For tower shunt feed, I'm looking for 500 and 750 pf glass vacuum variables at 10KV or greater.1000pf also works. Must have mounting flange and puller. What have you + price? 73, Steve WB6RSE -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com