{"id":12435,"date":"2015-04-30T12:44:08","date_gmt":"2015-04-30T12:44:08","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=12435"},"modified":"2022-05-31T15:03:24","modified_gmt":"2022-05-31T14:03:24","slug":"radcom-plus-vol-1-1","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/radcom-plus\/2015\/04\/30\/radcom-plus-vol-1-1\/","title":{"rendered":"RadCom Plus, Vol. 1, No. 1"},"content":{"rendered":"<p><a href=\"https:\/\/rsgbmembers.services\/login?id=5564\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6156 alignright\" title=\"To read this edition, tap or click here\" src=\"https:\/\/thersgb.org\/images\/radcom_plus\/issue-1-cover-200px.png\" alt=\"Cover image: The Dual Z-match for 1.8 to 146MHz. Photo courtesy of Bob, G3OOU.\" width=\"198\" height=\"280\" \/><\/a><\/p>\n<p><em><strong>To read this edition, tap or click cover image <\/strong><\/em><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-21653\" src=\"https:\/\/rsgb.org\/main\/files\/2019\/01\/key-icon.png\" alt=\"Membership Services login required to access this resource\" width=\"17\" height=\"17\" border=\"0\" \/><\/strong><\/p>\n<h3>Contents<\/h3>\n<p><strong>4 The DG8<\/strong><br \/>\nIan White, GM3SEK builds a low-cost, high performance masthead preamp for 2m that uses a novel method of Tx\/Rx switching<br \/>\n<strong>12 Building a Dual Z-Match<\/strong><br \/>\nCovering 1.8MHz to 146MHz, Bob Burns, G3OOU designed this wide frequency range dual Z-Match for use with his stub loaded multiband dipole<br \/>\n<strong>22 Examining Sporadic E<\/strong><br \/>\nDr Chris Barnes, GW4BZD researches new methods for predicting the start of the UK sporadic E season<br \/>\n<strong>32 High performance common-modes chokes<\/strong><br \/>\nA detailed explanation of a much misunderstood component from Steve Hunt, G3TXQ<br \/>\n<strong>40 Screening<\/strong><br \/>\nPeter Chadwick, G3RZP looks at screening to stop stages interacting and oscillating, or to stop unwanted radiation<br \/>\n<strong>44 A versatile PLL PC board design<\/strong><br \/>\nA project from Brian Flynn, GM8BJF that can be used to provide accurate, stable frequency source<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To read this edition, tap or click cover image Contents 4 The DG8 Ian White, GM3SEK builds a low-cost, high performance masthead preamp for 2m that uses a novel method of Tx\/Rx switching 12 Building a Dual Z-Match Covering 1.8MHz to 146MHz, Bob Burns, G3OOU designed this wide frequency range dual Z-Match for use with [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[279],"tags":[],"class_list":["post-12435","post","type-post","status-publish","format-standard","hentry","category-radcom-plus"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/12435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/comments?post=12435"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/12435\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=12435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=12435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=12435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}