{"id":5433,"date":"2013-09-20T14:55:42","date_gmt":"2013-09-20T18:55:42","guid":{"rendered":"http:\/\/spinor.info\/weblog\/?p=5433"},"modified":"2013-09-20T14:55:42","modified_gmt":"2013-09-20T18:55:42","slug":"the-worlds-first-parabolic-radio-telescope","status":"publish","type":"post","link":"https:\/\/spinor.info\/weblog\/?p=5433","title":{"rendered":"The world&#8217;s first parabolic radio telescope"},"content":{"rendered":"<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Grote_Reber\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-5434\" alt=\"Grote_Antenna_Wheaton\" src=\"http:\/\/spinor.info\/weblog\/wp-content\/uploads\/2013\/09\/Grote_Antenna_Wheaton-238x300.gif\" width=\"143\" height=\"180\" \/><\/a>The world&#8217;s first parabolic radio telescope was, astonishingly, built in someone&#8217;s back yard.<\/p>\n<p>I am reading about the radio telescope of American amateur radio enthusiast and amateur astronomer <a href=\"https:\/\/en.wikipedia.org\/wiki\/Grote_Reber\">Grote Reber<\/a>.<\/p>\n<p>In 1937, Reber built a 9-meter parabolic reflector in his family&#8217;s back yard.<\/p>\n<p>Reber was the first to make a systematic survey of the radio sky, not only confirming Jansky&#8217;s earlier, pioneering discovery of radio waves from the Milky Way but also discovering radio sources such as Cygnus X-1 and Cassiopeia A.<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/www.nrao.edu\/whatisra\/hist_reber.shtml\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5435 aligncenter\" alt=\"grote5\" src=\"http:\/\/spinor.info\/weblog\/wp-content\/uploads\/2013\/09\/grote5.gif\" width=\"614\" height=\"314\" \/><\/a><\/p>\n<p>For nearly a decade, Reber was the only person in the world doing radio astronomy.<\/p>\n<p>Reber had a long life. He spent his final years in Tasmania, one of the few places on Earth where occasionally, very low frequency radio waves penetrate the ionosphere and are detectable by a ground-based antenna.<\/p>\n<fb:like href='https:\/\/spinor.info\/weblog\/?p=5433' send='true' layout='standard' show_faces='true' width='450' height='65' action='like' colorscheme='light' font='lucida grande'><\/fb:like>","protected":false},"excerpt":{"rendered":"<p>The world&#8217;s first parabolic radio telescope was, astonishingly, built in someone&#8217;s back yard. I am reading about the radio telescope of American amateur radio enthusiast and amateur astronomer Grote Reber. In 1937, Reber built a 9-meter parabolic reflector in his family&#8217;s back yard. Reber was the first to make a systematic survey of the radio <a href='https:\/\/spinor.info\/weblog\/?p=5433' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,25],"tags":[],"class_list":["post-5433","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-history","category-20-id","category-25-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/5433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5433"}],"version-history":[{"count":3,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/5433\/revisions"}],"predecessor-version":[{"id":5438,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/5433\/revisions\/5438"}],"wp:attachment":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}