MAGNETIC VARIATION


Meaning of MAGNETIC VARIATION in English

(*) 1. 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. See also magnetic declination. 2. In cartography, the annual change in direction of the horizontal component of the Earth’s magnetic field.

DOD English dictionary of military terms.      Английский словарь военных терминов DOD.