Fellow Tower Talk veterans:
A friend of mine in South Africa wants to buy a 2.25" ferrite core to build
a balun to match 22 ohms to 50 ohms which is described in "Building and
Using Baluns and Ununs" by Jerry Sevick. I don't have a copy of the book and
neither does he in South Africa, as he had simnply heard about the balun. The
core material is being used to replace a coax cable/balun that KLM used on its
40m beam. Only information I have from South Africa. Anyone who might have a
copy of the book can tell me what type of ferrite material is needed to
construct thisa type of balun? I told him I'd find it here and ship it to him
in SA.
Tom, WW5L
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