| To: | <towertalk@contesting.com> |
|---|---|
| Subject: | Re: [TowerTalk] BigIR question |
| From: | "David Robbins" <k1ttt@verizon.net> |
| Reply-to: | k1ttt@arrl.net |
| Date: | Thu, 7 Dec 2017 19:23:30 -0000 |
| List-post: | <mailto:towertalk@contesting.com> |
>>Air core coils are of questionable value as common mode chokes, for reasons I articulated in k9yc.com/RFI-Ham.pdf >>The better solution is a ferrite core choke with balls. :) Air core is better than cracked ferrites and melted coax in those little pvc cans!! And can be done quickly with materials at hand without having to worry about getting enough ferrite mass to handle whatever burned up those supposed 3kw rated 'baluns'. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://wiki.k1ttt.net AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373 _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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