RadCom September 2017, Vol. 93, No. 9

| August 28, 2017


We apologise for any disappointment

This edition is currently being converted to our HTML5 online viewer, which will bring enhanced readability, download speed and picture quality

Cover image: The FoxRex 3500 80m amateur radio direction finding (ARDF) receiver. Image by Bob Titterington, G3ORY

Bumper review special—FoxRex ARDF Rx, bhi ParaPro DSP, Towermate tilt plate reviewed—and much more

Online edition

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News and Reports

Around Your Region – Club events calendar 86
Around Your Region – Events roundup 91
New products 15
News 12
RSGB Matters 6


Advertisers’ index 97
Antennas, Mike Parkin, G0JMI 28
ATV, Dave Crump, G8GKQ 84
GHz bands, Dr John Worsnop, G4BAO 76
HF, Martin Atherton, G3ZAY 70
Members’ ads 98
Propagation, Gwyn Williams, G4KFH 81
Rallies and events 100
Sport radio, Steve White, G3ZVW 36
The last word 101
VHF/UHF, Richard Staples, G4HGI 73


bhi ParaPro EQ20-DSP noise reduction filter,
Mike Richards, G4WNC 22
Book review 59
FoxRex 3500 ARDF receiver, Bob Titterington, G3ORY 64
TowerMate tilt plate, Steve Nichols, G0KYA 78

Technical Features

Audio splitter, Glenn Loake, G0GBI 62
Design notes, Andy Talbot, G4JNT 44
Forgotten antenna lore—and some common myths
Bruce Edwards, G3WCE 32
Homebrew, Eamon Skelton, EI9GQ 18


Ham Radio at Friedrichshafen 2017 17
HB0/GM4UYE Liechtenstein DXpedition,
Billy McFarland, GM0OBX 60
Helping to make YOTA 2017 a success 48
RSGB Convention 46
80th Commonwealth Contest 2017, Bob Whelan, G3PJT 56

Category: Front Page News, RadCom