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[TowerTalk] Decision: T8 or T11?

Subject: [TowerTalk] Decision: T8 or T11?
From: "Mark Adams, PE" <>
Date: Mon, 27 Mar 2006 09:31:40 -0500
List-post: <>
Hi Gang,

My TX-455 is up and only supporting a dipole. Plan was to go with a new 
multiband beam, a Tennadyne T8 or T11. I have a Hy-Gain 64 DX along with 
an FO-12 from previous QTH. The Hy-Gain was up for 8 years and it worked 

There seem to be 2 obvious options given I'll be using an Alliance HD73 
and a 12' 6061-T6 mast, 2" OD x 1/4" wall. (Yes, I've done load calcs to 
make sure it will not break. Both options have very good safety factors.)

#1 Buy a T11. Have 20-6 w/o need for the Hy-Gain. The spare mast space 
could go to my 2M FO-12.

#2 Buy a T8 and put the Hy-Gain 5' above the T8. Loading above this 
level is an issue, so 2m would need to be a pair of Par Omnis to keep 
the wind load very low.

What I've not been able to determine is just how well the T11 plays on 
6m.  Seems to be about the least popular of the Tennadyne beams.


Best regards,
Mark/ K2QO


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