On 11/28/2013 10:49 PM, epvgk at limpoc.com wrote: > It uses a pair of 323B thyratrons to rectify and > regulate DC for the local loop and the punch magnet. Spiffy things those 323B Thyratrons are. <http://frank.pocnet.net/sheets/127/3/323B.pdf> Jeff-1.0 wa6fwi