As long as we're on this subject, I notice all the lightning rods on buildings have sharp points upwards...so... does it help to have a pointed rod at the top of the tower mast? If so, why? Jerry K3MGT -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towertalk@contesting.com Administrative requests: towertalk-REQUEST@contesting.com Problems: owner-towertalk@contesting.com