I bought the radio used earlier in the year. I believe that it is sn in late 2000 but it was to factory in 2010 for upgrades. I listened on same antenna with ic-765 and no issues. Are there and settings which are band dependent that could be causing the problem?
Barney On Nov 12, 2011, at 9:28 PM, "w0mu [via Elecraft]" <[email protected]> wrote: > The only distortion I have seen is with the NB on which he said he > checked. Is this an early version of the radio? Maybe this is a case > of oxidation on the connectors. Only hearing it one band makes this a > very interesting problem. > > Mike W0MU > > J6M CQ WW DX CW Contest 2011 > J6/W0MU November 21 - December 1 2011 > W0MU-1 CC Cluster w0mu.net > > > On 11/12/2011 7:25 PM, Don Wilhelm wrote: > > > Whoops, I did not catch that on the first reading. I concede and have > > no easy answers. Even so, the SSB demodulation in the K3 is not band > > dependent either, so a good look at your antenna system and > > consideration for the reception of interfering signals from consumer > > devices are prime candidates for investigation. > > > > 73, > > Don W3FPR > > > > On 11/12/2011 9:15 PM, cbscholl wrote: > >> Why would rf feedback be causing an issue on receive? > >> > >> Barney > >> > >> On Nov 12, 2011, at 8:46 PM, "Don Wilhelm-4 [via Elecraft]"<[hidden > >> email]> wrote: > >> > >>> Barney, > >>> > >>> The most common cause for problems of that nature is RF feedback in the > >>> shack. If you have another receiver, listen to the transmitted audio > >>> while the K3 is connected to a dummy load. If there are no problems > >>> with that configuration, take a serious look at your antenna system for > >>> that troublesome band. > >>> > >>> There is nothing in the K3 modulation scheme that is band dependent - in > >>> other words, if it works OK on one band, it should work well on all > >>> bands unless something external to the K3 is causing a problem. > >>> > >>> 73, > >>> Don W3FPR > >>> > >>> On 11/12/2011 7:34 PM, cbscholl wrote: > >>>> I believe that I am hearing raspy or slightly distorted audio on receive > >>>> on > >>>> my K3. It has current mods. I have noticed the problem only on 15 > >>>> meters. > >>>> The other band seem fine. Does anyone have any ideas or suggestions? > >>>> Barney > >>>> > >>> ______________________________________________________________ > >>> Elecraft mailing list > >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >>> Help: http://mailman.qth.net/mmfaq.htm > >>> Post: mailto:[hidden email] > >>> > >>> This list hosted by: http://www.qsl.net > >>> Please help support this email list: http://www.qsl.net/donate.html > >>> > >>> > >>> If you reply to this email, your message will be added to the discussion > >>> below: > >>> http://elecraft.365791.n2.nabble.com/Raspy-audio-on-ssb-on-one-band-tp6988925p6989005.html > >>> To unsubscribe from Raspy audio on ssb on one band, click here. > >>> See how NAML generates this email > >> -- > >> View this message in context: > >> http://elecraft.365791.n2.nabble.com/Raspy-audio-on-ssb-on-one-band-tp6988925p6989022.html > >> Sent from the Elecraft mailing list archive at Nabble.com. > >> ______________________________________________________________ > >> Elecraft mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >> Help: http://mailman.qth.net/mmfaq.htm > >> Post: mailto:[hidden email] > >> > >> 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:[hidden email] > > > > 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:[hidden email] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > If you reply to this email, your message will be added to the discussion > below: > http://elecraft.365791.n2.nabble.com/Raspy-audio-on-ssb-on-one-band-tp6988925p6989030.html > To unsubscribe from Raspy audio on ssb on one band, click here. > See how NAML generates this email -- View this message in context: http://elecraft.365791.n2.nabble.com/Raspy-audio-on-ssb-on-one-band-tp6988925p6989060.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ 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

