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[TowerTalk] Baluns

To: <towertalk@contesting.com>
Subject: [TowerTalk] Baluns
From: dhearn@ix.netcom.com (Dan)
Date: Mon Jul 21 10:13:58 2003
ISBN 0-943016-24-X  It is published by CQ and I purchased it at the CQ booth
at Hamcom convention in Dallas. 73, Dan, N5AR

----- Original Message -----
From: j.a.hermans <j.a.hermans@skynet.be>
To: Dan <dhearn@ix.netcom.com>; <towertalk@contesting.com>
Sent: Monday, July 21, 2003 3:07 AM
Subject: Re: [TowerTalk] Baluns


> Who is the author, editor, of that book Dan. Or what is the the ISBN
number
> ?
> Thanks for a shout
>
> Jos on4kj
>
>
> ----- Original Message -----
> From: "Dan" <dhearn@ix.netcom.com>
> To: <towertalk@contesting.com>
> Sent: Sunday, July 20, 2003 7:47 PM
> Subject: [TowerTalk] Baluns
>
>
> > I recently purchased Sevicks new book "Understanding,Building, and Using
> Baluns and Ununs" . It covers designs with ratios from 1 up to 16. I
> particularly like the fact that he talks about power ratings and the
effect
> of mismatch terminations on baluns and ununs. He discusses various
> commercial baluns and he is quite outspoken about the weaknesses in  many
of
> them. For 1:1 use, he rates the W1JR balun design as superior and devotes
> quite a bit of space to it. His measurements showed no advantage to the
> cross over design versus the conventional progressive winding but the
> crossover system does bring the ends of the coax out on opposite sides of
> the core, a mechanical convenience.
> >   Fortunately for us, the W1JR design is very simple to build and I plan
> to continue using it and retiring my ferrite bead jobs.
> >
> > 73, Dan, N5AR
> >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
any
> questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> >
>
>
>

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