RadCom February 2014, Vol. 90, No. 2

| January 27, 2014

Cover of February 2014 RadCom - Moonbounce

News and Reports

6 RSGB Matters
Including news of the RSGB AGM, new Band Plan commentary, Ofcom statements on 2.3/3.4GHz, licence progression and EMC matters, Centenary matters, Past President G3GVV SK, QSL Matters, Congratulations and Newcomers
12 News
All the amateur radio news
14 Honour Roll
The RSGB salutes those who have 50 years or more of continuous Membership of the Society
38 Band Plan
Recommended usage arrangements for all the UK
amateur bands from 136kHz to 250GHz
84 Around Your Region
Club news and planned events around the country

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Features

26 Getting Started in…
ARDF, by Bob Titterington, G3ORY
32 One future for amateur radio?
Professor Peter Cochrane concludes his look at a possible future for amateur radio
80 Tokyo Ham Fair
John Rivers, G0GCQ takes a once-in-a-lifetime trip to the world-famous Japanese exhibition
89 GB70BOA and GB7OWA
Rufus Binks, M0MWD desribes how three clubs joined forces to run two Battle of the Atlantic commemorative stations

Reviews

56 Icom IC-7100
Peter Hart, G3SJX considers whether Icom’s new HF-UHF radio paves the way for the future
78 Book Review
World Call CD, the RadCom Bound Volume and CD, plus very special offers on Inside Room 40 and UK Airfields of the Cold War

Technical Features

16 EMC
Dr David Lauder, G0SNO looks at the importance of EMC test methods
20 An Introduction to Moonbounce
The first half of a detailed article by John Lemay, G4ZTR and John Regnault, G4SWX
44 Homebrew
IF stages and filtering for the low bands transceiver by Eamon Skelton, EI9GQ
48 Data
Andy Talbot, G4JNT reports on using WSPR with aircraft scatter and on 10GHz
54 Making Loop Antennas Work
Why not use aluminium foil instead of copper tube asks Andy Choraffa, G3PKW
72 Design Notes
Andy Talbot, G4JNT relates a tale of woe caused by an extra couple of metres of coax

Regulars

91 Advertisers index
36 Antennas, Peter Dodd, G3LDO
70 GHz, Dr John Worsnop, G4BAO
64 HF, Martin Atherton, G3ZAY
62 LF, Dave Pick, G3YXM
95 Propagation, Gwyn Williams, G4KFH
82 QRP, Rev. George Dobbs, G3RJV
92 Members’ Ads, Rallies & Events, Silent Keys and
Special Event stations
74 Sport Radio, Steve White, G3ZVW
96 The Last Word
66 VHF/UHF, Richard Staples, G4HGI

Category: RadCom