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[TowerTalk] Bead Material for Current Balun

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Subject: [TowerTalk] Bead Material for Current Balun
From: calav@flash.net (Ken Hirschberg)
Date: Thu, 08 Jul 1999 15:42:13 -0700


Ken Hirschberg wrote:

> Hello, Ralph -
> Yes, the 77 material is fine, and is probably a better choice for 160 meters.
> The reference may be a typo; Amidon lists only a 1020 size in the 43
> material.(same half-inch ID, but shorter)  You're just choking off potential
> "double-L" current, which hopefully would be small, so heating should not be a
> problem at legal powers.
>
> Regards, Ken  K6HPX
>
> Ralph Fedor wrote:
>
> > I want to slip a stack of beads over the terminal end of my RG-213 supplying
> > my 160 antenna (1/4 wave vertical wire suspended from a catenary line with 8
> > elevated radials at 12 feet).
> >
> > ON4UN's book recommends Amidon 43-1024.  I can only find 77 material  in
> > Amidon's listing.  Is this a typo?   Will 77 material (77-1024) be OK?
> >
> > Responses to me OK.
> >
> > 73-
> > Ralph - K0IR
> >
> > --
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