You can find Josh's FPGA User's Manual at: http://www.npl.uiuc.edu/~rmcnabb/mulan/ Click UserManual.ps <http://www.npl.uiuc.edu/%7Ermcnabb/mulan/UserManual.ps> . I will be going out of town for a week but if you have any questions you can call my cell phone at 217-390-3062. I will also try to check my email at least once a day. Ron