Getting your Bearings - for iPod/iPhone

Getting your Bearings

Learn how ordinance survey maps are accurately produced and quality controlled.

Ordnance survey maps

Three walkers begin a field trip navigating a route in the peak district.

Contour lines

Discover how to get your bearings with a compass and a map.

Taking a bearing

Using contour lines the ramblers can predict the land features they are up against.

A saddle point

While looking at the GPS, the team explore the differences between grid North and true North.

Planning the route home

Learn how an ordinance survey map is produced before following three ramblers on a field trip in the Peak District. This material makes up part of the course MU120 Open mathematics.

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