Original poster: "Antonio Carlos M. de Queiroz by way of Terry Fritz <teslalist-at-qwest-dot-net>" <acmq-at-compuland-dot-com.br> Tesla list wrote: > > Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net> > I modeled the pinger with this model for all three situations: > > http://hot-streamer-dot-com/temp/NewMag/0504-01.gif Where is the primary circuit? Antonio Carlos M. de Queiroz