[TowerTalk] Remote balun 4:1 or 1:1 ?

Keith Dutson kjdutson at earthlink.net
Thu Sep 9 23:59:32 EDT 2004


I have used a 4:1 balun with 450 line.  Tuning was OK but not as good as
expected.  I have also used LMR400 to directly feed a 160 meter dipole.
This was a great performing antenna except that it was unpopular with the
XYL because with a bit of power the garage door opener and big screen TV
would turn on and off at will. <grin>  I plan to put up another dipole like
this in the future with a 1:1 balun at the feedpoint.

Keith NM5G

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Steve Forst
Sent: Thursday, September 09, 2004 10:38 PM
To: TowerTalk at contesting.com
Subject: [TowerTalk] Remote balun 4:1 or 1:1 ?

Tried running  ladder line into the shack, but too much RFI.    Most sellers
of remote baluns offer 4:1  baluns for connection between coax  from the
tuner and  450 ohm ladder line  to the  antenna.

The guys at DX Engineering  have a 1:1 balun for this purpose, which they of
course  say works better  They also  say to use 300 ohm line instead of the
450 line.

Who's right?

Steve KW3A



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