Original poster: "B2 by way of Terry Fritz <twftesla-at-qwest-dot-net>" <bensonbd-at-boo-dot-net> Hi Dave, I am very interested in your research. Is a schematic available?? > Had to share work I did this week, if of interest will take > more readings and post to population on the net... > Regards > Dave Sharpe, TCBOR > Chesterfield, VA. USA Cheers, Barry