Ralph, Set all to 38,400. Then use P3 Utility to download the latest P3 firmware. There was a recent update to fix the "multiple baud rates" problem. 73, Don W3FPR On 5/3/2012 4:43 PM, Ralph Parker wrote: > I forgot to say that the RS-232 rate for K3, P3 and logging program are all > set to 4800 baud. > > Ralph, VE7XF > >