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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 ...
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 ...
(Grid references may be written with or without spaces; e.g., also NN166712.) NN has an easting of 200 km and northing of 700 km, so the OSGB36 National Grid location for Ben Nevis is at 216600, 771200. Illustration of the Ordnance Survey National Grid coordinate system, with Royal Observatory Greenwich as an example
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format. It is similar in design to the national grid reference systems used in other countries.
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 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 and northings by:
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 ...
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).