My 40-2 CD is 12 feet above TH-7 and both work great. Just put the cushcraft boom supports downward instead of above the boom. k4vud -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com