RadCom January 2019, Vol. 95, No. 1

| December 21, 2018

Cover image courtesy of SpaceX.

Amateur radio goes geostationary—Es’hail-2 opens new frontier of amateur satellite communications

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News and Reports

Around Your Region – Club events calendar 85
Around Your Region – Events roundup 89
New products 11
News 12
RSGB Matters 6


Advertisers’ index 93
ATV, Dave Crump, G8GKQ 32
Contesting, Steve White, G3ZVW 66
GHz bands, Dr John Worsnop, G4BAO 64
HF, Martin Atherton, G3ZAY 60
Members’ ads 94
Propagation, Gwyn Williams, G4FKH 96
Rallies and events 95
The Last Word 97
VHF/UHF, Richard Staples, G4HGI 62


19th World ARDF Championships, Robin Bishop, RS213497 68
GB9SL, Chris Leviston, M0KPW 53
New amateur radio exam syllabus, Tony Kent, G8PBH and Mike Bruce, M0ITI 44
Portishead radio – 90 years on, Larry Bennett, G4HLN 54
Railways On The Air 2018 18
Shetland SOTA Expedition, David Stansfield, G0EVV 20

Technical Features

Antennas, Mike Parkin, G0JMI 15
Bi-directional JFET amplifier, Giancarlo Moda, I7SWX 38
Compact helical vertical for Top Band, Dr David Wescombe-Down, VK5BUG 76
Correction to multi-mode diode tester article (from December 2018) 17
Crane QRM, Dave Woodhall, G3ZGZ 24
Design notes, Andy Talbot, G4JNT 46
Getting ready to receiver Es’hail-2, Noel Matthews, G8GTZ 72
How much power are you running, Bruce Edwards, G3WCE 80
Introduction to error-correcting codes, Michael K Butler, G4OCR 28


Book review 83
SOTABEAMS ContestConsole for Icom radios, Peter Day, G3PHO 42

Category: Front Page News, RadCom