Has anyone had experience substituting a coaxial balun for the KLM supplied ferrite unit as used on their 1980's 50-7LD yagi? Any advantage one over the other? Thanks for comments. Joe K7MKS -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com