Question

Relation between magnetic bearing and magnetic declination

Answer 1

Magnetic declination or variation is the angle on the horizontal plane between magnetic north (the direction the north end of acompass needle points, corresponding to the direction of the Earth's magnetic field lines) and true north (the direction along a meridian towards the geographic North Pole).

Answer 2

Magnetic declination :

Angle between geographical meridian and magentic meridian

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