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2. Template:CH1903-WGS84 - Wikipedia

   en.wikipedia.org/wiki/Template:CH1903-WGS84

   This template is designed to convert a set of Swiss coordinates into either the corresponding WGS84 decimal latitude or longitude. It is intended to facilitate the usage of geodata (see {}) in articles about subjects for which only Swiss coordinates are readily available. The template should always be substituted.

3. Geographic coordinate conversion - Wikipedia

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

   The formulas involved can be complex and in some cases, such as in the ECEF to geodetic conversion above, the conversion has no closed-form solution and approximate methods must be used. References such as the DMA Technical Manual 8358.1 [ 15 ] and the USGS paper Map Projections: A Working Manual [ 16 ] contain formulas for conversion of map ...

4. Template:WGS84 angle to distance conversion.svg - Wikipedia

   en.wikipedia.org/wiki/Template:WGS84_angle_to...

   Template: WGS84 angle to distance conversion.svg. ... Print/export Download as PDF; Printable version;

5. Well-known text representation of coordinate reference systems

   en.wikipedia.org/wiki/Well-known_text...

   A WKT format is defined to describe the operation methods and parameters used to convert or transform coordinates between two different coordinate reference systems. The WKT 1 and WKT 2 formats are incompatible regarding coordinate operations, because of differences in the modelling. [13]

6. Template:CH1903-WGS84/doc - Wikipedia

   en.wikipedia.org/wiki/Template:CH1903-WGS84/doc

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

7. North American Datum - Wikipedia

   en.wikipedia.org/wiki/North_American_Datum

   The definition of NAD 83(1986) is based on the GRS 80 spheroid, as was WGS 84, so many older publications indicate no difference. WGS 84 subsequently changed to a slightly less flattened spheroid . This change in flattening is about 0.1 mm, a difference so small that computational programs often do not distinguish between the two ellipsoids. [ 13 ]

8. 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]

9. Projected coordinate system - Wikipedia

   en.wikipedia.org/wiki/Projected_coordinate_system

   A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates (x, y) on a planar surface created by a particular map projection. [1]