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[AMPS] Tune/load caps

To: <amps@contesting.com>
Subject: [AMPS] Tune/load caps
From: KG6DV@cs.com (KG6DV@cs.com)
Date: Fri, 21 Dec 2001 21:38:08 EST

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I have some motor driven air variables from a Kenwood AT-250 that with or 
without padding I intend to use with either an amp or antenna tuner.  I 
remember seeing in an old QST or CQ magazine (very old 1970's) a formula used 
to estimate the value (pf) of  air variables.  Anyone know of a way I can 
approximate the value of these things.  I can call Kenwood parts, but I would 
like to know a method of estimating these for when I find some off brand 
surplus or others.

Thanks
Ron KH6DV


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<HTML><FONT FACE=arial,helvetica><FONT  SIZE=2>I have some motor driven air 
variables from a Kenwood AT-250 that with or without padding I intend to use 
with either an amp or antenna tuner. &nbsp;I remember seeing in an old QST or 
CQ magazine (very old 1970's) a formula used to estimate the value (pf) of 
&nbsp;air variables. &nbsp;Anyone know of a way I can approximate the value of 
these things. &nbsp;I can call Kenwood parts, but I would like to know a method 
of estimating these for when I find some off brand surplus or others.
<BR>
<BR>Thanks
<BR>Ron KH6DV
<BR></FONT></HTML>

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