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Topband: Choke Balun

To: <topband@contesting.com>
Subject: Topband: Choke Balun
From: btippett@alum.MIT.edu (Bill Tippett)
Date: Sun, 19 Dec 1999 12:55:15 +0000
GM3POI wrote:

>Has anybody made a successful RG213 choke balun @ 1.83

Clive, Amidon makes ferrite cores that will fit over RG213.  I
used 12 FB77-1024 cores making a total sleeve of about 12 inches
for feeding my Delta loop several years ago.  Don't know how well
it worked but it was warm to the touch after transmiting for
awhile so it must have been absorbing some current, hi!

                                                73,  Bill  W4ZV


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