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UTM eastings range from about 166 000 meters to 834 000 meters at the equator. In the northern hemisphere positions are measured northward from zero at the equator. The maximum "northing" value is about 9 300 000 meters at latitude 84 degrees North, the north end of the UTM zones. The southern hemisphere's northing at the equator is set at 10 ...
To ensure that the northing and easting coordinates on a map are not negative (thus making measurement, communication, and computation easier), map projections may set up a false origin, specified in terms of false northing and false easting values, that offset the true origin. For example, in UTM, the origin of each northern zone is a point on ...
The false easting, E 0, is the distance of the true grid origin east of the false origin. The false northing , N 0 , is the distance of the true grid origin north of the false origin. If the true origin of the grid is at latitude φ 0 on the central meridian and the scale factor the central meridian is k 0 then these definitions give eastings ...
1234 5678 (numerical location; easting is 1234 and northing is 5678, in this case specifying a location with 10 m resolution) An MGRS grid reference is a point reference system. When the term 'grid square' is used, it can refer to a square with a side length of 10 km (6 mi), 1 km, 100 m (328 ft), 10 m or 1 m, depending on the precision of the ...
Geographic coordinate conversion has applications in cartography, surveying, navigation and geographic information systems. In geodesy, geographic coordinate conversion is defined as translation among different coordinate formats or map projections all referenced to the same geodetic datum. [1] A geographic coordinate transformation is a ...
The first number is always the easting and the second is the northing. The easting and northing are in metres from the false origin. The ITM co-ordinate for the Spire of Dublin on O'Connell Street is: 715830, 734697. The first figure is the easting and means that the location is 715,830 metres east from the false origin (along the X axis).
false easting of true grid origin, E0: 200,000 false northing of true grid origin, N0: 250,000. The Irish grid uses the OSGB projection formulae. Irish Transverse Mercator. datum: Ireland 1965 ellipsoid: GRS80 major axis: 6 378 137 minor axis: 6 356 752.314140 central meridian scale factor: 0.999820 true origin: 8°W and 53.5°N
Coordinates may also be given relative to the origin of the entire 500 by 500 km (310 by 310 mi) grid (in the format easting, northing). For example, the location of the Spire of Dublin on O'Connell Street may be given as 315904, 234671 as well as O1590434671. Coordinates in this format must never be truncated, because, for example, 31590 ...