If you have not already done so, check out the article by W8BEB, "The Boom Excited Beam Antenna," QST, August 1983. Bruce AA4Z -- FAQ on WWW: http://www.contesting.com/towertalkfaq.html Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com Search: http://www.contesting.com/km9p/search.htm