>> Actually there is no real connection between hearing the same pitch when switching between LSB and USB and proper filter alignment like there is with CW and CWr.
This explanation has me confused. The description on page 102 (Rev c) gives me the impression that the K2 shifts the BFO relative to the passband for BOTH USB and CWR (17 M & below). This also agrees with my observations. I have found that I have had to change the passband by one or to digits to get a good compromise between desired passband and alignment of received frequencies, that is W1AW and WWV does not move as you select different XFIL. I do not have this problem on CW and LSB (again, 17 M & below) as the BFO numbers (See table 8-1) are all the same. This BFO number [for CW and LSB (again, 17 M & below)] also agrees with the number you get using the N6KR method. For weak signal digital modes where I want to use the XTAL filters I will use LSB for 17 and below and USB on 15 and above to minimize this shift and the resultant "signal creep" from the other end tracking my shift. There is an Excel Spread Sheet that helps you get in the ballpark for these BFO settings on the Elecraft Web Page. Rich KE0X _______________________________________________ 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
