{"id":3552,"date":"2020-05-31T22:28:53","date_gmt":"2020-05-31T21:28:53","guid":{"rendered":"http:\/\/www.dj5ar.de\/?p=3552"},"modified":"2020-05-31T22:29:32","modified_gmt":"2020-05-31T21:29:32","slug":"going-for-the-hydrogen-line","status":"publish","type":"post","link":"https:\/\/dj5ar.de\/?p=3552","title":{"rendered":"Going for the Hydrogen Line"},"content":{"rendered":"\n<p><strong>May 31st, 2020<\/strong><\/p>\n\n\n\n<p>I have been curious about everything about the hydrogen line for quite a while. So at least I mounted a feed for 1.4 GHz in my 3 m dish, installed a LNA at the feed, as well as a Pluto SDR and SDR# with the IF-Average plugin. First steps are very promising, as I saw something, when beaming to Cassiopeia and Swan.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1012\" height=\"634\" src=\"https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_18_21-2020-05-31-08_06_11-IF-Average-Window-Kassiopeia-marked.png\" alt=\"\" class=\"wp-image-3554\" srcset=\"https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_18_21-2020-05-31-08_06_11-IF-Average-Window-Kassiopeia-marked.png 1012w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_18_21-2020-05-31-08_06_11-IF-Average-Window-Kassiopeia-marked-300x188.png 300w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_18_21-2020-05-31-08_06_11-IF-Average-Window-Kassiopeia-marked-768x481.png 768w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_18_21-2020-05-31-08_06_11-IF-Average-Window-Kassiopeia-marked-624x391.png 624w\" sizes=\"auto, (max-width: 1012px) 100vw, 1012px\" \/><figcaption><strong>Cassiopeia<\/strong><br><br><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1012\" height=\"634\" src=\"https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_21_28-2020-05-31-08_06_11-IF-Average-Window-Schwan-marked.png\" alt=\"\" class=\"wp-image-3555\" srcset=\"https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_21_28-2020-05-31-08_06_11-IF-Average-Window-Schwan-marked.png 1012w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_21_28-2020-05-31-08_06_11-IF-Average-Window-Schwan-marked-300x188.png 300w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_21_28-2020-05-31-08_06_11-IF-Average-Window-Schwan-marked-768x481.png 768w, https:\/\/dj5ar.de\/wp-content\/uploads\/2020\/05\/2020-05-31-23_21_28-2020-05-31-08_06_11-IF-Average-Window-Schwan-marked-624x391.png 624w\" sizes=\"auto, (max-width: 1012px) 100vw, 1012px\" \/><figcaption><strong>Swan<\/strong><\/figcaption><\/figure>\n\n\n\n<p>Due to the doppler shifted signals the lines are smeared (red marks). The spikes seen, are just interferences.<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>May 31st, 2020 I have been curious about everything about the hydrogen line for quite a while. So at least I mounted a feed for 1.4 GHz in my 3 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[192],"tags":[],"class_list":["post-3552","post","type-post","status-publish","format-standard","hentry","category-radio-astronomy"],"_links":{"self":[{"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/posts\/3552","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dj5ar.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3552"}],"version-history":[{"count":2,"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/posts\/3552\/revisions"}],"predecessor-version":[{"id":3557,"href":"https:\/\/dj5ar.de\/index.php?rest_route=\/wp\/v2\/posts\/3552\/revisions\/3557"}],"wp:attachment":[{"href":"https:\/\/dj5ar.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dj5ar.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dj5ar.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}