{"id":163,"date":"2013-10-25T16:53:20","date_gmt":"2013-10-25T15:53:20","guid":{"rendered":"http:\/\/www.eb3frn.net\/?p=163"},"modified":"2013-12-06T21:14:52","modified_gmt":"2013-12-06T20:14:52","slug":"rtlsdr-coherence-setup","status":"publish","type":"post","link":"https:\/\/www.eb3frn.net\/?p=163","title":{"rendered":"RTLSDR Coherence setup"},"content":{"rendered":"<p>After the nice videos that <a title=\"Juha Home Page\" href=\"http:\/\/www.sgo.fi\/~j\/\" target=\"_blank\">Juha Vierinen<\/a> has shared, looks that some people is interested in use multiple rtlsdr coherent for radar applications for example. I&#8217;m starting my experiments with this setup:<\/p>\n<div id=\"attachment_164\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347.jpg\"><img aria-describedby=\"caption-attachment-164\" data-attachment-id=\"164\" data-permalink=\"https:\/\/www.eb3frn.net\/?attachment_id=164\" data-orig-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347.jpg\" data-orig-size=\"4896,3672\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;3.5&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;DSC-WX200&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1382721473&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;5.95&quot;,&quot;iso&quot;:&quot;160&quot;,&quot;shutter_speed&quot;:&quot;0.025&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"RTLSDR Cohernt setup\" data-image-description=\"&lt;p&gt;RTLSDR Cohernt setup&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;RTLSDR Cohernt setup&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-300x225.jpg\" data-large-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-1024x768.jpg\" loading=\"lazy\" class=\"size-medium wp-image-164\" alt=\"RTLSDR Cohernt setup\" src=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-300x225.jpg\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-300x225.jpg 300w, https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-1024x768.jpg 1024w, https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00347-624x467.jpg 624w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-164\" class=\"wp-caption-text\">RTLSDR Cohernt setup<\/p><\/div>\n<p>My setup consist in two rtlsdr dongles with r820t tunner with the xtal removed, connected to a PTS-160 Synthsesizer tunned at 28.8 MHz and locked to 10 MHz GPS reference.<\/p>\n<div id=\"attachment_169\" style=\"width: 235px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a.jpg\"><img aria-describedby=\"caption-attachment-169\" data-attachment-id=\"169\" data-permalink=\"https:\/\/www.eb3frn.net\/?attachment_id=169\" data-orig-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a.jpg\" data-orig-size=\"3672,4896\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;3.3&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;DSC-WX200&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1382721519&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.45&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.0333333333333&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"SDR &#038; RadioAstronomy rack\" data-image-description=\"&lt;p&gt;SDR &#038; RadioAstronomy rack&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;SDR &#038; RadioAstronomy rack&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-225x300.jpg\" data-large-file=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-768x1024.jpg\" loading=\"lazy\" class=\"size-medium wp-image-169\" alt=\"SDR &amp; RadioAstronomy rack\" src=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-225x300.jpg 225w, https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-768x1024.jpg 768w, https:\/\/www.eb3frn.net\/wp-content\/uploads\/2013\/10\/DSC00349a-624x832.jpg 624w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/a><p id=\"caption-attachment-169\" class=\"wp-caption-text\">SDR &amp; RadioAstronomy rack<\/p><\/div>\n<p>With coherence using radar mehtods, you can get cool images like:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"625\" height=\"352\" src=\"https:\/\/www.youtube.com\/embed\/V9gRjK2ZlzE?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation\"><\/iframe><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After the nice videos that Juha Vierinen has shared, looks that some people is interested in use multiple rtlsdr coherent for radar applications for example. I&#8217;m starting my experiments with this setup: My setup consist in two rtlsdr dongles with r820t tunner with the xtal removed, connected to a PTS-160 Synthsesizer tunned at 28.8 MHz [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1,6,7,3],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p31CYx-2D","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/posts\/163"}],"collection":[{"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=163"}],"version-history":[{"count":5,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/posts\/163\/revisions"}],"predecessor-version":[{"id":183,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=\/wp\/v2\/posts\/163\/revisions\/183"}],"wp:attachment":[{"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.eb3frn.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}