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Re: [TowerTalk] Decision: T8 or T11?

To: "Mark Adams, PE" <>
Subject: Re: [TowerTalk] Decision: T8 or T11?
From: Tom Anderson <>
Date: Mon, 27 Mar 2006 10:10:16 -0600
List-post: <>

Have you e-mailed Roger at Tennadyne  He or 
Chuck KA1PM (the former owner) <> can give you some really 
good advice. I've talked to several hams who have the T8 and they tell 
me they're using it on 6m with no decrease in performance even though 
its not cut for it.  The T11 is a T8 with 3 elements for 6m is what 
Chuck the former owner told me.

I opted for the T10 and have been well pleased with it, it beats the 
heck out of the triband 3 element beam I had before.  I worked K7C and 
3Y0X on 20 barefoot with a Kenwood TS 430S and the T10 is FLAT on all 
bands all the way across, CW or phone portions. The 3Y0X op, 2 calls,  I 
worked could not believe I was barefoot at the time I worked him.

My T10, which my XYL CHeryl (WY5H) bought for my birthday a couple yeas 
ago)  is at 50 ft. on a TriEx W51 crankup.  I can only say great and 
positive things about Tennadyne and I'm one of the world's worst 

73 de
Tom, WW5L / V31EF / 7P8TA (with a T6) / G0-WW5L / guest op at KH6BB / 
and soon to be C91TA with a T8 at 50 feet from Mozambique at the end of 
June and first two weeks of July.  Listen for me.  Even with low 
sunspots I expect to put lots of  stateside calls in the log with the T8.

Mark Adams, PE wrote:

>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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