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[TowerTalk] Ferrite- Type 31 Material

To: Towertalk <towertalk@contesting.com>
Subject: [TowerTalk] Ferrite- Type 31 Material
From: Richard Zalewski <dick.w7zr@gmail.com>
Reply-to: Richard Zalewski <dick.w7zr@gmail.com>
Date: Sat, 18 Dec 2004 09:14:14 -0700
List-post: <mailto:towertalk@contesting.com>
I continue to do research on selecting the correct ferrite for HF RFI
problems.  What I have found so far is that it appears that Type 31
material is best suited for 1-30 Mhz.  This is not the usual 43 or 77
material sold by most.  43 and 77 have a wider range but not the
impedance in the 10mhz range as 31.  Before I go order up a bunch of
31 material stuff does anyone have any experience using 31 material?

-- 
Tnx es 73
Dick W7ZR
_______________________________________________

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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