Well, you could try comparing the reality involved with multiple cards and see where the patterns fit. I know that that is how I find the meanings of strange databases for which I don't have access to the data dictionary. And it really is the same thing.
PHM Yeoh Yiu wrote: > > Meyer Wolfsheim <[EMAIL PROTECTED]> writes: > > > A friend of mine recently informed me that he has access to a mag-strip > > reader, and scanned several drivers' licenses (as well as Safeway cards > > and other random credit-card like items.) > > > > Most contained the information displayed on the front of the card, and/or > > some seemingly random numbers (most likely, the ID numbers.) > > > > California DL's have nothing interesting stored in that magstrip that > > isn't on the front of the card. And no, the signature isn't reflected in > > the magstrip. > > They might store a long number and without a dictionary you > don't know what it means. It's unlikely that older cards > would use and XMLish annoted data. > > eg does > > 197202281800602 > mean it belongs to a 180# 6'2" person born on Feb 28, 1972 ? > > How could you tell ? > > YY -- Paul H. Merrill, MCNE, MCSE+I, CISSP [EMAIL PROTECTED]