We’re testing a fix. W
---- elecraft.com > On Jun 18, 2021, at 2:21 PM, Tom Doligalski via Elecraft > <elecraft@mailman.qth.net> wrote: > > Interesting, and possibly related (and I kind of forgot till I read Jim’s > email). > > Noticed that when the antenna are disconnected, and the K4 turned off, I hear > a local TV station in the headphones… Never happened on the K3. > > Headphones connected to the rear panel jack. > > Gonna get out the ferrites… > > Tom W4KX > > Sent from my iPad > >>> On Jun 18, 2021, at 2:07 PM, Jim Brown <j...@audiosystemsgroup.com> wrote: >>> >>> On 6/18/2021 3:58 AM, Tom Doligalski via Elecraft wrote: >>> For years I used a Radiosport headset with my K3. Worked like a champ. >>> Since I received my K4 I noticed annoying RFI-induced feedback on the >>> Radiosport when operating SSB on the K4. Monitor is set to 0. >> >> I would blame that on the radio. Elecraft has a long history of Pin One >> Problems, which are a well known cause of RFI. I first alerted Wayne to this >> at least 15 years ago. Elecraft is not unique in the regard -- the last time >> I was at Dayton, several years ago, EVERY radio on display in booths that I >> was able to look at had obvious Pin One Problems. The following links were >> written nearly 20 years ago. Pro audio has mostly cleaned up its act. Ham >> radio is still in the dark ages. >> >> http://k9yc.com/Pin_1_Revisited.pdf >> http://k9yc.com/Pin_1_Revisited_Part_2.pdf >> >> 73, Jim K9YC >> ______________________________________________________________ >> 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 n...@elecraft.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