The SP1979 Square Kilometre

SP1979 National Grid Square

Based in the West Midlands English Region.

The SP1979 square kilometre intersects with the settlement of Eastcote.

SP1979 is within the post town of Solihull, Warwickshire.

The square is within Solihull District council.

The Point of Origin (0,0) is 503.39 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SP1979

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Map Series	link	Ordnance Survey
Explorer 1:25,000 221 Coventry and Warwick, Royal Leamington Spa and Kenilworth	Shop for this map on amazon.co.uk
Explorer 1:25,000 220 Birmingham, Walsall, Solihull and Redditch	Shop for this map on amazon.co.uk
Landranger 1:50,000 139 Birmingham and Wolverhampton	Shop for this map on amazon.co.uk

This extract is taken from the Ordnance Survey six-inch to the mile series surveyed from 1888-1913. The scale is 1:10,560.

The Square overlayed over the map represents the extent of SP1979 and the vertical and horizontal line divides the square into four quadrants

Dividing the SP1979 Square to get a six figure Grid Reference

A helpful reminder for calculating grid references is across the landing and up the stairs.

For example if your house was located in a square that in the fourth square across and sixth square up and you wanted to work out its six figure grid refence.

First, You would divide the four figure grid reference into three parts. SP , 19 and 79

Count across starting with zero. This would give you three. Make a note that X for Across (A Cross) = 3.

Count up starting with zero. This would give you five. Make a note that Y = 5.

So to put it together SP + 19 + 3 + 79 + 5 would give you the six figure grid reference of SP193795

SP	19		79
SP	19	3	79	5

A six figure grid reference would be accurate to 10 metres. To achieve a greater level of accuracy this 10 metre square would be divided into a grid 10 by 10 and the process repeated.

This would produce an 8 figure grid reference that would be accurate to a square metre!

Corner	Latitude	Longitude	Easting	Northing
South West Corner	52.408658	-1.722111	419000	279000
South East Corner	52.408658	-1.707352	420000	279000
North West Corner	52.417683	-1.722111	419000	280000
North East Corner	52.417683	-1.707352	420000	280000