Re: [Elecraft] Problem Tuning K3-" Balun"
A common mode choke (not really a balun) at a point of high SWR can heat up and as it does so everything drifts, making tuning impossible. Been there, done that using high power to a 160m Inverted-L that was close to resonant, but due to expediency was fed at a point of high SWR. A relayout of the antenna to lower the SWR fixed everything using the same choke (which luckily hadn't been permanently damaged). 73, Dave From: Bill via Elecraft Sent: Tuesday, November 2, 2021 6:15 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Problem Tuning K3 Jim, I assume your using a balun with your OFC antenna. I had a similar problem with my OCF that turned out to be the balun. It was fine under low power but would not tune under high power. Thanks, Bill - W0BBI __ 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
Re: [Elecraft] Problem Tuning K3-" Balun"
U Get Outlook for iOS<https://aka.ms/o0ukef> From: elecraft-boun...@mailman.qth.net on behalf of Ray Sent: Tuesday, November 2, 2021 10:00:06 AM To: bw39...@yahoo.com ; elecraft@mailman.qth.net Subject: Re: [Elecraft] Problem Tuning K3-" Balun" I agree…. Feedline’s Best Friend ! WA6VAB Ray K3 From: Bill via Elecraft Sent: Tuesday, November 2, 2021 6:15 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Problem Tuning K3 Jim, I assume your using a balun with your OFC antenna. I had a similar problem with my OCF that turned out to be the balun. It was fine under low power but would not tune under high power. Thanks, Bill - W0BBI __ Elecraft mailing list Home: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631786019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=BpK6NwlWmpuGSxPXnrbv%2ByVNJD6CWJTB4rCvYuWnOmg%3Dreserved=0 Help: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmmfaq.htmdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631786019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=khm51b329ULrby9NEZ4gIcuFvb87LYo2jzEvr3ZExYM%3Dreserved=0 Post: mailto:Elecraft@mailman.qth.net This list hosted by: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qsl.net%2Fdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631786019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=z4V%2Bst2LC1Z8xWzGMDYZXFFJijp5Y9qCKATbveTqipo%3Dreserved=0 Please help support this email list: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qsl.net%2Fdonate.htmldata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631786019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=8bQ2%2BlnRv%2F9muZmlrrF628s9%2FKyPTBmYZVM8GoyKP68%3Dreserved=0 Message delivered to wa6...@gmail.com __ Elecraft mailing list Home: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmailman%2Flistinfo%2Felecraftdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631786019%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=BpK6NwlWmpuGSxPXnrbv%2ByVNJD6CWJTB4rCvYuWnOmg%3Dreserved=0 Help: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmailman.qth.net%2Fmmfaq.htmdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631795976%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=BxccOpaIiR97tPLc5ujFFRCkjgo69JzHS8rpl%2B3MwXM%3Dreserved=0 Post: mailto:Elecraft@mailman.qth.net This list hosted by: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qsl.net%2Fdata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631795976%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=HMABokYpjsnCFq5DCaqZg4eq%2FWwMMJNi0MqVWlAnjmc%3Dreserved=0 Please help support this email list: https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.qsl.net%2Fdonate.htmldata=04%7C01%7C%7C23d27e0d33b1412f4e4b08d99e119622%7Cacac7506b78d4bb49caa210be3a8951e%7C0%7C0%7C637714620631795976%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=H5jHXEa7o01ZBZKgVFtkNbb4Di656Y%2F2ckpu6Db65YI%3Dreserved=0 Message delivered to j...@selectconnect.net __ 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
Re: [Elecraft] Problem Tuning K3-" Balun"
I agree…. Feedline’s Best Friend ! WA6VAB Ray K3 From: Bill via Elecraft Sent: Tuesday, November 2, 2021 6:15 AM To: elecraft@mailman.qth.net Subject: [Elecraft] Problem Tuning K3 Jim, I assume your using a balun with your OFC antenna. I had a similar problem with my OCF that turned out to be the balun. It was fine under low power but would not tune under high power. Thanks, Bill - W0BBI __ 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 wa6...@gmail.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
