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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.
Track 5: A saddle point
Using contour lines the ramblers can predict the land features they are up against.
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Tracks in this podcast:
| Track | Title | Description |
|---|---|---|
| 1 | Getting your Bearings | A short introduction to this album. Play now Getting your Bearings |
| 2 | Ordnance survey maps | Learn how ordinance survey maps are accurately produced and quality controlled. Play now Ordnance survey maps |
| 3 | Contour lines | Three walkers begin a field trip navigating a route in the peak district. Play now Contour lines |
| 4 | Taking a bearing | Discover how to get your bearings with a compass and a map. Play now Taking a bearing |
| 5 | A saddle point | Using contour lines the ramblers can predict the land features they are up against. Play now A saddle point |
| 6 | Planning the route home | While looking at the GPS, the team explore the differences between grid North and true North. Play now Planning the route home |
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