{"id":2383,"date":"2012-01-10T12:54:34","date_gmt":"2012-01-10T17:54:34","guid":{"rendered":"http:\/\/starlightcascade.ca\/blog\/?p=2383"},"modified":"2012-01-10T13:03:21","modified_gmt":"2012-01-10T18:03:21","slug":"radiojove","status":"publish","type":"post","link":"https:\/\/starlightcascade.ca\/blog\/2012\/01\/radiojove\/","title":{"rendered":"Radiojove"},"content":{"rendered":"<p><a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/01\/20100731-43.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/01\/20100731-43-299x219.jpg\" alt=\"\" title=\"20100731-43\" width=\"299\" height=\"219\" class=\"alignleft size-medium wp-image-2376\" srcset=\"https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/01\/20100731-43-299x219.jpg 299w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/01\/20100731-43-150x110.jpg 150w, https:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2012\/01\/20100731-43.jpg 970w\" sizes=\"auto, (max-width: 299px) 100vw, 299px\" \/><\/A><br \/>\nWe attached a UPS to the radiojove system last night (netbook data recorder only, first), only to have the external netbook power supply fail and 7 hours after that the battery was drained and it shut down.<br \/>\nOnce that gets fixed, we&#8217;ll attach the radiojove receiver as well and all will be good.<\/p>\n<p>Jupiters declination in mid 2010 (when we assembled the antennas) is approx 0 degrees and is increasing. It&#8217;s elevation based on our latitude of approx 45 degrees will be approx 45 degrees and increasing.<\/p>\n<p>The optimum antenna height above ground for 40-55 degrees is 15&#8242;, so we assembled the mast for that height.<\/p>\n<p>JEA=JupiterElevationAngle; AH=AntennaHeight<br \/>\n2010 Jul1 JEA=45deg AH=15&#8242;<br \/>\n2011 Jan1 JEA=43deg AH=15&#8242;<br \/>\n2011 Jul1 JEA=56deg AH=10&#8242;<br \/>\n2012 Jan1 JEA=55deg AH=15&#8242;<br \/>\n2012 Jul1 JEA=65deg AH=10&#8242;<br \/>\n2013 Jan1 JEA=65deg AH=10&#8242;<\/p>\n<p>It looks like it is time this spring to lower the antennas down from 15&#8242; to 10&#8242;<br \/>\n<a href=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2011\/12\/jupiter.gif\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/starlightcascade.ca\/blog\/wp-content\/uploads\/2011\/12\/jupiter.gif\" alt=\"\" title=\"jupiter\" width=\"200\" height=\"200\" class=\"alignleft size-full wp-image-2330\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We attached a UPS to the radiojove system last night (netbook data recorder only, first), only to have the external netbook power supply fail and 7 hours after that the battery was drained and it shut down. Once that gets fixed, we&#8217;ll attach the radiojove receiver as well and all will be good. Jupiters declination [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,15],"tags":[],"class_list":["post-2383","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-tech"],"_links":{"self":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/2383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/comments?post=2383"}],"version-history":[{"count":0,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/posts\/2383\/revisions"}],"wp:attachment":[{"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/media?parent=2383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/categories?post=2383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/starlightcascade.ca\/blog\/wp-json\/wp\/v2\/tags?post=2383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}