Towertalk
[Top] [All Lists]

[TowerTalk] 50:75 ohm transformation

To: <towertalk@contesting.com>
Subject: [TowerTalk] 50:75 ohm transformation
From: w2xx@cloud9.net (w2xx@cloud9.net)
Date: Wed, 10 Feb 1999 21:28:51 -0500
jd wrote:

> I use 3/4 inch CATV and a run of about 180 feet to my
> tri-bander.  The worst case I have is 2.2 to 1 on 15 cw.  I 
> look at it as 2-2.5 to 1 is negligable on HF, whats it
> going to do, reduce your delivered to the antenna power a couple
> of watts?  The other end will never know..

Um, well...a 2:1 SWR will eat up about 10% of your power, so 2.2:1
will be marginally worse.  Still, 10% of 1500 watts is not pretty.
many of us would kill to find another 10% of efficiency in our systems.

To each his own...

J.P. W2XX
-- 
======================================================================
J.P. Kleinhaus, W2XX  
E-mail:  w2xx@cloud9.net
         w2xx@arrl.org

I am Pentium of Borg...Precision is futile...You will be approximated!
======================================================================

--
FAQ on WWW:               http://www.contesting.com/towertalkfaq.html
Submissions:              towertalk@contesting.com
Administrative requests:  towertalk-REQUEST@contesting.com
Problems:                 owner-towertalk@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>