Topband: Two 2:1 transformers to choose from!!

[Charlie Cunningham]

That's great, Jim!  Let me know how it plays!

73,
Charlie, K4OTV

-----Original Message-----
From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of James
Rodenkirch
Sent: Thursday, August 22, 2013 3:00 PM
To: Charlie Cunningham; 'Mike Waters'; 'topband'
Subject: Re: Topband: Two 2:1 transformers to choose from!!

When time permits, Charlie, I will do just that!  Almost done with
everything up to the two boxes with the switchable components - resistor,
xfmr - as I await the xfmr(s) arrival.  Outta be listening by Sunday
morning!!  
 
> From: charlie-cunningham at nc.rr.com
> To: rodenkirch_llc at msn.com; mikewate at gmail.com; topband at contesting.com
> Subject: RE: Topband: Two 2:1 transformers to choose from!!
> Date: Thu, 22 Aug 2013 14:41:40 -0400
> 
> Well, Jim
> 
> Since  you wound both transformers, why not try them both, and see if you
> can measure any difference? I' guessing you won't see much!
> 
> 73, 
> Charlie, K4OTV
> 
> -----Original Message-----
> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of James
> Rodenkirch
> Sent: Thursday, August 22, 2013 2:00 PM
> To: Mike Waters; topband
> Subject: Re: Topband: Two 2:1 transformers to choose from!!
> 
> Thanks, Mike - will try the 2:3 ratio one first! 
>  
> > Date: Thu, 22 Aug 2013 10:21:14 -0500
> > From: mikewate at gmail.com
> > To: rodenkirch_llc at msn.com; topband at contesting.com
> > Subject: Re: Topband: Two 2:1 transformers to choose from!!
> > 
> > P. 7-69 of Low Band Dxing (5th ed.) by ON4UN says a maximum of 4 turns
on
> > the low-Z primary for binocular cores. It might work, but there are
other
> > turns ratios you might try.
> > 
> > Here is a list of turns ratios for those cores I made:
> > http://www.w0btu.com/Binocular_core_turns_ratios.pdf
> > If you get a 500 Server Error message, contact me directly and I'll
e-mail
> > it to you.
> > 
> > 73, Mike
> > www.w0btu.com
> > 
> > On Wed, Aug 21, 2013 at 3:49 PM, James Rodenkirch
> <rodenkirch_llc at msn.com>wrote:
> > 
> > > I received enuff "info" and thoughts to know I'll utilize the 5:7
> winding
> > > version.
> > >
> > _________________
> > Topband Reflector
>  		 	   		  
> _________________
> Topband Reflector
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Topband Reflector