What is magnetic declination?

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(N/A) Magnetic declination is the angle between the magnetic meridian and the geographic meridian at a particular location on the Earth's surface.
It represents the difference between magnetic north (the direction a compass needle points) and true geographic north (the direction toward the North Pole).
This angle varies depending on the observer's position on the Earth and changes slowly over time due to the movement of the Earth's magnetic poles.

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