G0KYA's Amateur Radio Blog

Thanks for stopping by. This is where I publish a lot of my features and thoughts on HF propagation, antennas and other ham radio topics. I write for a number of radio magazines, including the RSGB's RadCom and ARRL's QST. I am also chairman of the RSGB's Propagation Studies Committee and produce the weekly HF propagation report for GB2RS. When not playing radio I'm a professional journalist specialising in aerospace, science and technology and am also author of four RSGB books.

Monday, 9 June 2025

Radials and Counterpoises

This is a talk I gave to Norfolk Amateur Radio Club at its annual Radioactive event. It looks at radials for ground-mounted verticals, including how many do you need and how long should they be. It references the excellent work done by Rudy Severns N6LF. Download the presentations in PDF format (760k).

G0KYA's Amateur Radio Blog

Monday, 9 June 2025

Radials and Counterpoises

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