Steve,, boy thats a loaded question....The last antenna I built was 72 ft 6
el yagi for
20 meters...It was made of 12" aluminum tower-all that I had,,there was
about 40 ft
of al. tower and I ran 2" alum tubing from old Hy Gain 205 out each end of
the al. tower
to achieve the boom length I needed, Or all I could come up with. NEVER an
antenna too big !!!!
The one I built in 1988 was a 10 el mono for 20 meters, was 128 ft long up
116 ft high.
It was primarily 70 ft of Rohn 25, with 29 ft of 2" out each end of the rohn
25.
If you can find aluminum tower,, It is fantastic to build yagis...You can
strut the boom with
phillystrand to support it... Hope this gives you some ideas...73,, GL,,
Dan N4GNR
----- Original Message -----
From: "steve jobes" <w1dxh@aol.com>
To: <towertalk@contesting.com>
Sent: Sunday, December 23, 2012 7:50 PM
Subject: [TowerTalk] beam antenna truss
Looking for info on best way to truss a long boom yagi. What is the best
material to use? How to secure to boom etc. Thanks for help.
73,
Steve W1DXH
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