I want to build a choke balun for a pennant antenna for 160-40 meters by slipping about one foot of Ferrite cores over coax. Anyone have theAmidon # for these? Chuck, KZ5MM -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com