Folks, Been reading all the stuff about balanced tuners, unbalanced tuners, choke baluns, bead baluns, etc. Here's a "must read" on the subject: http://www.vcnet.com/measures/bbat.html Although he uses ganged roller coils, there's no reason switched coils couldn't be used instead. Note that this design works for balanced or unbalanced loads. 73 de Jim, N2EY