1.5 ohms plus/minus 2%, or 5% or 10%. Do not forget the 40X glass. MFJ also has an 800 # so it will not cost anything to find out if you can get an answer. Hank KN6DI -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com