RadCom May 2013, Vol. 89, No. 5

| May 14, 2013

Cover of May 2013 RadCom showing David Stansfield, G0EW on Kidsty Pike

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 May 2013

News and Reports

  • 6 RSGB Matters
    Including Club of the Year, NoV clarification, Ofcom consultations, RSGB volunteer vacancies, National Radio Centre news, New Members and Congratulations
  • 10 News
    Amateur radio news
  • 11 RSGB Centenary
    RSGB Centenary year news, including Gx100RSGB, Anniversary Day and the Centenary Dinner
  • 21 VHF NFD
    John Simkins, G8IYS, asks how did the teams get on in 2012?
  • 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

Features

  • 14 Activating Wainwrights
    David Stansfield, G0EW takes amateur radio out in the Lake District
  • 30 Getting started in… Sporadic-E
    Jim Bacon, G3YLA explains more about one of the more exotic modes available to radio amateurs
  • 42 History of Optical Communications
    It’s 50 years since the first amateur laser QSO and Stuart Wisher, G8CYWW tells the story
  • 68 SOS Radio Week
    How some clubs raised funds for the RNLI by getting on the air

Technical Features

  • 18 Homebrew
    Eamon Skelton, EI9GQ makes AGC generator circuits for the TL026 IF amplifier
  • 41 Waveguide filter sweeper
    Using micorwave junkbox parts, Mark Atherton, ZL3JVX extends the frequency range of a spectrum analyser and frequency sweeper
  • 52 Start Here
    John Welsh, G0NVZ looks at the operation of of coherers
  • 60 Design Notes
    Andy Talbot, G4JNT looks at efficient power amplifiers

Regulars

  • 87 Advertisers’ index
  • 26 Antennas, Peter Dodd, G3LDO
  • 73 ARDF, Bob Titterington, G3ORY
  • 17 AT V, Roy Powers, G8CKN
  • 62 GHz Bands, Dr John Worsnop, G4BAO
  • 54 HF, Don Field, G3XTT
  • 88 Members’ Ads, Rallies and Events, Silent Keys, Special Event Stations
  • 78 Propagation, Gwyn Williams, G4KFH
  • 74 Sport Radio, Steve White, G3ZVW
  • 92 The Last Word
  • 56 VHF/UHF, Richard Staples, G4HGI

Category: RadCom

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