Charles H. Harpole wrote:
>
> 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
>
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Watch out...W6QHS (now W6NL) says not to do this, even though he once
advocated it.
Instead, beef up the boom, use the HiGain boom/mast clamps and eliminate
the boom trusses altogether...All per Dave Leeson's book..."Physical
Design of Yagi Antennas", By Dave Leeson, W6QHS, Published by the ARRL.
73!
Bill, N3RR
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FAQ on WWW: http://www.contesting.com/towertalkfaq.html
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
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