I have used one for years. That said, I have had to replace the line isolator several times!
Also have one in the shack. Tom W4KX Sent from my iPad > On Nov 8, 2023, at 10:49 AM, j...@kk9a.com wrote: > > I am not very familiar with a Carolina Windom but I believe it is just a > horizonal wire fed off center. These types of antennas can have significant > common mode current on the feedline. Perhaps there is more current on 40m > than on 80m so it works on 80m. > > A resonant dipole with a choke may solve this HI CUR issue. > > John KK9a > > > > > Pete Smith N4ZR wrote: > > I send a few characters of CW into my Carolina Windom on 40M and after a > delay (1-5 seconds after I stop sending) the K3 flashes a HI CUR > warning, and the audio gain is reduced significantly. Touch the AF gain > control and it instantly returns the gain to normal, but frequently the > HI CURR warning returns over and over, without any additional > transmissions. This sequence does not happen, even with 1500 watts, > into my dummy load, nor does it happen on the same antenna on 80M, or on > 20 meters on my tribander. > > I've read the HI CUR warning discussion on page 65 of the manual, but it > doesn't seem relevant, because I don't have external speakers. The fact > that it only happens when feeding an actual antenna on one band > suggests RFI, but the fact that the HI CUR warning and gain reduction > recur again and again long after any RF has me puzzled. Any suggestions > gratefully accepted! > > -- > 73, Pete N4ZR > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to w...@mac.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
