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RAYNET

RAYNET. East Suffolk. Map Reading Introduction. Tonight will give you a basic introduction to map reading. What is a map?. Scale. Common scales. 1:50 000 1:25 000. 1:50 000. 1:25 000. How to give a point on a map. Using Ordnance survey grid reference system. Ordnance survey grid.

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RAYNET

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  1. RAYNET East Suffolk

  2. Map Reading Introduction Tonight will give you a basic introduction to map reading

  3. What is a map?

  4. Scale

  5. Common scales • 1:50 000 • 1:25 000

  6. 1:50 000

  7. 1:25 000

  8. How to give a point on a map Using Ordnance survey grid reference system

  9. Ordnance survey grid

  10. TL63

  11. In this example, our location is shown on an OS Landranger map. The location lies within NS square on the national grid (indicated in the diagram above). The Easting (X) map coordinate is 4227. The Northing (Y) map coordinate is 8364. The NGR for this location is: NS42278364

  12. Compass

  13. 308 609 609308 Windmill

  14. 16 17 42

  15. Questions?

  16. Have you tried out our latest iOS app, OS Locate? It’s perfect for pinpointing your exact location when you’re exploring Great Britain. It’s designed to be used alongside an Ordnance Survey map, and the app converts GPS location readings from a mobile phone to Ordnance Survey National Grid references, helping you determine precisely where you are on one of our maps. OS Locate is free to download and, importantly, it doesn’t need a mobile signal to function, so the inbuilt GPS system can be relied upon, even in the most remote areas. It can be used as a useful tool for walkers, cyclists, runner, canoeists, horse riders and many more people. • Our developer team will be working on an Android version of OS Locate in 2014 as well as looking at other options, such as Windows 8.

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