Where is North?

Article English OPEN
Macmillan, Susan ; Shanahan, Tom (2010)
  • Publisher: NERC
  • Subject: Earth Sciences

To find your way using a magnetic compass with a map, you need to know the difference between magnetic north and map north. This difference is called ‘grid magnetic angle’, and in the UK it is derived from a model of the Earth’s magnetic field, which i... View more
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