read right, then up" as actual distances (locally, within a 100 km square) Grid Zone Designation (GZD); for a world-wide unique address.

  3. World Geographic Reference System - Wikipedia

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

    The GJ local grid. For example, on a GEOREF chart, Naval Air Station Patuxent River (38°17′10″N 76°24′42″W) / (38.286108, -76.4291704) is located (to the nearest minute) at position GJPJ3417. To locate the position from the coordinates, proceed as follows: Right from 180° longitude to longitude zone G

  4. List of national coordinate reference systems - Wikipedia

    en.wikipedia.org/wiki/List_of_national...

    Given that every projection gives deformations, each country's needs are different in order to reduce these distortions. These national projections, or national Coordinate Reference Systems are officially announced by the relevant national agencies. The list below is a collection of available official national projected Coordinate Reference ...

  5. Geodetic coordinates - Wikipedia

    en.wikipedia.org/wiki/Geodetic_coordinates

    Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).

  6. Military Grid Reference System - Wikipedia

    en.wikipedia.org/wiki/Military_Grid_Reference_System

    The intersection of a UTM zone and a latitude band is (normally) a 6° × 8° polygon called a grid zone, whose designation in MGRS is formed by the zone number (one or two digits – the number for zones 1 to 9 is just a single digit, according to the example in DMA TM 8358.1, Section 3-2, [1] Figure 7), followed by the latitude band letter ...

  7. Wikipedia:Obtaining geographic coordinates - Wikipedia

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

    Click the email icon. The geographical coordinates are embedded in the email link which is then displayed. The coordinates are the two numbers displayed immediately after the letters "cp=". The latitude and longitude are separated by a tilde ( ~ ). The latitude is displayed first, and both coordinates are displayed in decimal degrees format.

  8. Global Navigation Grid Code - Wikipedia

    en.wikipedia.org/wiki/Global_Navigation_Grid_Code

    The team proposed a complete area location coding system called "1+4 basic code, N serial extended codes". [3] Above these codes, the global subdivision grid code is a basic one and it has been completed. GNGC is part of research on Global Sub-division Grid (GSG, or global discrete grid, geographic grid or spatial information grid).

  9. Wikipedia : WikiProject Geographical coordinates

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

    Obtaining geographic coordinates, listing various ways on how to obtain geographic coordinates for use in an article. Version_1.0_Editorial_Team/WPPlaces, Version 1.0 Editorial Team contact results with WikiProject Geographical coordinates; WikiProject Maps/Source materials, list of free maps for use in creating geographical maps for Wikipedia ...