Last modified on 8 October 2013, at 10:33

magnetic variation

EnglishEdit

NounEdit

magnetic variation (plural magnetic variations)

  1. (military, nautical, navigation) In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north.
  2. (cartography) In cartography, the annual change in direction of the horizontal component of the Earth’s magnetic field.

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See alsoEdit

ReferencesEdit

  • JP 1-02 Department of Defense Dictionary of Military and Associated Terms