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Old March 28th 06, 04:59 AM posted to rec.radio.amateur.antenna
Cecil Moore
 
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Default what a 1:1 choke balum used for

wrote:
I desided to open the pvc to find out just what was inside, I found a
bunch of ferrite disk stacked over the coax, this wasent my idea of a
1:1 balum.


You have what is commonly known as a W2DU 1:1 balun-choke
made popular by Walter Maxwell. It's probably not very
effective on 80m and 160m because of the choice of
ferrite materials.
--
73, Cecil
http://www.qsl.net/w5dxp