What is the distance between the two parallels of longitude 150°E and 151°E along the equator?4
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What is the great circle distance between two points A and B on the equator when the difference between the two associated meridians is exactly one degree of longitude?4
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Assume two arbitrary points A and B on the same parallel of latitude, but not on the equator. Point A is located on 010°E and point B on 020°E. The rumb line distance between A and B is always...4
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What is the difference in time when the sun moves 20° of longitude?4
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What is the difference in time when the sun moves 10° of longitude?4
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With Central European Summer Time (CEST) given as UTC+2, what UTC time corresponds to 1600 CEST?4
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UTC is...4
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With Central European Time (CET) given as UTC+1, what UTC time corresponds to 1700 CET?4
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Vienna (LOWW) is located at 016° 34'E, Salzburg (LOWS) at 013° 00'E. The latitude of both positions can be considered as equal. What is the difference of sunrise and sunset times, expressed in UTC, between Wien and Salzburg? (2,00 P.)4
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The term 'civil twilight' is defined as...4
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