The Ordnance Survey National Grid reference system is a system of geographic
grid references used in Great Britain, different from using Latitude and ...
Frequently asked questions about the National Grid, the reference system
Ordnance Survey uses in its maps.
Instructions: Right-Click on the map to get Grid Reference (click on pin to display
info) ×. © Crown copyright and database rights 2016 Ordnance Survey.
British Grid Reference System - Check the location of an OS Grid Reference, or
display the track of flights submitted to the SE Wales XC league.
When taking a grid reference, always read left to right along the bottom or top of
the map first and then bottom to top along the side of the map. This is particularly
OS Grid References are based on 100km grid squares identified by letter-pairs,
followed by digits which identify a sub-square within the grid square, ...
The OS grid references (OSGB) use two letters as the start of any reference. e.g.
SK474237. One might imagine that these have some simple geometric ...
Instructions. Click on the map anywhere in Britain (Scotland, England and Wales)
. You will then see the Northings, Eastings and National Grid Reference (NGR) ...
Get an OS grid ref from aerial photos and OS Maps.
How to give a grid reference. The Ordnance Survey map references to glow
worm sites are very important, as they enable us to locate its position to within