Frequent contributor to QST and On the Air Magazines John Portune, W6NBC is back to talk about the basics of torroids and baluns. Learn what type of mix to use, size, and where to find a winding calculator to make a balun for your antenna.

Links:
Toroid winding calculator: https://coil32.net/online-calculators/ferrite-torroid-calculator.html

John's article in On the Air magazine: Jan/Feb 2023 edition page 20 http://www.arrl.org/read-on-the-air