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Ordnance Survey – Great Britain's national mapping agency

Northings and Eastings

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The National Grid is designed to cover the whole of Great Britain and extends 700 km to the east and 1300 km to the north of the false origin. Within this framework we can use a National Grid reference to state the position of any point in Britain, to any level of precision that we require. Essentially, we need to state two numbers: an easting (along the horizontal axis) and a northing (along the vertical axis).

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