Ron Castro wrote: > As for offset between Main and Sub, it's most likely that the crystals in > the two DSP's are slightly off frequency It is the codec clock that matters here, and both codecs use a single crystal; so the problem is elsewhere. 73, Sinisa YT1NT, VE3EA -- YU DX Contest April 15/16, 2006 http://yudx.net 2 x 8 hours of worldwide CW connection .