RadCom December 2015, Vol. 91, No. 12

| November 16, 2015

Cover image: Season’s Greetings from the RSGB. Image by Kevin Williams, M6CYB.

News and Reports

6 RSGB Matters
Inspiring clubs, subscriptions unchanged, Construction Competition winners, G5RP and ROTAB trophy winners, Ofcom licence guidance, recognising and encouraging volunteers, QSL matters, IYL convention, congratulations and welcome.

11 News
All the amateur radio news
14 New Products
Exciting new products we’ve heard about this month
20 Jamboree on the Air
Reports from some of the clubs involved with this worldwide Scouting event
31 YOTA Italy 2015
A team of young Members meet other IARU Region 1 young amateurs in Italy
66 Index 2015
89 Around Your Region
Club news and planned events around the country

Read this edition online

You will need your RSGB Membership Services login, follow the link below or click the cover image to your right.


59 Radio operation on a cruise ship
Charles Brookson, G4GBA tells of taking his Elecraft K3 on a cruise


30 Moonraker MT-270M
Giles Read, G1MFG is impressed this tiny dual band 2m/70cm FM mobile
40 Book review
Two for the shack and a couple to think about as Christmas presents
45 TenTec 506 Rebel
Dominic Baines, M1KTA looks at the open source Arduino based CW QRP transceiver
48 sunSDR2 PRO
A sophisticated HF to VHF transceiver is put through its paces by Mike Richards, G4WNC
60 bhi Compact In-Line Noise Eliminating Module
Ray Kelly, G3ZRK looks at latest from bhi

Technical Features

16 Homebrew
Eamon Skelton, EI9GQ discusses home construction techniques
24 High efficiency magnetic loop antennas
Ken Hough, M0KOH takes a practical look at these antennas
34 Design Notes
Coherent receivers at LF are discussed by Andy Talbot, G4JNT
38 Antennas
Peter Dodd, G3LDO writes his last column after 13 years
42 Chaos on the HF bands
Steve Nichols, G0KYA explains coronal holes and coronal mass ejections
44 Moving On
John Welsh, G0NVZ finishes his series with a look at Q codes.
62 EMC
A bicycle wheel loop antenna for EMC measurements from 10-30MHz by Dr David Lauder, G0SNO


99 Advertisers’ index
36 Data, Andy Talbot, G4JNT
77 GHz, Dr John Worsnop, G4BAO
72 HF, Martin Atherton, G3ZAY
70 LF, Dave Pick, G3YXM
86 Propagation, Gwyn Williams, G4KFH
33 QRP, Rev. George Dobbs, G3RJV
100 Members’ Ads, rallies and events, Silent Keys and special event stations
80 Sport Radio, Steve White, G3ZVW
104 The Last Word
74 VHF/UHF, Richard Staples, G4HGI

Category: Front Page News, GB2RS Headlines, RadCom