Gary KA1J - take a look at this excellent article on ferriste baluns by GM3SEK:
http://www.ifwtech.co.uk/g3sek/in-prac/inpr1005_ext_v2.pdf
73
Tom G3OLB
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Topband Reflector
Unfortunately, optimum balun impedance and design really depends heavily on
the application,. There is no magic design that works best for all
applications, and the issue is so complex that almost any article falls
short.
For example, the 5000 ohms pure R will not work at 1500 watts with all
Going to be an interesting evening.
Just finished an FCP in the woods with an SWR of 1.5:1
at 1.825 MHz.
About to connect some coax and give it a try.
Am very excited - and very pooped !
jim / W1FMR
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Topband Reflector