[AMRadio] Mod xmfr


Crawfish crawfish at surfmore.net
Mon Oct 11 20:38:15 EDT 2004


I have info I got somewhere off the web about K1JJ's pair of 813's modulated
by a pair of 813's.

Joe W4AAB
----- Original Message -----
From: Rbethman <rbethman at comcast.net>
To: Discussion of AM Radio <amradio at mailman.qth.net>
Sent: Monday, October 11, 2004 12:07 PM
Subject: Re: [AMRadio] Mod xmfr


> Steve,
>
>     There was a series in ER (Electric Radio), by W3BYM, Tom
> Marcellino.  He built an AM 2-813s modulating 2-813s.  It is a beautiful
> looking and sounding rig.  Very much in the class of T-368s or BC-610s.
> Perhaps even better!
>
>     If interested, I'll hunt through the collection and get the specific
> editions for you.
>
> Bob - N0DGN
>
> StephenTetorka at cs.com wrote:
>
> >Hey guys:
> >
> >Thanks for all this education on the plate modulator for my 2 x 813's.
> >
> >Seems to me that:
> >1.  current carrying capability of the wire is first;
> >2.  turns ratio ( creating impedance ) comes next;
> >
> >Just how difficult would it be to make one?
> >
> >Our predecessors did.
> >
> >E/I core or over/under on one core?
> >
> >I understand Hypersil cores are easy to get.
> >
> >Might have a challenge counting high numbers...hi hi
> >
> >73
> >Steve
> >WA2TAK
> >
> >
> <                      Bob Bethman - N0DGN
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