RadCom September 2023, Vol. 99, No. 9

| August 18, 2023

Icom IC-905 review

To read this edition, tap or click cover image

News and reports

Around Your Region – Club events calendar 76
Around Your Region – Events roundup 80
Beyond Exams update, Mark Burrow, 2E0SBM 51
Chelmsford Science and Engineering Society Do and Discover event, David De La Haye, M0MBD 75
New products 15
News 11
RSGB Convention 28
RSGB Matters 6
Special Interest Groups News 16


Advertisers’ index 85
Antennas, Tim Hier, G5TM 18
ATV, Dave Crump, G8GKQ 26
Contest Calendar, Ian Pawson, G0FCT 58
Contesting, Chris Tran, GM3WOJ 70
GHz bands, Dr John Worsnop, G4BAO 64
HF, Daimon Tilley, G4USI 60
Members’ ads 86
Propagation predictions, Gwyn Williams, G4FKH 88
Propagation studies: Insights into HF propagation using FST4W, Gwyn Griffiths, G3ZII 30
Propagation studies: Rolling HF Blackouts and Solar Flares, Peter DeNeef, AE7PD 24
Rallies and events 87
The Last Word 89
VHF/UHF, James Stevens, M0JCQ 66


Coding and amateur radio, John Hislop, G7OHO 74
Exercise Blue Ham – Hermia 2023, Flt Lt David Webb, M0SKT 52
Screen success for Aberdeen Amateur Radio Society, Mike Lowson, MM7MWL 72

Technical Features

A digital Hobbs meter for amateur radio, Klaus Spies, WB9YBM 48
Coaxial cables and time-domain reflectometry: Part one), Mark R. StJ. Foreman, G7LSZ and SA6BID 22
Design Notes, Andy Talbot, G4JNT 36
dsPic-based audio processor, Andy Talbot, G4JNT 54


Book review 69
Icom IC-905 review, Dr John Worsnop, G4BAO and Dave Crump, G8GKQ 40
RT Systems AT-878 programmer software review, Tim Kirby, GW4VXE 34

Category: Front Page News, RadCom