Magnetic dip is the result of the vertical component of the Earth's magnetic field. This dip is virtually nonexistent at the magnetic equator, since the lines of force are parallel to the Earth's surface and the vertical component is minimal. When a compass is moved toward the poles, the vertical component increases, and magnetic dip becomes more apparent at higher latitudes. Magnetic dip is responsible for compass errors during acceleration, deceleration, and turns.
Monday, November 19, 2007
COMPASS ERRORS VARIATION - MAGNETIC DIP
Magnetic dip is the result of the vertical component of the Earth's magnetic field. This dip is virtually nonexistent at the magnetic equator, since the lines of force are parallel to the Earth's surface and the vertical component is minimal. When a compass is moved toward the poles, the vertical component increases, and magnetic dip becomes more apparent at higher latitudes. Magnetic dip is responsible for compass errors during acceleration, deceleration, and turns.
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