Beside the 8JK there is the HB9CV and ZL driven arrays. The design gives you more low SWR band width but no more gain. There is no secret design for a 2 el array. 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