Thanks Don, Yup that did it. I did use spectrogram. When I added the 100 watt option and upgraded CPU's, something got out of kilter. Now it's better but everybody's CW note is just a hair raspy sounding. But at least I know I'm on the right track now. THANKS! Roland #3090 ----- Original Message ----- From: "Don Wilhelm" <[EMAIL PROTECTED]> To: "Roland & Elvie Whitsitt" <[EMAIL PROTECTED]>; "Tom Hammond" <[EMAIL PROTECTED]> Cc: "elecraft" <[email protected]> Sent: Sunday, February 26, 2006 4:46 PM Subject: RE: [Elecraft] transmit and reciever alignment
> Roland, > > It is most likely a filter alignment problem, but I will reserve final > judgement until you answer some questions about how you are operating. > > Did you do your filter alignment with Spectrogram? If not, the visual > display of the filter passbands makes alignment a snap, but besides, if you > just set them 'by ear', it is difficult to find the filter center, so you > may be off quite a bit. > > Second, were you listening with any filter other than FL1? If the filters > are aligned, this is not a problem, but if not aligned, that could be > explaination of your problem. > > Try using FL1 for both transmit and receive and see if your listen frequency > is not also your transmit frequency - if it is not, then you have something > other than a filter alignment problem. Don't forget to take into account > the fact that the K2 display is offset on receive by the amount of your set > sidetone pitch, so the frequency on the K2 display should be your transmit > frequency. For this reason, it is important to listen to a signal at the > same audio pitch as your sidetone pitch. The K2 will indicate the carrier > frequency of the signal you are listening to provided you are properly tuned > to zero-beat (same pitch as your sidetone). > > Also, make certain that you have all filters for CW on the same sideband - > the BFO frequencies should be somewhat close to those shown in the chart on > page 89 of the K2 manual. If you find yours way off, set then initially to > the values in the manual and then finish up the alignment with Spetrogram. > > For further info on the CAL FIL procedure, see my website article on K2 Dial > Calibration at http://w3fpr.qrpradio.com - in addition to the info I have > provided, I also have links to further info and Tom Hammond's Spectrogram > writeups in the article. > > 73, > Don W3FPR > > > -----Original Message----- > > > > Hi Tom and others who could help, > > You were very helpfull several months ago and I'm hoping you > > can help me again. I just installed the 100 watt option and I've > > made two contacts on CW. One on 80 meters and the other on 40 > > meters. But I seem to be transmitting 1.01 khz down from my > > recieve. Is this a filter alignment problem or is there an > > electrical problem like with a toroid or something. > > Thanks, > > Roland in Stockton > > > _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
