{"id":320,"date":"2020-10-22T11:03:56","date_gmt":"2020-10-22T11:03:56","guid":{"rendered":"https:\/\/maritimesa.org\/nautical-science-grade-11\/?p=320"},"modified":"2020-10-22T11:05:45","modified_gmt":"2020-10-22T11:05:45","slug":"altitude-corrections-introduction","status":"publish","type":"post","link":"https:\/\/maritimesa.org\/nautical-science-grade-11\/2020\/10\/22\/altitude-corrections-introduction\/","title":{"rendered":"Introduction"},"content":{"rendered":"<p><strong>Individual corrections.<\/strong><br \/>\nIn order to be able to use the altitude obtained by sextant of a heavenly body, we need to convert it from a sextant altitude to a true altitude.  To do this we need to apply five individual corrections to the altitude obtained from the sextant, namely corrections for:<\/p>\n<ol>\n<li>Index error.<\/li>\n<li>Dip.<\/li>\n<li>Refraction.<\/li>\n<li>Semi-diameter.<\/li>\n<li>Parallax.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Individual corrections. In order to be able to use the altitude obtained by sextant of a heavenly body, we need to convert it from a sextant altitude to a true altitude. To do this we need to apply five individual corrections to the altitude obtained from the sextant, namely corrections [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,41,42],"tags":[],"class_list":["post-320","post","type-post","status-publish","format-standard","hentry","category-11-1-navigation","category-11-1-5-altitude-correction","category-11-1-5-1-introduction"],"_links":{"self":[{"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/posts\/320"}],"collection":[{"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/comments?post=320"}],"version-history":[{"count":2,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/posts\/320\/revisions"}],"predecessor-version":[{"id":322,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/posts\/320\/revisions\/322"}],"wp:attachment":[{"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/media?parent=320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/categories?post=320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/maritimesa.org\/nautical-science-grade-11\/wp-json\/wp\/v2\/tags?post=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}