Mike, Which oscillator are you referring to as "local Oscillator"? If you are referring to the BFO, then it should be different from LSB to USB because that is the way the sidebands are switched.
If you are referring to the VCO, then you must be retuning if that changes between LSB and USB - if there is a need to re-tune to maintain zero beat, then yes, a filter alignment is in order, and perhpas a dial calibration also. Full, detailed instructions for setting the reference oscillator and doing a dial calibration and filter alignment can be found on my website http://w3fpr.qrpradio.com 73, Don W3FPR > -----Original Message----- > > I was monitoring the K2's local oscillator frequency and I > noticed that as I tune to WWV in the various modes, that the LO > frequency is different at zero beat. I expected an offset > (w/respect to SSB) in the CW mode but I expected the LO to be the > same at zero beat whether I was in LSB or USB modes. It isn't so > I am wondering if something is not aligned properly. > > Any insight is appreciated. > > Thanks > > Mike, WA1SEO > K2 4778 > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net 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
