[AMRadio] Mod xmfr


Crawfish crawfish at surfmore.net
Mon Oct 11 21:05:51 EDT 2004


That's it!!!
                                Joe W4AAB
----- Original Message ----- 
From: Jim Wilhite <w5jo at brightok.net>
To: Discussion of AM Radio <amradio at mailman.qth.net>
Sent: Monday, October 11, 2004 7:53 PM
Subject: Re: [AMRadio] Mod xmfr


> Check here:
> http://www.amwindow.org/tech/htm/813/813.htm
> 
> ----- Original Message ----- 
> From: "Crawfish" <crawfish at surfmore.net>
> To: <rbethman at comcast.net>; "Discussion of AM Radio" 
> <amradio at mailman.qth.net>
> Sent: Monday, October 11, 2004 7:38 PM
> Subject: Re: [AMRadio] Mod xmfr
> 
> 
> >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
> >> +-------------------------------+----------------------------------+
> >> | N0DGN AMRadio Manassas, VA    |    REAL Tube Radio and AM 
> >> |
> >> +-------------------------------+----------------------------------+
> >> |       Manassas Radio - Home of Homemade Kielbasa & Pirogi 
> >> |
> >> +-------------------------------+----------------------------------+
> >> | Bob Bethman                \\\|///     " The absence of a 
> >> danger |
> >> | rbethman(at)comcast.net   \\ ~ ~ //      signal does *NOT* mean 
> >> |
> >> |                           (/ @ @ /)      that everything is OK 
> >> " |
> >> +-------------------------oOOo-(_)-oOOo----------------------------+
> >> |               <http://home.comcast.net/~rbethman> 
> >> |
> >> | 1 BC-610I w/BC-614I,1 T-213/GRC-26 w/BC614I 1 '51 Collins 
> >> R-390A |
> >> | 1 '67 EAC R-390A, Heathkit DX-60, Apache, Mohawk, SX-101, 
> >> HT-32A |
> >> +------------------------------------------------------------------+
> >> |           Amateur Astronomer - Celestron Nexstar 8 
> >> |
> >> |             12" f5 Dob coming soon!  Being built 
> >> |
> >> |                  Meade ETX-60 (Got it back!) 
> >> |
> >> |               38 Deg 46.8' N - 77 Deg 28.5' W 
> >> |
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> >
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