The SY3898 Square Kilometre

SY3898 National Grid Square

Based in the South West English Region.

SY3898 is within the post town of Bridport, Dorset.

The square is within Dorset council.

The Point of Origin (0,0) is 351.92 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SY3898

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Map Series	link	Ordnance Survey
Explorer 1:25,000 116 Lyme Regis and Bridport	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 193 Taunton & Lyme Regis	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey

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 SY3898 and the vertical and horizontal line divides the square into four quadrants

Dividing the SY3898 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. SY , 38 and 98

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 SY + 38 + 3 + 98 + 5 would give you the six figure grid reference of SY383985

SY	38		98
SY	38	3	98	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	50.778238	-2.880909	338000	98000
South East Corner	50.778238	-2.866557	339000	98000
North West Corner	50.787336	-2.880909	338000	99000
North East Corner	50.787336	-2.866557	339000	99000