When approaching the International Date line from the East, you:4
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Standard time is:4
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The "Equation of time":4
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Atmospheric refraction:4
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If the mean Sun moves 121°30' along the equator, that equals:4
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An approximate equation for calculating the convergence between two meridians is:4
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Any parallel of latitude is a:4
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What is "conversion angle":4
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Consider the following statements on rhumb lines:4
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What is the convergence at 50°00'N between the meridians 105°00'W and 145°00'W on the Earth?4
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