RadCom July 2022, Vol. 98, No. 7

| June 20, 2022

Solar Cycle 25 – A controversial theory regarding sunspot predictions

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
International Marconi Day 2022 54
New products 14
News 12
Obituaries 10
RSGB Matters 6
Special Interest Groups News 15
Youth amateur radio in the UK, Jonathan Groves, M0VRI 76


Advertisers’ index 93
Antennas, Mike Parkin, G0JMI 16
ATV, Dave Crump, G8GKQ 26
Contest calendar, Ian Pawson, G0FCT 33
Contesting, John Warburton, G4IRN 72
GHz bands, Dr John Worsnop, G4BAO 68
HF, John Petters, G3YPZ 64
Members’ ads 94
Propagation, Gwyn Williams, G4FKH 96
Rallies and events 95
The Last Word 97
VHF/UHF, Paul Marks, G8FVK 66


Collecting OS trig points, Nigel Ferguson, G0BPK 79
Commonwealth Games Birmingham 2022, Neil Yorke, M0NKE 48
Exercise Blue Ham, Ft. Lt. David Webb, M0SKT 29
National Hamfest 44
RSGB Convention 45
Safety first, Maggie Atkinson, M7LCF 53

Technical features

Design notes, Andy Talbot, G4JNT 20
Experiments with 1mW on 1296MHz, Jonathan Hare, G1EXG 58
Introduction to 10m FM, Klaus Spies, WB9YBM 42
Monitoring on 630m WSPR and 160m FT8, Roger Lapthorn, G3XBM 46
On the cusp of a scientific revolution? Frank Howell, K4FMH and Scott McIntosh 36
SSB receiver controlled by smartphone, Benjamin Nevau, F-62818 and Anthony le Cren, F4GOH 80


Books to read this Summer 47
Sharman multiCOM AV-6075NF PSU, James Stevens, M0JCQ 24
Xiegu X6100 HF and 50MHz SDR transceiver, Dave Pick, G3XYM 30

Category: Front Page News, RadCom