VECC.IBM_DAT		(the first file will be called...)
76			(...and it has a record size of 76 bytes)
TBLADR.IBM_DAT		(the next file will be called...)
720			(...and it has a record size of 720 bytes)
QMIN.IBM_DAT
720
CURVES.IBM_DAT
720
TABLES.IBM_DAT
80
MISC.IBM_DAT
720
LLELEV.IBM_DAT
100
FLOW50.IBM_DAT
720
VECURV.IBM_DAT
100
SEQFLO50.IBM_DAT
64
VSMIN.IBM_DAT
100