RadCom January 2018, Vol. 94, No. 1

| December 22, 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: Data gathered on noise in the HF and VHF bands, including that attributed to VDSL. Design Kevin Williams, M6CYBNoise special—we look at the emotive issue of RF noise, from HF to VHF—via VDSL

Online edition

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News and Reports

Around Your Region – Club events calendar 90
Around Your Region – Events roundup 93
New products 16
News 14
RSGB Matters 8


Advertisers’ index 99
Antennas, Mike Parkin, G0JMI 24
ATV, Dave Crump, G8GKQ 57
GHz bands, Dr John Worsnop, G4BAO 62
HF, Martin Atherton, G3ZAY 58
Members’ ads 100
Propagation, Gwyn Williams, G4FKH 104
Rallies and events 101
Sport radio, Steve White, G3ZVW 45
The last word 105
VHF/UHF, Richard Staples, G4HGI 60


SDRplay Radio Spectrum Processor 1A (RSP-1A), Mike Richards, G4WNC 40
Book review 76

Technical Features

Measuring spectrum pollution at VHF, John Worsnop, G4BAO and Alwyn Seeds, G8DOH 48
Design notes, Andy Talbot, G4JNT 46
Case studies on VDSL Radio Frequency Interference (RFI) levels, Dr John Rogers, M0JAV 64
Homebrew, Eamon Skelton, EI9GQ 18
The QCX high spec., low cost 5W CW transceiver kit, Hans Summers, G0UPL 70
Batteries and The Post Office, Les Brown, M0LPB 74
Noise Measurement Campaign – Project Completion, Gwyn Williams, G4FKH 86


Club of the Year winners 75
E51LYC DXpedition to Pukapuka (OC-098), Cezar Trifu, VE3LYC 28
CW Field Day 2017, Ed Taylor, G3SQX 31
First UK HAMSCI Space Weather workshop, Steve Nichols, G0KYA 51
Jamboree On The Air 80
Essex ARC CW Boot Camp 2017, Stephen Cocks, G4ZUL 88
GB2SL from Spurn high lighthouse, Charlie Storr and Andy Nielsen 102

Category: Front Page News, RadCom