RadCom September 2013, Vol. 89, No. 9

| September 19, 2013

Cover of September 2013 RadCom - Building the Centenary Receiver on RSGB Centenary Day.  Photo: Mike Richards, G4WNC

RadCom is the Radio Society of Great Britain Members’ magazine and is sent free every month to Members of the Radio Society of Great Britain.

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Contents RadCom September 2013

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
    Clubs news and planned events around the country
  • 91 Contacts
    All the contact information for the RSGB including committees and regional managers


  • 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, G4FLM 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


  • 87 Advertisers index
  • 44 Antennas, Peter Dodd, G3LDO
  • 75 ARDF, Bob Titterington, G3ORY
  • 55 AT V, 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