ON 20020506@10:34:24 PM at page: http://www.piclist.com/techref/index.htm young-last1-com added 'Questions: I have a backdraft 17. Does anyone know if the code for the unit was ever expanded to include chips other than the 17cXX ?' ON 20020507@11:43:05 AM at page: http://www.piclist.com/techref/ixtiphlp.htm KEG-NAWC_TSD-86 Ken E Geis added 'Questions: ' ON 20020507@11:43:38 AM at page: http://www.piclist.com/techref/ixtiphlp.htm KEG-NAWC_TSD-86 Ken E Geis added 'Questions: Anyone know how to build a ballistic chronometer?' ON 20020520@8:00:55 PM at page: http://www.piclist.com/techref/glossary.htm JMN-EFP-786 James Newton added 'Says