Matt, you are right ... I thought the K3 was dead ... but part of the problem is band conditions ... thanks for the comment.
-----Original Message----- From: Matt Zilmer [mailto:mzil...@verizon.net] Sent: Saturday, September 11, 2010 7:40 PM To: Sanger, Joseph Cc: elecraft@mailman.qth.net Subject: Re: [Elecraft] P3 Misbehaving? Idea: Change in propagation causes different band noise levels. Same with geomagnetic activity, number of neighbors in the building, you name it. matt W6NIA K3 #24 P3 #14 On Sat, 11 Sep 2010 18:34:26 -0400, you wrote: >Just assembled P3 a few days ago. Having a problem that I can't seem to solve. > >Background: Haven't done K3 OUT mod yet (SN 113 ---- fairly old) ... really >am apprehensive about opening up K3 again ... but I know I'm just being >neurotic ... will face any weekend now). > >The P3 was pretty much performing as expected ... given that I haven't done >the above mode yet, and I live in manhattan with a mediocre hamstick hung >outside my window .. I could generally see strongest stations above a lot of >noise on P3. That was good. > >But over past few days, it seems that the sensitivity of the device was >diminishing .. started to have trouble seeing the few stations that I could >actually hear above the noise on my K3 ... and then today, it now appears that >the P3 is basically deaf to the K3 ... I see some low ampitude noise, which >doesn't vary in appearance with or without the coax cable to the IF OUT of the >K3 plugged in. I am listening to a fairly strong Italian CW station now on 20 >meters now, sticking his head above the omnipresent S5-6 noise ... armchair >copy, if you will, but all I see is noise at the bottom of the P3 screen. The >center frequency tracks my K3 nicely ... but no matter how I adjust the REF, >SCALE and SPAN, all I see is noise. > >Any thoughts would be welcome. Yes, I will dive in and do the IF OUT mod, but >am trying to understand the curious behavior, and to see if it sounds familiar >to anyone. > >Thanks in advance > >-- WB2SSB > >Joseph J. Sanger, M.D. >Associate Professor of Radiology >Director, Radiology Informatics > >------------------------------------------------------------ >This email message, including any attachments, is for the sole use of the >intended recipient(s) and may contain information that is proprietary, >confidential, and exempt from disclosure under applicable law. Any >unauthorized review, use, disclosure, or distribution is prohibited. If you >have received this email in error please notify the sender by return email and >delete the original message. Please note, the recipient should check this >email and any attachments for the presence of viruses. The organization >accepts no liability for any damage caused by any virus transmitted by this >email. >================================= > >______________________________________________________________ >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 ------------------------------------------------------------ This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain information that is proprietary, confidential, and exempt from disclosure under applicable law. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this email in error please notify the sender by return email and delete the original message. Please note, the recipient should check this email and any attachments for the presence of viruses. The organization accepts no liability for any damage caused by any virus transmitted by this email. ================================= ______________________________________________________________ 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
