The SH9506 Square Kilometre

SH9506 National Grid Square

Based in the Mid and West Wales region of Scotland.

SH9506 is within the post town of Welshpool, Montgomeryshire.

The square is within Powys - Powys council.

The Point of Origin (0,0) is 425.04 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for SH9506

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Map Series	link	Ordnance Survey
Explorer 1:25,000 215 Newtown, Llanfair Caereinion
Explorer 1:25,000 239 Lake Vyrnwy and Llanfyllin, Tanat valley
Landranger 1:50,000 125 Bala & Lake Vyrnwy	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 SH9506 and the vertical and horizontal line divides the square into four quadrants

Dividing the SH9506 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. SH , 95 and 06

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 SH + 95 + 3 + 06 + 5 would give you the six figure grid reference of SH953065

SH	95		06
SH	95	3	06	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	52.641562	-3.553529	295000	306000
South East Corner	52.641562	-3.538437	296000	306000
North West Corner	52.650742	-3.553529	295000	307000
North East Corner	52.650742	-3.538437	296000	307000