Philip Covington wrote: >> >> Another question would be: Why did you switch from 2 ADC's (as mentioned in >> the Mercury calculation text) to one? > > I am not aware that there were any plans to use two ADCs. > Hmmm, maybe he was confusing Mercury with your QuickSilver and two ADCs with two DDCs ? Just a guess... 73 Alberto I2PHD 1177078865.0