The NM7306 Square Kilometre

NM7306 National Grid Square

Based in the Highlands and Islands region of Scotland.

NM7306 is within the post town of Oban, Argyllshire.

The square is within Argyll and Bute council.

The Point of Origin (0,0) is 726.89 Kilometres away. This is where the National Grid starts around 80 kilometres west of the Isles of Scilly.

Ordnance Survey Maps for NM7306

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Map Series	link	Ordnance Survey
Explorer 1:25,000 358 Lochgilphead and Knapdale North		Buy Direct from the Ordnance Survey
Explorer 1:25,000 359 Oban, Kerrera and Loch Melfort		Buy Direct from the Ordnance Survey
Explorer 1:25,000 355 Jura and Scarba	Shop for this map on amazon.co.uk	Buy Direct from the Ordnance Survey
Landranger 1:50,000 55 Lochgilphead & Loch Awe	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 NM7306 and the vertical and horizontal line divides the square into four quadrants

Dividing the NM7306 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. NM , 73 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 NM + 73 + 3 + 06 + 5 would give you the six figure grid reference of NM733065

NM	73		06
NM	73	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	56.192323	-5.661140	173000	706000
South East Corner	56.192323	-5.644204	174000	706000
North West Corner	56.201764	-5.661140	173000	707000
North East Corner	56.201764	-5.644204	174000	707000