On Tue, 02 May 2006 22:58:00 -0400, Mike Coslo
wrote:

Anyone here have a good web reference on making a 4:1 balun? I'm looking
for the dual core design, not the single core design. Lots of those to
google.

Do the single core designs really not work? I had a single core
homebrew that seemed to work, but I'm a tad confused after hearing that
they don't.

The Sept/Oct 2005 issue of QEX has a 4:1 balun design that may
interest you. It can be found on the ARRL's members only web site.

http://www.arrl.org/qex/2005/qx9roos.pdf

73,
Danny, K6MHE

In my many years I have come to a conclusion that one
useless man is a shame, two is a law firm, and three
or more is a congress. - John Adams

email: k6mheatarrldotnet
http://www.k6mhe.com/