RadCom September 2013, Vol. 89, No. 9

| September 19, 2013

Cover of September 2013 RadCom - Cover image: Building the Centenary Receiver on RSGB Centenary Day

News and Reports

6 RSGB Matters
Including Spectrum Matters, Band Plan updates, Club of the Year, Regional organisation and boundary changes, new Members and congratulations
11 News
Amateur radio news
12 Centenary Matters
Latest news on G100RSGB
14 Commonwealth Contest 2013
Some of the best conditions for years occurred in this 76th contest reports Mike Franklin, G3VYI
80 Around Your Region
Club news and planned events around the country
91 Contacts
All the contact information for the RSGB including Committees and Regional Managers

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67 Book Review
The RSGB Yearbook 2014, deluxe logbook and diary and Callseeker Plus 2014 on CD and memory stick
71 SpiderBeam 160-18-4WTH
Steve Nichols, G0KYA is impressed by the manageability of this top band vertical but still suggests you measure your garden before buying


17 RSGB Convention
Latest news on next month’s RSGB Convention by Dave Wilson, M0OBW
22 G100RSGB stories
Elaine Richards, G4LFM begins her series looking at operating G100RSGB through the eyes of clubs around the country
30 Getting Started in… ATV
The pictures of amateur television are much more fun than just talking to people explains Noel Matthews, G8GTZ
64 National Hamfest Update
A look forward to the year’s most exciting rally with Elaine Richards, G4LFM

Technical Features

18 Homebrew
Eamon Skelton, EI6GQ makes the transmit converter stage for the 70cm transverter project
26 Start Here
From basic electromagnetism to the dipole with John Welsh, G0NVZ
33 SDR Futures
Steve Ireland, VK6VZ and Phil Harman, VK6APH conclude their look into the future of software defined radio
38 Centenary Receiver
Build a simple 20m receiver and decode PSK31 on a Raspberry Pi
42 Design Notes
Andy Talbot, G4JNT continues his look at measuring RF power

Technical Features

87 Advertisers’ index
44 Antennas, Peter Dodd, G3LDO
75 ARDF, Bob Titterington, G3ORY
55 ATV, Roy Powers, G8CKN
62 GHz Bands, Dr John Worsnop, G4BAO
56 HF, Don Field, G3XTT
88 Members’ Ads, rallies and events, Silent Keys, special event stations
78 Propagation, Gwyn Williams, G4KFH
73 Sport Radio, Steve White, G3ZVW
92 The Last Word
58 VHF/UHF, Richard Staples, G4HGI

Category: RadCom