{"id":23492,"date":"2019-10-30T10:00:06","date_gmt":"2019-10-30T10:00:06","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=23492"},"modified":"2022-05-31T14:58:59","modified_gmt":"2022-05-31T13:58:59","slug":"radcom-plus-vol-4-no-1","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/front-page-news\/2019\/10\/30\/radcom-plus-vol-4-no-1\/","title":{"rendered":"RadCom Plus, Vol. 4, No. 1"},"content":{"rendered":"<p><a href=\"https:\/\/rsgbmembers.services\/login?id=5818\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-23494 size-full\" title=\"To read this edition, tap or click here\" src=\"https:\/\/rsgb.org\/main\/files\/2019\/10\/issue-6-cover-200px-1.png\" alt=\"\" width=\"200\" height=\"283\" srcset=\"https:\/\/rsgb.org\/main\/files\/2019\/10\/issue-6-cover-200px-1.png 200w, https:\/\/rsgb.org\/main\/files\/2019\/10\/issue-6-cover-200px-1-106x150.png 106w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a><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>3 VnArduino<\/strong><br \/>\nAn Arduino VNA: vector network analyzer<\/p>\n<p><strong>11 The pros and cons of multiband inverted-V antennas<\/strong><br \/>\nInvestigates the radiation performance of multiband antennas when deployed in horizontal or inverted-V configurations<\/p>\n<p><strong>16 A single frequency repeater<\/strong><br \/>\nSimultaneous FM Tx + Rx at VHF, as first demonstrated nearly 40 years ago, is being revived for amateur use<\/p>\n<p><strong>24 Another look at transmission lines<\/strong><br \/>\nEvidence our common understanding of some very familiar transmission lines is incorrect, and that in practice, they do not operate as expected<\/p>\n<p><strong>35 SA3000<\/strong><br \/>\nA Homemade yet accurate 100kHz to 3GHz spectrum analyser, good up to 20GHz<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To read this edition, tap or click cover image Contents 3 VnArduino An Arduino VNA: vector network analyzer 11 The pros and cons of multiband inverted-V antennas Investigates the radiation performance of multiband antennas when deployed in horizontal or inverted-V configurations 16 A single frequency repeater Simultaneous FM Tx + Rx at VHF, as first [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[274,279],"tags":[],"class_list":["post-23492","post","type-post","status-publish","format-standard","hentry","category-front-page-news","category-radcom-plus"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/23492","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=23492"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/23492\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=23492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=23492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=23492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}