{"id":16895,"date":"2026-04-18T09:07:39","date_gmt":"2026-04-18T03:37:39","guid":{"rendered":"https:\/\/johnsonfrancis.org\/techworld\/?p=16895"},"modified":"2026-04-18T09:07:40","modified_gmt":"2026-04-18T03:37:40","slug":"lmr-sdr-11-nearing-completion","status":"publish","type":"post","link":"https:\/\/johnsonfrancis.org\/techworld\/lmr-sdr-11-nearing-completion\/","title":{"rendered":"LMR SDR 1:1 Nearing Completion"},"content":{"rendered":"<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/oqknhHxvyUo?si=-68EzKQVQNIX5AUP\" 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\">All the resistors, capacitors and inductors have been mounted. Five integrated circuits on this side, 7809 regulator IC, 1N4148 diodes, 5V Zener diodes and all the relays have been installed. On the reverse side Si5351 came preinstalled and there are a couple of SMD regulator ICs which I installed. What remains are the Arduino Nano, display and connections to the computer. Finally the softwares needed will have to be installed in the computer and the Arduino Nano.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>All the resistors, capacitors and inductors have been mounted. Five integrated circuits on this side, 7809 regulator IC, 1N4148 diodes, 5V Zener diodes and all the relays have been installed. On the reverse side Si5351 came preinstalled and there are a couple of SMD regulator ICs which I installed. What remains are the Arduino Nano, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":16896,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-16895","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 v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LMR SDR 1:1 Nearing Completion - 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\/lmr-sdr-11-nearing-completion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LMR SDR 1:1 Nearing Completion - Johnson&#039;s Techworld\" \/>\n<meta property=\"og:description\" content=\"All the resistors, capacitors and inductors have been mounted. 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Originally licensed as VU2JFP with Grade 1 license in 1985. Upgraded to Advanced Grade in 1988 and was allotted new callsign to VU2JO\",\"sameAs\":[\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\",\"https:\\\/\\\/www.youtube.com\\\/@johnsonstechworld\\\/\"],\"url\":\"https:\\\/\\\/johnsonfrancis.org\\\/techworld\\\/author\\\/jf\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"LMR SDR 1:1 Nearing Completion - Johnson&#039;s Techworld","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/johnsonfrancis.org\/techworld\/lmr-sdr-11-nearing-completion\/","og_locale":"en_US","og_type":"article","og_title":"LMR SDR 1:1 Nearing Completion - Johnson&#039;s Techworld","og_description":"All the resistors, capacitors and inductors have been mounted. 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