I think the P3 to K3 needs to be 38400 bps as you can not change that part. While the P3 to your computer can be any slower speed - I use 19,200 bps for computer to P3. 73, tom n4zpt 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