{"id":3350,"date":"2013-02-19T17:47:37","date_gmt":"2013-02-19T23:47:37","guid":{"rendered":"http:\/\/w0ep.us\/OM\/?p=3350"},"modified":"2013-02-19T17:52:46","modified_gmt":"2013-02-19T23:52:46","slug":"sdr","status":"publish","type":"post","link":"http:\/\/w0ep.us\/OM\/?p=3350","title":{"rendered":"SDR"},"content":{"rendered":"<p>[Today&#8217;s run: rest day]<\/p>\n<p>I don&#8217;t remember if I have written about this before.<\/p>\n<p>The January QST magazine had an interesting article about using a PAL TV USB device as a general software defined radio.\u00a0 I bought one of the things from ebay and have been playing around with it.\u00a0 I think the thing cost something like $25.<\/p>\n<p>I am running the software also discussed in the magazine article called SDR#.\u00a0\u00a0 The software will demodulate AM\/SSB\/FM.\u00a0 Adjustments can be made to filter width, AGC and other stuff.\u00a0 And it has a way of putting stations in memories.\u00a0 Here I am listening to the public radio station.\u00a0 You can see blockish sidebands on the signal and I believe those are the digital radio second-signal.\u00a0 I don&#8217;t know if there is any way of demodulating that from this software.<\/p>\n<p>I hooked this up to my dipole\/G5RV antenna and it pulls in a lot of local FM stations and goes through the ham bands and public service radio bands too.<\/p>\n<p>It definitely is colorful.<\/p>\n<p><a href=\"http:\/\/w0ep.us\/OM\/?attachment_id=3351\" rel=\"attachment wp-att-3351\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-3351\" alt=\"SDR\" src=\"http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2013\/02\/SDR-700x656.jpg\" width=\"700\" height=\"656\" srcset=\"http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2013\/02\/SDR-700x656.jpg 700w, http:\/\/w0ep.us\/OM\/wp-content\/uploads\/2013\/02\/SDR.jpg 973w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[Today&#8217;s run: rest day] I don&#8217;t remember if I have written about this before. The January QST magazine had an interesting article about using a PAL TV USB device as a general software defined radio.\u00a0 I bought one of the things from ebay and have been playing around with it.\u00a0 I think the thing cost [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3350","post","type-post","status-publish","format-standard","hentry","category-ham-radio"],"_links":{"self":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/3350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3350"}],"version-history":[{"count":4,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/3350\/revisions"}],"predecessor-version":[{"id":3355,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=\/wp\/v2\/posts\/3350\/revisions\/3355"}],"wp:attachment":[{"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3350"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w0ep.us\/OM\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}