I have the same. Also on a number of other places between 0.5 - 30 MHz. Was there any response from Elecraft on this?
/ SM2EKM ------------ N2TK wrote: > James, > I am getting a much lower level of noise than you. With no antenna and the > preamp off, the first bar on the S-meter barely flickers. When I spin the > dial quickly I can get as high as S3 noise. The noise disappears below 4.930 > and above 5.110. > > I only hear the noise in the main receiver. I can spin the dial on the > sub-receiver, if turned on and also hear the noise in the main receiver. > There is never noise in the sub-receiver. With a dummy load on ANT 1, ANT 2, > AUX and RCV inputs there is noise in the main receiver when spinning the > dial with any antenna port selected. > > Once I have an antenna hooked up and the background noise is at least S3 on > that antenna port I can't hear the noise when spinning the dial. > > > Yes, you can forward this info to whomever you want. > > 73, > N2TK/NP2, Tony > > > > -----Original Message----- > From: James Sarte [mailto:kc2...@gmail.com] > Sent: Sunday, March 01, 2009 10:06 PM > To: 'N2TK' > Cc: elecraft@mailman.qth.net > Subject: RE: [Elecraft] Weird EMI issue... part deux > > Hi Tony, > > Thanks for taking the time to do that test for me. > > I do hear the noise with an antenna connected, but the antenna is not tuned > for 5MHz so the noise floor is pretty low. I do not hear this noise through > the sub receiver if I use the AUX BNC connector, but I will hear it through > the sub receiver if it's using the same antenna as the main receiver. > > Otherwise, everything else you've described is what I'm experiencing. This > noise is around an S5 to maybe S7 on the meter when I move the VFO knob. > > As you also discovered, turning the preamp on raises the noise floor masking > most of the EMI. It's not very noticeable when the preamp is on. > > Would it be OK to forward this email to Elecraft tech support? I've been > maintaining a running dialogue with them regarding this issue, and your > findings may help them to develop a solution. > > Thanks again and 73, > James KC2UEE > > > > -----Original Message----- > From: N2TK [mailto:tony....@verizon.net] > Sent: Sunday, March 01, 2009 8:32 PM > To: 'amstel78' > Cc: elecraft@mailman.qth.net > Subject: RE: [Elecraft] Weird EMI issue... part deux > > I was using SSB settings and had an antenna hooked up. I did not hear any > noise > > I put a dummy load on the antenna jack and used AM mode. I can hear noise as > I turn the dial. I can just barely hear the noise when I turn on the preamp. > And with any antenna hooked up I do not hear any noise at all as I turn the > dial. > > Jim, do you hear this noise with an antenna hooked up? I do not, so as far > as I am concerned it does not exist. However if you hear this noise when you > have an antenna hooked up you need to talk some more to Elecraft support. > > 73, > N2TK/NP2, Tony > > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
