Barry, I doubt your choke has anywhere near the inductance needed to do the job. I think a careful read of the paper you reference will show what you need to do.
73, Mike NF4L On 10/3/12 7:50 PM, Barry wrote: > I set up a common mode choke with 3 turns of coax through 2 ferrites, similar > to the figure 2 on p. 18 of this document: > http://www.yccc.org/Articles/W1HIS/CommonModeChokesW1HIS2006Apr06.pdf > I placed it outside, near the feedpoint. it did not change anything. > > Geoff, I have 20-25 ft of coax outside and about 15 feet inside. > > Barry W2UP > > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K3-Hi-SWR-when-sending-CW-tp7563645p7563674.html > Sent from the Elecraft mailing list archive at Nabble.com. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
