I recall commenting earlier. What TX EQ values are being used for AM. ? Bob, K4TAX
Sent from my iPhone > On Apr 26, 2019, at 5:48 PM, Nicklas Johnson <[email protected]> wrote: > > My desk in this case sits adjacent a wall, and there's only a shower on the > other side of that wall. I did turn off everything in the vicinity of the > desk and all the lights in the room (I've in fact heard a very similar hum > from the switching power supply for my mixer, and my first thought was it > was this that was being picked up), but I didn't turn off the computer on > the other side of the room. In this case it will be easier to move the rig > outdoors with a battery than it will be to turn that computer off for the > moment. It would have to be an impressively/obnoxiously strong magnetic > field from that side of the room to influence the transformers inside the > rig 8 feet away, but it's worth trying and simple enough to rule it out. > > Nick > >> On Fri, 26 Apr 2019 at 14:51, Don Wilhelm <[email protected]> wrote: >> >> In addition to operating from a battery isolated from the solar system, >> I would recommend that you do a quick test - remove all cables from the >> K3S except the power cable and a coax to a dummy load. Power down all >> power supplies in your station, including any desk lamps. >> Go into Transmit by tapping the XMIT button. >> Is the hum still present? If not, then start connecting things to your >> K3S one at a time, doing the same test after each thing connected. >> >> Of course, if the hum is present with nothing connected, contact >> [email protected] - but I cannot imagine a hum with harmonics of 60 >> Hz being induced if you take away all the 60 Hz operated sources in the >> area. >> >> 73, >> Don W3FPR >> >> -- > *N6OL* > Saying something doesn't make it true. Belief in something doesn't make it > real. And if you have to lie to support a position, that position is not > worth supporting. > ______________________________________________________________ > 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
