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[AMPS] rollers

To: <amps@contesting.com>
Subject: [AMPS] rollers
From: 2@vc.net (measures)
Date: Fri, 3 Mar 2000 08:24:50 -0700
>
>> >Air.
>> >
>> How?
>
>It flows in from the space around the coil and the coil core because 
>the coil is suspended between thin support rails. It's amazing new 
>technology, 

The Johnson 226 series of variable inductors were similar to this. 

This is way different than the variable inductor that was reportedly used 
in the MFJ 3kW tuner.  
> 
thanks, Tom

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