P    #regions in PPM
# 2012-06-18 10:31:35 -0500  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  1000.0  219.40191000000002  0.000  1000000.000  # for region 1
  219.4019  -19.5445  3.000  1000000.000  # for region 2