Original poster: "Mccauley, Daniel H" <daniel.h.mccauley@xxxxxxxx> Here is a rough draft of the tuning study I recently completed for my DRSSTC III system. This goes for further verifying what is presently understood as far as DRSSTCs and tuning and provides additional data. http://www.easternvoltageresearch.com/tuning01.pdf Dan http://www.drsstcbook.com