{"id":13500,"date":"2015-10-17T01:00:19","date_gmt":"2015-10-17T01:00:19","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=13500"},"modified":"2022-05-19T10:45:46","modified_gmt":"2022-05-19T09:45:46","slug":"radcom-november-2015-vol-91-no-11","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/publications\/radcom\/2015\/10\/17\/radcom-november-2015-vol-91-no-11\/","title":{"rendered":"RadCom November 2015, Vol. 91, No. 11"},"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=\"#5593\" 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\/November-2015.png\" alt=\"Cover image: The new Icom IC-7851 HF-6m transceiver reviewed by Peter Hart, G3SJX. Photo courtesy of Icom UK.\" width=\"200\" height=\"283\" \/><\/a><\/p>\n<h2>News and Reports<\/h2>\n<p><strong>6 RSGB Matters<\/strong><br \/>\nIncluding new exam changes, volunteer vacancies, RSGB publications strategy, volunteer spotlight, Around Your Region photo quality requirements, QSL matters, congratulations and welcome<br \/>\n<strong>12 News<\/strong><br \/>\nAll the amateur radio news<br \/>\n<strong>14 New Products<\/strong><br \/>\nThe latest news from the amateur and technical market<br \/>\n<strong>80 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=\"#5593\" target=\"_blank\" rel=\"noopener\">RadCom November 2015, Vol. 91, No. 11<\/a><\/li>\n<\/ul>\n<h2>Reviews<\/h2>\n<p><strong>30 MFJ-226 graphical impedance analyser<\/strong><br \/>\nA versatile portable measuring instrument reviewed by Mike Richards, G4WNC<br \/>\n<strong>36 Icom IC-7851 HF-6m transceiver<\/strong><br \/>\nPeter Hart, G3SJX is impressed: a radio for the serious enthusiast who wants nothing but the best<br \/>\n<strong>55 PK-4 Auto CW Pocket Keyer<\/strong><br \/>\nDave Cossar, GM3WIL reports on a pocket-size keyer that is ideal for portable and other uses<br \/>\n<strong>70 Book review<\/strong><br \/>\nGiles Read, G1MFG gives his verdict on the <em>ARRL Handbook 2016<\/em>, <em>ARRL Antenna Book<\/em>, <em>International Rescue Thunderbirds Agents\u2019 Technical Manual 50th Anniversary Edition<\/em> and <em>The Long Silence Falls, volume II<\/em><\/p>\n<h2>Features<\/h2>\n<p><strong>16 HF National Field Day 2015 Talbot, G4JNT<\/strong><br \/>\nA contest with a long history, writes Quin Collier, G3WRR<br \/>\n<strong>58 Lighthouses on the Air 2015<\/strong><br \/>\nElaine Richards, G4LFM brings together club reports on this year\u2019s event<\/p>\n<h2>Technical Features<\/h2>\n<p><strong>20 Testing ferrites<\/strong><br \/>\nRobert Dancy, G3JRD explores a way to examine the characteristics of unknown ferrites<br \/>\n<strong>25 Homebrew<\/strong><br \/>\nAn optical encoder for the tuning control plus AGC options for the 10m transceiver project by Eamon Skelton, EI9GQ<br \/>\n<strong>34 Moving On<\/strong><br \/>\nJohn Welsh, G0NVZ concludes his look at the importance of a good earth at the lower frequencies<br \/>\n<strong>44 160 and 630m inverted-L for suburbia, part 2<\/strong><br \/>\nConstruction notes for the W1BB-inspired LF antenna complete the article by Dr David \u2018Doc\u2019 Wescombe-Down, VK5BUG<br \/>\n<strong>56 An isolated CI-V interface<\/strong><br \/>\nDavid King, M0HVD shares his design process for a handy interface for Icom radios<br \/>\n<strong>76 Design Notes<\/strong><br \/>\nA look at SWR bridges and a practical automatic line-of-LEDS SWR and power meter by Andy Talbot, G4JNT<\/p>\n<h2>Regulars<\/h2>\n<p>91 Advertisers&#8217; index<br \/>\n68 Antennas, Peter Dodd, G3LDO<br \/>\n74 ARDF, David Williams, M3WDD<br \/>\n24 ATV, Dave Mann, G8ADM<br \/>\n66 GHz Bands, Dr John Worsnop, G4BAO<br \/>\n60 HF, Martin Atherton, G3ZAY<br \/>\n93 Members\u2019 ads, rallies and events, Silent Keys, special event stations<br \/>\n92 RSGB Contacts<br \/>\n48 Propagation, Gwyn Williams, G4KFH<br \/>\n72 Sport Radio, Steve White, G3ZVW<br \/>\n96 The Last Word<br \/>\n64 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 new exam changes, volunteer vacancies, RSGB publications strategy, volunteer spotlight, Around Your Region photo quality requirements, [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[274,30,55],"tags":[],"class_list":["post-13500","post","type-post","status-publish","format-standard","hentry","category-front-page-news","category-radcom","category-rsgb-notices"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/13500","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=13500"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/13500\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=13500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=13500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=13500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}