The variation between the grid north and true north is called _________.
A
true bearing
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B
magnetic declination
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C
magnetic variation
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D
grid variation
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Solution
The correct option is A grid variation The variation between the grid north and true north is called grid variation.
The horizontal angular difference between True North and Magnetic North is called MAGNETIC VARIATION or DECLINATION. The horizontal angular difference between Grid North and Magnetic North is called GRID MAGNETIC ANGLE.