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Easy calculation of Magnetic & Gyro compas ERROR, deviation.
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HOW TO CALCULATE COMPASS ERROR ONBOARD #navigation #officer #merchantnavy #lifeatsea
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Navigation - Compass Error
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How to calculate Compass Error for 5 seconds
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How to compute compass error by sun : LIFE AT SEA
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FINDING COMPASS ERROR BY CORRECTING AND UNCORRECTING METHOD|NAVIGATION|BY Francis dela cruz
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Compass Error Calculation - Coastal Navigation
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Easiest Compass error finding off line software makes your job easy II Sailor 360
