{"id":17762,"date":"2026-08-10T20:53:29","date_gmt":"2026-08-10T15:23:29","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=17762"},"modified":"2026-08-10T20:53:30","modified_gmt":"2026-08-10T15:23:30","slug":"checking-out-powersdr-in-my-lmr-sdr-1-1","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/checking-out-powersdr-in-my-lmr-sdr-1-1\/","title":{"rendered":"Checking out PowerSDR in my LMR SDR 1.1"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/YCMAffJtclc?si=VdDPpagiFDXNx3yt\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\n<p class=\"wp-block-paragraph\">I had mentioned about &#8216;servicing&#8217; my decade old desktop computer by blowing air using a blower some time back. Now the system is fairly stable and I was able to test my homebrew LMR SDR 1.1 board. Got help from VU3AVE in learning the various controls in PowerSDR 2.8.0 which I had installed in my computer some time back when I homebrewed the LMR SDR 1.1. Here I am walking through the various controls both for the benefit of the viewers who are likely to homebrew LMR SDR 1.1 and also for documentation for my own future reference! Short video clip of Air Net India can be seen. Frequency calibration has not been done yet and it will explain the frequency offset.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I had mentioned about &#8216;servicing&#8217; my decade old desktop computer by blowing air using a blower some time back. Now the system is fairly stable and I was able to test my homebrew LMR SDR 1.1 board. Got help from VU3AVE in learning the various controls in PowerSDR 2.8.0 which I had installed in my [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17763,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-17762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amateur-radio-ham-radio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Checking out PowerSDR in my LMR SDR 1.1 - Johnson&#039;s Techworld<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/johnsonfrancis.org\/techworld\/checking-out-powersdr-in-my-lmr-sdr-1-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Checking out PowerSDR in my LMR SDR 1.1 - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"I had mentioned about &#8216;servicing&#8217; my decade old desktop computer by blowing air using a blower some time back. Now the system is fairly stable and I was able to test my homebrew LMR SDR 1.1 board. 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