RadCom September 2022, Vol. 98, No. 9

| August 19, 2022

Digirig Mobile – a compact computer interface to support datamodes operation.

To read this edition, tap or click cover image

News and Reports

Around Your Region – Club events calendar 85
Around Your Region – Events roundup 89
British Science Week, Ian Bowman, G7ESY 72
Celebrating the Platinum Jubilee through amateur radio, Hauke Gruen, M0TXH 54
New products 14
News 10
RSGB Matters 6
Special Interest Groups News 12


Advertisers’ index 93
Antennas, Mike Parkin, G0JMI 16
ATV, Dave Crump, G8GKQ 62
Contest calendar, Ian Pawson, G0FCT 78
Contesting, Chris Tran, GM3WOJ 60
GHz bands, Dr John Worsnop, G4BAO 68
HF, Daimon Tilley, G4USI 64
Members’ ads 94
Propagation, Gwyn Williams, G4FKH 96
Rallies and events 95
The Last Word 97
VHF/UHF, James Stevens, M0JCQ 66


Armed Forces Day RAF Wyton, David Webb, M0SKT 40
GB75TAR, Lin Allen, M0TCF 53
National Hamfest 24
RSGB Convention 25

Technical features

All we need to know about ground plane antennas, Tony Preedy, G3LNP 42
Design notes, Andy Talbot, G4JNT 20
Digital desktop operation, Don Dorward, VA3DDN 76
Filters for the active loop, John Hawes, G8CQX 28
G3ROO multiband multimode aerial, Ian Keyser, G3ROO 30
The ‘Felix’ Coupler part 2, Sheldon Hutchison, N6JJA 36
USB interface for a transceiver, Anthony Le Cren, F4GOH 32


Book Review 81
Digirig Mobile, Mike Richards, G4WNC 82
Sharman AV-508 desktop microphone, Paul Marks, G8FVK 26

Category: Front Page News, RadCom