Towertalk
[Top] [All Lists]

Re: [TowerTalk] antenna quiz?

To: 30KR239 Fernando <30kr239@dxhunters.com>
Subject: Re: [TowerTalk] antenna quiz?
From: Larry Phipps <larry@telepostinc.com>
Date: Tue, 13 Dec 2005 11:17:29 -0500
List-post: <mailto:towertalk@contesting.com>
No, as long as the balun is properly designed. 25 ohms is a pretty 
typical value for yagi feedpoints. Most manufactureres supply a matching 
device to 50 ohms, but the  actual feedpoint is probably in the 25 ohm 
range.

Larry N8LP



30KR239 Fernando wrote:

>Hello,
>I´m in the process of buying a new antenna, an Optibeam OB10-3W. I´ve been 
>told that this antenna presents an impedance of 25 Ohms at the feedpoint 
>that´s what I would need to use the 5 Kw (2:1) balun from Array Solutions. My 
>questions are....isn´t it a too low impedance?...would it affects the 
>antenna´s performance on any way?...Thanks in advance. 73s!
>EC1CT Fernando
>E-mail: ec1cwg@dxhunters.com
>URE & ARRL member
>_______________________________________________
>
>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any 
>questions and ask for Sherman, W2FLA.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>
>  
>
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

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