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Version 3.1

Map Reading & GPS Part Two - Compass. Version 3.1. NNW. NNE. NW. NE. WNW. ENE. E. W. ESE. WSW. SW. SE. SSW. SSE. S. The Points of a Compass. N. NT. WA. SA. NNW. NNE. NW. NE. WNW. ENE. E. W. ESE. WSW. SW. SE. SSW. SSE. S. The Degree System. 360 °. 0 °. N.

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Version 3.1

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  1. Map Reading & GPS Part Two - Compass Version 3.1

  2. NNW NNE NW NE WNW ENE E W ESE WSW SW SE SSW SSE S • The Points of a Compass N NT WA SA

  3. NNW NNE NW NE WNW ENE E W ESE WSW SW SE SSW SSE S • The Degree System 360° 0° N 45° 315° 270° 90° 135° 225° 180°

  4. Bearings 30°

  5. Bearings 225°

  6. Bearings Smoke has been sighted from the Burnima Road and Monaro Highway intersection at a bearing of approximately 6

  7. Bearings The smoke can be seen from “Toorallie” looking to the SW

  8. Bearings A firefighter from the Cathcart Brigade has driven up to the top of Lighthouse Hill, he has a compass and can see the smoke due west

  9. Bearings That narrows it down a bit.... Activity 9: Complete the bearings exercise sheet

  10. True North, Magnetic North and Grid North

  11. True North, Magnetic North and Grid North 36 35 GN TN GN MN TN MN GRID / MAGNETIC ANGLE 9.9 GRID CONVERGENCE 1.6 GRID / MAGNETIC ANGLE 13.3 GRID CONVERGENCE 1.5 34 77 25 76 24 75 23 Shooters Hill & Kanangra (showing grid variation)

  12. Magnetic variation around the globe

  13. Magnetic variation around Australia • True North, Magnetic North and Grid North

  14. Grid North Magnetic North True North

  15. Magnetic Variation (add or subtract?) On Map On Off Map Off

  16. GN TN MN Map Setting Compass set to north Place edge of compass along the edge of the map border (True North) Rotate graduated dial so that the orienting lines are parallel with grid lines (Grid North) Rotate the map and compass until the needle is east or west of Grid North as per the north points diagram All of these lines should look like the representation that is provided in the north points diagram

  17. GN MN TN Map Setting

  18. GN MN TN Map Setting GN MN TN

  19. Any Questions? Outdoor Activity: Complete map setting, grid and magnetic bearing activities. Fox Hunting

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