On 2/5/02 1:37 PM, ABowenN4OO at abowen@nettally.com wrote:
>How many beads of what type material are needed to construct a choke balun,
>using RG303, for a balanced antenna operating 40M-10M?
One.
>How many beads for the same thing operating from 80M-10M?
One.
Use an FT-240-77. Wind the coax on the core. For a 50 ohm feedpoint,
about 6 turns should be adequate for 40m-10m. 8-9 turns for 80m-10m.
This isn't the W2DU design, but the W1JR design. Same principle,
different execution.
Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901
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