Great Britain National Grid
Last modified August 3, 2007
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This is a Transverse Mercator projected on the Airy spheroid. The central meridian is scaled to 0.9996. The origin is 49° N and 2° W.
Learn more about Transverse Mercator projection
Cylindrical, transverse projection with the central meridian centered along a particular region.
Two lines parallel with and 180 km from the central meridian at 2° W.
The central meridian.
Suitable for Great Britain. Limited in east–west extent.
The national coordinate system for Great Britain; used for large-scale topographic mapping.