Ed Goodman, N5NUG corrects me that he hold the patent on the CTSVR Uni-Hat not Ron Nott. 73 Dave K4JRB -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com