Re: [TowerTalk] BigIR question

["David Robbins" <k1ttt@verizon.net>]

>>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

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