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Re: [TowerTalk] Ferrite beads for common mode current

To: <n7ka@comcast.net>, "TowerTalk" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Ferrite beads for common mode current
From: "jeremy-ca" <km1h@jeremy.mv.com>
Date: Wed, 25 Jul 2007 18:58:29 -0400
List-post: <mailto:towertalk@contesting.com>
That is a 43 mix and a good choice; that is what I use on my 6M yagis. Six 
to eight is adequate.

Carl
KM1H


----- Original Message ----- 
From: <n7ka@comcast.net>
To: "TowerTalk" <towertalk@contesting.com>
Sent: Wednesday, July 25, 2007 4:58 PM
Subject: [TowerTalk] Ferrite beads for common mode current


> Getting ready to install another 6M yagi here and building another for a 
> friend.  Want to use a choke on the feed line which will be either RG-213 
> (MIL-C-17 compliant) or on LMR-400UF (super flex).  In all cases I want 
> the capability for 1500W.  I do not like the idea of additional connectors 
> so my plan is to but the beads on the line at feedpoint of the cable that 
> goes down to the hardline just below the top of the tower.  Would 
> Fair-Rite 2643102002 be the correct choice?  The id at 0.505 inch is large 
> enough to fit over the RG-213/LMR-400.  Or do I need another mix and how 
> many beads.
>
> Arne N7KA
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