P    #regions in PPM
# 2012-07-25 10:08:18 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  1000.0  43.9985928432908  0.000  1000000.000  # for region 1
  43.9985928432908  43.94105063073418  8.497  27.953  # for region 2
  43.94105063073418  0.1  0.000  1000000.000  # for region 3