Thumps are often a symptom of RF ingress in the audio stage. Is the thump effect reduced as the K3's transmit power is reduced?
Paul, W9AC ----- Original Message ----- From: "The Smiths" <[email protected]> To: "Elecraft Reflector" <[email protected]> Sent: Tuesday, April 27, 2010 9:45 PM Subject: [Elecraft] FW: QSK THUMPS? > > > > I've heard this as well. Mostly when doing QSK with the Sub Receiver on, > and even more so when in Diversity Mode. I think that it has to do with > your Xmitted signal being heard by the receiver. Wayne had adjusted this > at one time, but it seems to be an issue again. > I find that if I turn on the NB it helps reduce it. > > > > > >> Date: Tue, 27 Apr 2010 17:07:06 -0700 >> From: [email protected] >> To: [email protected] >> Subject: [Elecraft] QSK THUMPS? >> >> When my K3 switches between T & R in full QSK mode, I hear audio thumps. >> [The tramsmitted signal is apparently clean with no clicks; I always get >> good signal quality reports.] >> >> Now, My K2 has no such thumps; you can't tell when the radio switches >> between T & R by listening to the audio. >> The transmitted cw sidetone sounds just like any other cw signal, with >> no thumps or other noise. >> >> I would like my K3 to be the same. >> >> Is there anything I can do to attenuate the K3's audio thumps? >> >> eric >> VA7DZ >> >> K3 3620 + >> 500 W ICOM amp >> >> >> >> >> -- >> This message has been scanned for viruses and >> dangerous content by MailScanner, and is >> believed to be clean. >> >> ______________________________________________________________ >> 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 > > > > > > > > The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with > Hotmail. Get busy. > > _________________________________________________________________ > The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with > Hotmail. > http://www.windowslive.com/campaign/thenewbusy?tile=multicalendar&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5 > ______________________________________________________________ > 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 -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.437 / Virus Database: 271.1.1/2839 - Release Date: 04/27/10 18:27:00 ______________________________________________________________ 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
