Also, if you are fortunate enough to have a QTH that enables an unusually low noise floor, engaging the preamp should push the 'lines' below the noise floor.
73, Dale - WA8SRA > Bill, > > That's normal and nothing to worry about as band noise covers it. There > was a posting about this before, that I can't locate just now. It is > mainly from internally produced noise from the switched mode regulators in > the PX3 apparently. > > 73 from David GM4JJJ > >> On 20 Jun 2016, at 04:21, Bill Frantz <fra...@pwpconsult.com> wrote: >> >> Probably I'll kick myself for asking a dumb question, but here goes. >> >> Receiving on a dummy load, I am getting a pattern of lines on the PX3 >> screen with my KX3. There are 5 strong lines and 2 week lines >> symmetrically on either side of the green bar (tuned frequency). When I >> tune the KX3, they move with the green bar. They move down by about 8 >> KHz when I switch RX SHFT to 8.0 from NOR. The closest lines to the >> tuned frequency are about 12 KHz above and below it. The other lines are >> not evenly spaced, but are spaced about 3-6 KHz apart. Turning RX ISO on >> has no effect. >> >> When I attach an antenna, I get normal results from signals on the band. >> The signals are not distributed symmetrically they way they would be if >> the I/Q cable was not inserted all the way on the PX3 and KX3. (And I >> pushed really hard too.) >> >> Any ideas of what is going on? Any way to "cure" it? >> >> Thanks in advance. >> >> 73 Bill AE6JV >> >> ----------------------------------------------------------------------- >> Bill Frantz | Since the IBM Selectric, keyboards have gotten >> 408-356-8506 | steadily worse. Now we have touchscreen keyboards. >> www.pwpconsult.com | Can we make something even worse? >> >> ______________________________________________________________ >> 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 gm4...@yahoo.co.uk > > ______________________________________________________________ > 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 d...@lightstream.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
