Original poster: "Duke, Ronn (CCI-San Diego CCC) by way of Terry Fritz <twftesla-at-uswest-dot-net>" <Ron.Duke-at-cox-dot-com> Hi all, Question: The Java calculator that appears on some web sites that figure the needed capacitance for a given size transformer, Is the value given resonant size, LTR, or ? At 120 BPS ? Thanks, Sparky