How to locate a grid reference for GPS using a where-wolf card. Map reading made easy.

Use your where-wolf card on any Ordnance Survey map or other map scaled at 1:50 000 (2cm to 1km) or 1:25 000 (4cm to 1km)
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National Grid style reference i.e PS 011 327

Use our step by step guide below to learn how to give a grid reference. Hover your mouse over each step and the map will indicate where to take the map reading from. Map reading and orienteering is easy once you have learnt this basic skill.

To recap:
1. Read letters identifying the 100 000 metre square in which your position lies PS
2. First quote EASTINGS. Locate first VERTICAL grid line to LEFT of point and read LARGE figures PS 01
3. Using you where-wolf count the number of verticle lines to the left of your position. PS 011
4. Then quote NORTHINGS. Locate first HORIZONTAL grid line BELOW the point and read LARGE figures. PS 011 32
5. Using you where-wolf count the number of horizontal lines below your position PS 011 327
Our where-wolf cards also have a simple reminder printed on them to jog your memory.

What could be easier? The 5 steps to give a grid reference is easy with a where-wolf. Map reading and orienteering is fun and enjoyable for all ages and abilities.

You can practice map reading at home sat on the sofa!

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