All About Baluns

Thanks again to Roger Steyaert K7RXV who found these excellent articles about baluns and got permission from Roy W. Lewallen W7EL to share them on this site. Understanding the basic information in these articles will help you understand some of the technical presentations we’ve got coming up in future club meetings. If you have any issues with these links, just google the article titles and you’ll find them.

“Baluns: What They Do And How They Do It” 

“The 1:1 Current Balun”





SWR – The Persistent Myth

This PDF is a very good explanation of SWR. Club member Roger Steyaert K7RXV got permission from its author, John Fielding ZS5JF, to put a link to it on our web page.

If you have issues accessing this document, ZS6WR is the club call for an amateur radio club in South Africa. You can use a Google search for ZS6WR and then on the right side of the home page click on antennas and you go to a list of antenna articles including this one.

From this right club website’s sidebar there are also links to lots of other educational resources you might find interesting:

Remember that some of the terms used appear at first glance to be incorrect. You have to translate things into British English then everything is correct. Remember that South Africa was a Britsh Colony for many years.

Modeling Presentation

EZNEC Main Windowby Roger Steyaert K7RXV, SVARC meeting on Sept. 19, 2019

Roger K7RXV gave an excellent presentation on various modeling programs and how they can be used by amateur radio operators to measure and predict such things as circuit performance and antenna performance. Programs mentioned included Spice, SimSmith, and EZNEC. Continue reading “Modeling Presentation”