On 4/12/2012 12:10 PM, Tom Harke wrote: > I am in the process of building a number of OWA's for 10,15 and 20 meters. > I am looking for a recommendation for a good current balun. Look up Jim Brown's RFI tutorial. It's a PDF. Then search for current baluns. The 2.4" multi core, multi turn current baluns work great. 73 Roger (K8RI)