I think it's interesting how they've worn. > The monthly tapes are very, very, worn and rippled. That's becuase they ran for 14 hours a day, 7 days a week on a

I think it's interesting how they've worn. > The monthly tapes are very, very, worn and rippled. That's becuase they ran for 14 hours a day, 7 days a week on auto-reverse. If you do the math assuming that each tape is 30 minutes per side, that's over 800 passes over a tape head each month.