Fwd: [Hallicrafters] S-38C dial tracking and AGC

[JFran10657 at aol.com]

In a message dated 12/11/03 4:19:29 PM Eastern Standard Time, JFran10657 
writes:

> Subj: Re: [Hallicrafters] S-38C dial tracking and AGC 
>  Date: 12/11/03 4:19:29 PM Eastern Standard Time
>  From: <A HREF="mailto:JFran10657">JFran10657</A>
>  To: <A HREF="mailto:gzook at yahoo.com">gzook at yahoo.com</A>
> 
> 
> 
> I have only been plugging around for a few yrs ,so my advice is not as solid 
> as the mavens on the list.
> But I have some advice that may help.
> I agree that the IF should not affect the dial calib ,so no issue there.
> It may hekp to use a freq meter for the rf ossc calib. this way u don't 
> worry about hii side, lo side or image freqs.
> I attach a 5-10 turn loop of wire to my counter, bring it near (1") to the 
> rf coil or main tune cap(not too close to detune the ckt) and thats it.
> Of course add sub 455 from reading.
> Accurate every time as long as the original symmetry of the tuning plates 
> are are not buggered up.
> 
> best and regards
> Jim  ka2zuu



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