Towertalk
[Top] [All Lists]

Re: [TowerTalk] Open wire feed line length

To: Alfred Frugoli <alfred.frugoli@gmail.com>
Subject: Re: [TowerTalk] Open wire feed line length
From: Richards <jruing@ameritech.net>
Date: Wed, 02 Jul 2008 15:17:15 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
okay, that makes sense to me.    But, then why do they use
a 4:1 balun for open feeder line?

Happy trails and 73.    ----  Richards - K8JHR ----
==============================================================

Alfred Frugoli wrote:
> Using a 4:1 Balun gets you nowhere near 50 ohms if you're coming from 
> 450ohm ladderline (which is not specified in the oroginal post), it gets 
> you closer to 110ohms.  What you need is a 9:1 balun to take 450 ohm 
> line to 50 ohms.  



=================================================================

_______________________________________________



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

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