Originally Posted by semtex

Actually . . . you see the little box in the upper left corner? See how in the first chart it's in two shades of blue that correspond to the color of the lines? Now look at the second chart. The box is white. I wonder if the lines are actually there, but in white. And of course, white on white -- can't see it! Ask them if they can email you the .drf files. If they can, I can process them for you in DynoJet software and hopefully change the color so that the lines show up. PM me if you can get a hold of the .drf files.