Celestial Navigation, Episode 6: The sextant, taking a sight, correcting the sight
Автор: The Nav Station
Загружено: 2021-07-17
Просмотров: 8112
Описание:
Practical Celestial Navigation course: parts of a sextant, taking a sight, sextant errors, sight-taking errors, how to Correct a Sight using tables in the Nautical Almanac.
1) Homework
August 14, 2021
Upper Limb Sun sight, Hs 42º 06.4'
Index Error, 1' OFF the arc
Height of Eye, 8 ft
Correct the sight to find Ho (altitude observed) using the tables in the 2021 Nautical Almanac
Ho = 41º 47.8' (this is correcting an error in the original post)
2) Homework
February 23, 2021
Lower Limb Sun sight, Hs 24º 18.9'
Index Error, 3.4' ON the arc
Height of Eye, 10 ft
Correct the sight to find Ho (altitude observed) using the tables in the 2021 Nautical Almanac
Ho = 24º 26.5'
FOR A FULL LIST OF COURSE EPISODES, PLEASE REFER TO EPISODE 1.
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