RadCom July 2021, Vol. 97, No. 7

| June 25, 2021

Review Special – a good look at four shack essentials

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News and Reports

Around Your Region – Club events calendar 85
Around Your Region – Events roundup 89
New products 14
News 12
RSGB Matters 6
Special Interest Groups News 15


Advertisers’ index 93
Antennas, Mike Parkin, G0JMI 18
ATV, Dave Crump, G8GKQ 26
Contesting, Steve White, G3ZVW 53
GHz bands, Dr John Worsnop, G4BAO 66
HF, Martin Atherton, G3ZAY 60
Members’ ads 94
Propagation, Gwyn Williams, G4FKH 96
Rallies and events 95
The Last Word 97
VHF/UHF, Paul Marks, G8FVK 64


Avair AV-201 SWR and power meter, Steve Nichols, G0KYA 22
Book review 79
Comet CAA-500 Mark II standing wave analyser, Tim Kirby, GW4VXE 82
Daiwa CN-901HP cross-needle SWR and power meter, Steve Nichols, G0KYA40
Sharman multiCOM SM-30II linear power supply, James Stevens, M0JCQ 68


Commonwealth Contest 2021, Bob Whelan, G3PJT 30
Cobra Mist, the radar that never worked, Roger Dowling, G3NKH 54
The graphia of Soviet amateur radio QSL cards,
Andrew Thomas, G0SFJ 80
The Story of ZD8HZ, Teflik Kazancioglu, TA1HZ 72

Technical features

Design notes, Andy Talbot, G4JNT 76
Hybrid loop antennas, David Hayes, M0GDX 36
Impedances and reflections on transmission lines, Paul Brooking, G4SHH 42
Plumber’s Delight 13cm patch feed, Andrew Gilfillan, G0FVI

Category: Front Page News, RadCom