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Rewinding a rheostat to make it a variable iunductor

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September 17th 06, 02:49 PM posted to rec.radio.amateur.homebrew

[email protected] nospam@nouce.bellatlantic.net is offline

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First recorded activity by RadioBanter: Jun 2006

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Rewinding a rheostat to make it a variable iunductor

On 17 Sep 2006 04:58:06 -0700, wrote:

I came up with this idea to make a tiny antenna tuner. Thought maybe I
could remove the wire on a rheostat and rewind it with copper wire so I
can make a long wire antenna tuner .

Dennis W6EH

Check a back issues of QST. Someone did it (miracal antenna)
in a construction article.

They wrapped a ferrite toroid (large one) and use the wiper and
bearing from a Wire wound rheostat to select taps on it. I tried it
for a very small Pi tuner and it was decent.

Allison

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