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assumed latitude

The latitude of the assumed position chosen during a sight reduction to facilitate the use of sight reduction tables. It is always chosen to be your DR-Lat rounded off to the nearest whole degree. If DR-Lat = 35° 20' N, a-Lat = 35° N. If DR-Lat = 35° 46' S, a-Lat = 36° S. If the minutes part of DR-Lat is exactly 30', a-Lat can be rounded up or down. See Assumed Position.

Abbreviation:  a-Lat

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