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Re: [TenTec] SLIGHTLY OT

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] SLIGHTLY OT
From: "Walt Amos" <waltk8cv4612amos@att.net>
Reply-to: Walt Amos <waltk8cv4612amos@att.net>, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 8 Apr 2011 17:35:32 -0400
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
WOW ........... you got to be KIDDING, eh?

320 X 1, my golden eagle CB watt meter doesn't even read that high! :-)

Walt K8CV Royal Oak, MI.


----- Original Message ----- 
From: "Steve Hunt" <steve@karinya.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Friday, April 08, 2011 5:11 PM
Subject: Re: [TenTec] SLIGHTLY OT


> Mike,
>
> You're putting words in my mouth - I've not said anything about whether
> an antenna is "half decent" or not.
>
> What I can tell you for sure is that a 132ft dipole at 50ft above
> average ground will have a feedpoint impedance of around 10-j1059 Ohms
> at 1.9MHz; and that load will result in 6.5dB loss in 100ft of Wireman
> 551 if it's dry, and 9dB if it's wet. I leave you to judge whether or
> not that constitutes a "half decent" antenna for that band.
>
> Why are the losses so high? Because that feedpoint impedance produces a
> VSWR of 320:1 on the 400 Ohm 551 ladderline.
>
> 73,
> Steve G3TXQ
>
>
>
> On 08/04/2011 21:56, Mike Bryce wrote:
>> Okay...
>>
>> So what I just read from the link you sent, if I take and put up a center 
>> fed Zepp with 66 feet on each side, fed with 450 open line and assume no 
>> loss from the tuner or balun that antenna won't make a even halfway 
>> decent multiband antenna?
>>
>>
>> Mike
>>
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