{"id":10211,"date":"2014-05-23T11:07:42","date_gmt":"2014-05-23T11:07:42","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=10211"},"modified":"2022-05-19T10:54:00","modified_gmt":"2022-05-19T09:54:00","slug":"radcom-june-2014-vol-90-6","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/publications\/radcom\/2014\/05\/23\/radcom-june-2014-vol-90-6\/","title":{"rendered":"RadCom June 2014, Vol. 90, No. 6"},"content":{"rendered":"<blockquote>\n<h4><strong>THIS EDITION IS TEMPORARILY UNAVAILABLE ONLINE<\/strong><\/h4>\n<h4>We apologise for any disappointment<\/h4>\n<h4>This edition is currently being converted to our HTML5 online viewer, which will bring enhanced readability, download speed and picture quality<\/h4>\n<\/blockquote>\n<p><a href=\"#5450\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6156 alignright\" title=\"Click the cover to read RadCom online\" src=\"https:\/\/thersgb.org\/images\/radcom\/covers\/2014\/June-2014.png\" alt=\"Cover of June 2014 RadCom - The recent TX6G DXpedition received many plaudits for the standard of operating, read the full story. Image: Hilary Claytonsmith, G4JKS\" width=\"198\" height=\"280\" \/><\/a><\/p>\n<h2>News and Reports<\/h2>\n<p><strong>6 RSGB Matters<\/strong><br \/>\nIncluding the new President encouraging Members to get involved, Ofcom plans for two of the GHz bands, the latest on 70cm beacons, volunteer vacancies, the new Regional Managers, QSL Matters and Congratulations<br \/>\n<strong>10 Our Changing Hobby<\/strong><br \/>\nThe General Manager answers one Member\u2019s questions on youth in the hobby and what the Society is doing to encourage them<br \/>\n<strong>12 News<\/strong><br \/>\nAll the amateur radio news<br \/>\n<strong>12 The AGM 2014<\/strong><br \/>\nDetails on the AGM votes, awards and trophies that were presented<br \/>\n<strong>84 Around Your Region<\/strong><br \/>\nClub news and planned events around the country<\/p>\n<h2>Read this edition online<\/h2>\n<p>You will need your RSGB membership login, follow the link below or click the cover image to your right.<\/p>\n<ul>\n<li><a href=\"#5450\" target=\"_blank\" rel=\"noopener\">RadCom June 2014, Vol. 90, No. 6<\/a><\/li>\n<\/ul>\n<h2>Features<\/h2>\n<p><strong>32 Amateur Radio, Philippines-style<\/strong><br \/>\nSimon Dabbs, G4GFN\/DU9AQQ tells how amateur radio helped in the Philippines when typhoon Haiyan struck the islands<br \/>\n<strong>57 TX6G\u2014Raivavae\u2014Austral Islands<\/strong><br \/>\nThe recent, highly successful, DXpedition to southern French Polynesia described by one of the participants, Don Beattie, G3BJ<br \/>\n<strong>26 Getting started in\u2026<\/strong><br \/>\nRichard Marshall, G4ERP shows you what you need to know about going mobile in part one of this article<br \/>\n<strong>80 Amateur Radio in South Africa<\/strong><br \/>\nJeff Harris, G3LWM looks at the differences and similarities in the hobby between the two countries<\/p>\n<h2>Reviews<\/h2>\n<p><strong>78 Book Review<\/strong><br \/>\nThe 50th Anniversary IOTA Directory plus a look at covert radio and signals interception with Giles Read, G1MFG<\/p>\n<h2>Technical Features<\/h2>\n<p><strong>16 Over the horizon at 481THz<\/strong><br \/>\nRoger Lapthorn, G3XBM explains optical frequency DXing via clear air scattering<br \/>\n<strong>20 Modifying surplus 13cm linear amplifiers<\/strong><br \/>\nA team effort yields excellent low cost power says Stuart Wisher, G8GXW<br \/>\n<strong>38 A new design of broadband HF vertical antenna<\/strong><br \/>\nThis second and final part describes the practical design of Martin Ehrenfried, G8JNJ\u2019s novel and successful antenna<br \/>\n<strong>44 Homebrew<\/strong><br \/>\nMixing and switching for the low bands transceiver by Eamon Skelton, EI9GQ<br \/>\n<strong>55 EMC<\/strong><br \/>\nDr David Lauder, G0SNO looks at measuring field strength, noise levels and using loops for measurements<br \/>\n<strong>72 Design Notes<\/strong><br \/>\nAndy Talbot, G4JNT talks about third method SSB, smartphone audio interfacing and using a mixer for gain control<\/p>\n<h2>Regulars<\/h2>\n<p>91 Advertisers index<br \/>\n36 Antennas, Peter Dodd, G3LDO<br \/>\n48 Data, Andy Talbot, G4JNT<br \/>\n70 GHz, Dr John Worsnop, G4BAO<br \/>\n64 HF, Martin Atherton, G3ZAY<br \/>\n62 LF, Dave Pick, G3YXM<br \/>\n82 Propagation, Gwyn Williams, G4KFH<br \/>\n24 QRP, Rev George Dobbs, G3RJV<br \/>\n92 Members\u2019 Ads, Rallies and Events, Silent Keys and Special Event stations<br \/>\n74 Sport Radio, Steve White, G3ZVW<br \/>\n96 The Last Word<br \/>\n66 VHF\/UHF, Richard Staples, G4HGI<\/p>\n","protected":false},"excerpt":{"rendered":"<p>THIS EDITION IS TEMPORARILY UNAVAILABLE ONLINE We apologise for any disappointment This edition is currently being converted to our HTML5 online viewer, which will bring enhanced readability, download speed and picture quality News and Reports 6 RSGB Matters Including the new President encouraging Members to get involved, Ofcom plans for two of the GHz bands, [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-10211","post","type-post","status-publish","format-standard","hentry","category-radcom"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/10211","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=10211"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/10211\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=10211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=10211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=10211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}