On Tue, 21 Aug 2007 14:42:06 -0700, Bill Turner wrote:
>I'm thinking of replacing the toriod-core balun
See my tutorial on RFI and common mode chokes.
http://audiosystemsgroup.com/RFI-Ham.pdf
Use 4 turns of the coax through five #31 or #43 toroids, wound in
the style shown in the photo. It's ideal for 20-10 meters, even
better than the W0IYH choke that Tim uses.
73,
Jim Brown K9YC
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