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October 8th 10, 08:56 PM
posted to rec.radio.amateur.antenna
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Common Mode chokes
On Fri, 08 Oct 2010 11:14:13 -0400, John Ferrell wrote:
I have been faithfully using a coil of coax as a common mode choke for a while without any idea if it is really doing any thing. Googling turns up more url's than I can follow. I would appreciate any suggestions as to how might measure the effects of the common mode choke. 30 to 17 meters is my favored range of operation. I have a pretty well equipted shack. John Ferrell W8CCW I have had some success with short pieces of copper tubing slipped over coax. however, I have no way of checking it to measure how effective this is |
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