Ham Radio Outside the Box-4:1 Balun or 4:1 Unun.
"4:1 Balun or 4:1 Unun-how to choose?" Views expressed in this Amateur/Ham Radio antenna discussion are those of John (VA3KOT). Accessed on 28 November 2025, 1454 UTC. Content and Source: "Ham Radio Outside the Box." https://mail.google.com/mail/u/0/#imp/FMfcgzQdzcnFGLvrcDZxTnKXZjLHbSPC Please check email link from John (VA3KOT) or scroll down to read your selections. Thanks for joining us today. Russ Roberts (KH6JRM). --------------------------------- Ham Radio Outside the Box Read on blog or Reader 4:1 Balun or 4:1 Unun – how to choose? By John VA3KOT on November 28, 2025 Perhaps one of the greatest confusions in the hobby of ham radio is wrapped around the subject of baluns and ununs. What are they, where should they be used and what do they do? At Ham Radio Outside the Box several antennas that need a 4:1 impedance matching device have been described. Since I had a handy-dandy 4:1 Guanella current balun in the drawer I figured it w...