[TowerTalk] Open wire feed line length

Richards jruing at ameritech.net
Wed Jul 2 15:17:15 EDT 2008

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.  


More information about the TowerTalk mailing list