{"id":11449,"date":"2014-11-22T00:01:17","date_gmt":"2014-11-22T00:01:17","guid":{"rendered":"https:\/\/rsgb.org\/main\/?p=11449"},"modified":"2022-05-19T10:51:17","modified_gmt":"2022-05-19T09:51:17","slug":"radcom-december-2014-vol-90-12","status":"publish","type":"post","link":"https:\/\/rsgb.org\/main\/blog\/publications\/radcom\/2014\/11\/22\/radcom-december-2014-vol-90-12\/","title":{"rendered":"RadCom December 2014, Vol. 90, No. 12"},"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=\"#5525\" 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\/December-2014.png\" alt=\"Cover of December 2014 RadCom - Cover image: Season\u2019s Greetings from the RSGB.\" width=\"200\" height=\"283\" \/><\/a><\/p>\n<h2>News and Reports<\/h2>\n<p><strong>6 RSGB Matters<\/strong><br \/>\nSeason\u2019s Greetings, RadCom Plus to launch, towards a new RAYNET, IARU Region 1 news, changes to RSGB Bylaws, new 13cm segment via NoV, QSL Matters and Congratulations<br \/>\n<strong>14 New Products<\/strong><br \/>\nExciting new products we\u2019ve heard about this month<br \/>\n<strong>66 Index 2014<\/strong><br \/>\nOur regular roundup of club diaries and news<br \/>\n<strong>90 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=\"#5525\" target=\"_blank\" rel=\"noopener\">RadCom December 2014, Vol. 90, No. 12<\/a><\/li>\n<\/ul>\n<h2>Features<\/h2>\n<p><strong>16 GA 14GC , Glasgow Commonwealth Games<\/strong><br \/>\nThe story of GA14CG, the special event station that celebrated the 2014 Glasgow Commonwealth Games, described by Adam Hutchison, MM0KFX<br \/>\n<strong>24 2m extension to 146-147MHz<\/strong><br \/>\nJohn Regnault, G4SWX explains the ins and outs of the new temporary allocation available via NoV to Full licensees and considers how it might be used to develop new modes and techniques<br \/>\n<strong>26 Getting started in\u2026 Radio Astronomy, part 2<\/strong><br \/>\nPaul Hyde, G4CSD looks at studying galactic radio emissions from your own back garden<br \/>\n<strong>42 2SZ at Mill Hill School<\/strong><br \/>\nMartin Rast, M0MDR and Dave Lawley, G4BUO describe celebrations to mark 90 years since the first amateur radio contact from the UK to New Zealand<br \/>\n<strong>50 RSGB Convention report<\/strong><br \/>\nA full round-up of what happened at the 2014 Convention by Elaine Richards, G4LFM<br \/>\n<strong>59 Insurance Clinic<\/strong><br \/>\nJulian Dent, MD of South West Broking Ltd examines the implications for clubs that lend or borrow equipment<br \/>\n<strong>102 RCF strategy<\/strong><br \/>\nHow the Radio Communications Foundation plans to move forward<\/p>\n<h2>Reviews<\/h2>\n<p><strong>38 Whizz Whip<\/strong><br \/>\nMike Richards, G4WNC is favourably impressed by this portable QRP HF\/VHF\/UHF antenna<br \/>\n<strong>61 TMRF-2000 multiband antenna<\/strong><br \/>\nA compact \u201cquarter-size G5RV\u201d from Taylor Made RF Ltd examined by Steve Nichols, G0KYA<br \/>\n<strong>68 DJI Quadcopter<\/strong><br \/>\nGreat fun and easy to fly says Mark Allgar, M1MPA<br \/>\n<strong>78 Book Review<\/strong><br \/>\nGiles Read, G1MFG reviews four great books<\/p>\n<h2>Technical Features<\/h2>\n<p><strong>18 Homebrew<\/strong><br \/>\nEamon Skelton, EI9GQ builds an SWR\/power meter and shares some chassis-bashing tips<br \/>\n<strong>23 Moving On<\/strong><br \/>\nThe semiconductor diode explained by John Welsh, G0NVZ<br \/>\n<strong>34 Vertical dipole arrays<\/strong><br \/>\nDavid Aslin, G3WGN and Chris Duckling, G3SVL explain how vertical dipole arrays can bring significant advantages for DX<br \/>\n<strong>44 3D Printing<\/strong><br \/>\nOne small device that can build anything you want? Dr Jonathan Hare, G1EXG explores the possibilities of this relatively new fabrication technique<br \/>\n<strong>52 Data<\/strong><br \/>\nBeware fake chips, counsels Andy Talbot, G4JNT<br \/>\n<strong>80 EMC<\/strong><br \/>\nDr David Lauder, G0SNO looks at EMC issues with solar panel installations, plasma TVs, electronic dog fences and more<br \/>\n<strong>88 Design Notes<\/strong><br \/>\nA Class E power amplifier for Top Band by Andy Talbot, G4JNT<\/p>\n<h2>Regulars<\/h2>\n<p>99 Advertisers&#8217; index<br \/>\n62 Antennas, Peter Dodd, G3LDO<br \/>\n76 GHz, Dr John Worsnop, G4BAO<br \/>\n72 HF, Martin Atherton, G3ZAY<br \/>\n71 LF, Dave Pick, G3YXM<br \/>\n103 Propagation, Gwyn Williams, G4KFH<br \/>\n48 QRP, Rev. George Dobbs, G3RJV<br \/>\n100 Members\u2019 Ads, Rallies and Events, Silent Keys and Special Event stations<br \/>\n82 Sport Radio, Steve White, G3ZVW<br \/>\n104 The Last Word<br \/>\n66 VHF\/UHF, Richard Staples, G4HG<\/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 Season\u2019s Greetings, RadCom Plus to launch, towards a new RAYNET, IARU Region 1 news, changes to RSGB [&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-11449","post","type-post","status-publish","format-standard","hentry","category-radcom"],"_links":{"self":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/11449","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=11449"}],"version-history":[{"count":0,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/posts\/11449\/revisions"}],"wp:attachment":[{"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/media?parent=11449"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/categories?post=11449"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rsgb.org\/main\/wp-json\/wp\/v2\/tags?post=11449"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}