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Re: [RFI] Snap-on Ferrites

To: <john@kk9a.com>, <rfi@contesting.com>
Subject: Re: [RFI] Snap-on Ferrites
From: "Ed K0iL" <eddieedwards@centurylink.net>
Reply-to: eddieedwards@centurylink.net
Date: Sun, 18 Jun 2017 22:19:41 -0500
List-post: <mailto:rfi@contesting.com>
John, 

Seems we can always get more turns around a toroid ferrite (several) than
you can on a snap on ferrite (maybe one).  This would make snap-ons less
effective than a toroid core based on number of turns.  

73, de ed -K0iL

-----Original Message-----
From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of john@kk9a.com
Sent: Sunday, June 18, 2017 9:44 PM
To: towertalk@contesting.com; rfi@contesting.com
Subject: [RFI] Snap-on Ferrites

I was reading the recent QST article RF Mayhem by WB8IMY. The author said to
avoid using snap-on ferrites for problems caused by HF signals as they
rarely work well at HF. It is best to stick with circular cores.  

Is this correct?  I was not aware that snap-ons were less effective.

John KK9A

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