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5 Cards in this Set
- Front
- Back
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Magnetic North
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points towards the earth's magnetic north pole
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True north
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A line from any point on the earth's surface to the geographic north pole.
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Grid North
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A navigational term referring to the direction northwards along the grid lines of a map projection.
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Grid convergence
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The angle of difference at any given point between true north and grid north
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Total correction
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Declination - Grid convergence
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