{"id":47997,"date":"2006-09-17T19:01:35","date_gmt":"2006-09-17T19:01:35","guid":{"rendered":"https:\/\/tmackinnon.com\/?p=47997"},"modified":"2018-12-17T19:03:08","modified_gmt":"2018-12-17T19:03:08","slug":"solar-elevation-angle-calculators","status":"publish","type":"post","link":"https:\/\/tmackinnon.com\/solar-elevation-angle-calculators.php","title":{"rendered":"Solar Elevation Angle Calculators"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-coovaw4-5b6aaa91f0dbad99189a620e7df30b18\">\n.avia-section.av-coovaw4-5b6aaa91f0dbad99189a620e7df30b18 .av-parallax .av-parallax-inner{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/tmackinnon.com\/wp-content\/uploads\/blue-marble-sunrise.jpg);\nbackground-position:50% 100%;\nbackground-attachment:scroll;\n}\n.avia-section.av-coovaw4-5b6aaa91f0dbad99189a620e7df30b18 .av-section-color-overlay{\nopacity:0.7;\nbackground-color:#7d6f4f;\n}\n<\/style>\n<div 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blockquote classic-quote  avia-builder-el-7  el_before_av_textblock  avia-builder-el-first '><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Geo Tools: Solar Elevation Angle Calculators<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-7oxg70k-b09e802156a02e7dd3dc0f1d043a5b7b '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><strong>Post Your <a href=\"https:\/\/gisjobs.ca\" target=\"_blank\" rel=\"noopener nofollow\">Geo Resume<\/a> and Browse <a href=\"https:\/\/gisjobs.ca\" rel=\"nofollow noopener\" target=\"_blank\">Canadian GIS Jobs<\/a><\/strong><\/p>\n<div  class='hr av-7c9t5r8-a90fd35be1e433cd43bb1554990d9c85 hr-short  avia-builder-el-9  avia-builder-el-no-sibling  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-6ob1x1g-ccbec6a957ad0f85e376273ab59bb71a '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-47998\" src=\"https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators.jpg\" alt=\"Solar Elevation Angle Calculators\" width=\"555\" height=\"439\" title=\"\" srcset=\"https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators.jpg 1164w, https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators-300x237.jpg 300w, https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators-768x607.jpg 768w, https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators-1030x814.jpg 1030w, https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators-705x557.jpg 705w, https:\/\/tmackinnon.com\/wp-content\/uploads\/Solar-Elevation-Angle-Calculators-450x356.jpg 450w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/>The solar elevation angle is the altitude of the sun (angle between the horizon and the center of the sun). It is an important factor to consider when planning passive airborne data collection.\u00a0The minimum solar elevation allowed in missions for topographic mapping is typically 30\u00b0 from the horizon. Solar elevations will vary from place to place and the time of year.<\/p>\n<p>Since these two angles are complementary, the cosine of either one equals the sine of the other. Both can be calculated using the same formula and results from spherical trigonometry.<\/p>\n<p>When planning airborne acquisition projects, I often refer to the <a href=\"http:\/\/www.esrl.noaa.gov\/gmd\/grad\/solcalc\/\" target=\"_blank\" rel=\"noopener nofollow\">NOAA Solar Position Calculator<\/a>\u00a0 It will help you determine the Sunrise, Sunset, Solar Noon and Solar Position for Any Place on Earth.<\/p>\n<\/div><\/section><br \/>\n<section  class='av_textblock_section av-64jxs3o-a1cded74148a965488e55f0934d164d3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div  class='hr av-5pogimc-e7458b41fc158636069543deffae1af0 hr-short  avia-builder-el-12  el_before_av_hr  avia-builder-el-first  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<p style=\"text-align: center;\"><strong>Download\u00a0<a href=\"https:\/\/gisjobs.ca\" target=\"_blank\" rel=\"noopener nofollow\">Canadian OpenData<\/a>\u00a0from over 100 different Sources<\/strong><\/p>\n<div  class='hr av-5ak3w84-1580573c09af32299ccb15cdc41e52f8 hr-short  avia-builder-el-13  el_after_av_hr  avia-builder-el-last  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<\/div><\/section><\/p><\/div><section  class='av_textblock_section av-zqe69w-5735047b4d14b7eec0cbd7cd7dfe4339 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div align=\"center\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- tmackinnon-links --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: block;\" data-ad-client=\"ca-pub-4620870266094734\" data-ad-slot=\"4956701146\" data-ad-format=\"link\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/div>\n<\/div><\/section><\/p>\n<section  class='av_textblock_section av-jpogljw1-ca8882ec16295265a4c028827a3c1360 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p><a href=\"https:\/\/tmackinnon.com\/2005\/PDF\/Total-Station-basics--Introduction-to-Using-the-Leica-Total-Station.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-47945 size-medium\" src=\"https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-300x197.png\" alt=\"Total Station Basics - surveying with the Leica Total Station \" width=\"300\" height=\"197\" title=\"\" srcset=\"https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-300x197.png 300w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-768x505.png 768w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-1030x677.png 1030w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-1500x986.png 1500w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-705x463.png 705w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10-450x296.png 450w, https:\/\/tmackinnon.com\/wp-content\/uploads\/book-mockup-vol2-10.png 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h2>Total Station Basics<\/h2>\n<p>The content on this page was derived from the document titled\u00a0<em>&#8216;Introduction &amp; Simple Guide to\u00a0<\/em><em>Using the Leica Total Station&#8217;<\/em>\u00a0published by Ted MacKinnon and Jonathan Murphy in 2004\u00a0as part of\u00a0a requirement for the Applied Geomatics Research\u00a0advanced Post Graduate Diploma at COGS.<br \/>\n(In 2011 it was revised and updated). The full version of the\u00a0document can be downloaded\u00a0\u00a0<a href=\"https:\/\/tmackinnon.com\/2005\/PDF\/Total-Station-basics--Introduction-to-Using-the-Leica-Total-Station.pdf\" target=\"_blank\" rel=\"noopener\">by clicking here<\/a>.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-25sq7fo-1e2315578cbce7be5f692260b54ebc46\">\n.flex_column.av-25sq7fo-1e2315578cbce7be5f692260b54ebc46{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-25sq7fo-1e2315578cbce7be5f692260b54ebc46 av_one_full  avia-builder-el-16  el_after_av_textblock  el_before_av_heading  first flex_column_div av-zero-column-padding  column-top-margin'     ><p><div  class='av-social-sharing-box av-4oh22v-a107746cbdd13688d845e9e41d6dc253 av-social-sharing-box-minimal  avia-builder-el-17  el_before_av_textblock  avia-builder-el-first  av-social-sharing-box-fullwidth'><div class=\"av-share-box\"><h5 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