There are three files in the zipped file: 1. delay_set_1300_50um.dat - this is the OM3 delay data set at 1300nm. It is an ascii data file with size 5000 by 12. The mode group delays are given in ps/m or ns/km. 2. passing_fibers_index.dat - each row is 1 (fiber passes the OM3 specs) or 0 (fiber fails the OM3 specs) 3. This file