{"id":12527,"date":"2015-05-22T01:00:21","date_gmt":"2015-05-22T01:00:21","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=12527"},"modified":"2022-05-19T10:47:52","modified_gmt":"2022-05-19T09:47:52","slug":"radcom-june-2015-vol-91-6","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/publications\/radcom\/2015\/05\/22\/radcom-june-2015-vol-91-6\/","title":{"rendered":"RadCom June 2015, Vol. 91, 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=\"#5568\" 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\/2015\/June-2015.png\" alt=\"Cover of June 2015 RadCom - Cover image: Soldering surface mount components using traditional techniques. Photo by Mike Richards, G4WNC.\" width=\"200\" height=\"283\" \/><\/a><\/p>\n<h2>News and Reports<\/h2>\n<p><strong>6 RSGB Matters<\/strong><br \/>\nRecognising and encouraging volunteers, new <em>RadCom Plus<\/em> online technical supplement launched for Members, New Joiners, 50 years of reciprocal licencing, Regional Manager and DRM changes, RSGB AGM awards, new RSGB Awards<br \/>\nManager, Club of the Year result, QSL matters, RSGB Photo Archive, promoting amateur radio, new Twitter name, Nepal earthquake, Certificate of Appreciation, congratulations,joiners and rejoiners<br \/>\n<strong>14 News<\/strong><br \/>\nAll the amateur radio news<br \/>\n<strong>17 New Products<\/strong><br \/>\nExciting new products we\u2019ve heard about this month<br \/>\n<strong>81 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 Services login, follow the link below or click the cover image to your right.<\/p>\n<ul>\n<li><a href=\"#5568\" target=\"_blank\" rel=\"noopener\">RadCom June 2015, Vol. 91, No. 6<\/a><\/li>\n<\/ul>\n<h2>Features<\/h2>\n<p><strong>42 Coming back to amateur radio<\/strong><br \/>\nDr Gerard Bulger, G3WIP\/VK0GB\/VK4BGL describes how he got bitten by the amateur radio bug again, just in time for a working trip to Antarctica<br \/>\n<strong>60 RSGB Convention and Hamfest<\/strong><br \/>\nA look forward to the biggest events of the year<br \/>\n<strong>72 Experiencing the total solar eclipse<\/strong><br \/>\nHow Michael Knowles, 2E0EVA sailed from Southampton in search of totality<br \/>\n<strong>80 GB2RN on HMS Belfast<\/strong><br \/>\nA visit to the Royal Navy Amateur Radio Society (Affiliated) London (HMS Belfast) Group by Giles Read, G1MFG<\/p>\n<h2>Reviews<\/h2>\n<p><strong>27 Book review<\/strong><br \/>\n<em>Getting Started in Amateur Radio<\/em> and <em>Oscilloscopes for Radio Amateurs<\/em> examined by Giles Read, G1MFG<br \/>\n<strong>44 Heil Pro 7 communications headset<\/strong><br \/>\nThe received audio is superb and Tx audio reports were very complimentary indeed, writes Steve Nichols, G0KYA<\/p>\n<h2>Technical Features<\/h2>\n<p><strong>18 Homebrew<\/strong><br \/>\nMore on the high quality single band 10m transceiver with Eamon Skelton, EI9GQ<br \/>\n<strong>22 Eclipse propagation<\/strong><br \/>\nSteve Nichols, G0KYA explains the valuable propagation data yielded by the partial eclipse of March 2015<br \/>\n<strong>30 6m Sporadic-E<\/strong><br \/>\nA look at some of the questions surrounding Sporadic-E by Steve Nichols, G0KYA and Jim Bacon, G3YLA<br \/>\n<strong>34 A stub loaded dipole covering 1.8-146MHz<\/strong><br \/>\nIn a companion article to one in <em>RadCom Plus,<\/em> Bob Burns, G3OOU describes his wire antenna system that covers Top Band to 2m<br \/>\n<strong>40 Design notes<\/strong><br \/>\nAndy Talbot, G4JNT looks at A DIY SDR platform, fiddly but rewarding homebrew with a ball grid array \u2018package\u2019, LED multiplexing and old GPSs failing<br \/>\n<strong>46 EMC<\/strong><br \/>\nInterference from LED lighting, PSUs and a cordless phone system described by Dr David Lauder, G0SNO<br \/>\n<strong>48 Moving On<\/strong><br \/>\nJohn Welsh, G0NVZ looks at the thyristor<br \/>\n<strong>56 Metallurgy for the radio amateur<\/strong><br \/>\nKnowing even just a little about the metals we use can be very useful, as Dave Malley, K1NYK explains<br \/>\n<strong>70 Data<\/strong><br \/>\nAndy Talbot, G4JNT looks at how correlation techniques can dig signals out of the noise<\/p>\n<h2>Regulars<\/h2>\n<p>91 Advertisers&#8217; index<br \/>\n54 Antennas, Peter Dodd, G3LDO<br \/>\n68 GHz, Sam Jewell, G4DDK<br \/>\n64 HF, Martin Atherton, G3ZAY<br \/>\n63 LF, Dave Pick, G3YXM<br \/>\n95 Propagation, Gwyn Williams, G4KFH<br \/>\n74 QRP, Rev. George Dobbs, G3RJV<br \/>\n92 Members\u2019 Ads, Rallies and Events, Silent Keys, Special Event Stations<br \/>\n76 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 Recognising and encouraging volunteers, new RadCom Plus online technical supplement launched for Members, New Joiners, 50 years [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[274,30],"tags":[],"class_list":["post-12527","post","type-post","status-publish","format-standard","hentry","category-front-page-news","category-radcom"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/12527","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=12527"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/12527\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=12527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=12527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=12527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}