John Would you put that under "Worked All Molars?"
Paul KB9AVO On Fri, Jun 18, 2021, 10:35 PM Wayne Burdick <[email protected]> wrote: > John, > > If the K4 is *off*, then there's no active circuitry involved. However, > the headphone plug-insertion detect circuit may involve an IC downstream > that could include a schottky diode junction -- a potential way a very > strong signal could be rectified right at the radio end of the cable. We're > looking at that. > > If the cable is not very well shielded, and the TV station is *very > strong*, I can imagine modern physics just barely covering this situation. > It would help if the headphone cable was about the length of an end-fed > dipole at the station's frequency. > > As for the K4 chassis itself: It's very well sealed (far better than the > K3/K3S). > > Wayne > N6KR > > > > > On Jun 18, 2021, at 3:36 PM, John Harper <[email protected]> wrote: > > > > https://www.youtube.com/watch?v=u1XRaNpgQDI > > > > John AE5X > > https://ae5x.blogspot.com > > > >> 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. > > ______________________________________________________________ > > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
