P    #regions in PPM
# 2012-02-23 13:05:51 -0600  mfjofre@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  218.387079298  217.81121000000002  1.000  1000000.000  # for region 1
  217.8112  -18.9865  5.000  1000000.000  # for region 2