P    #regions in PPM
# 2017-10-03 16:02:14 -0500  bmrbmb@tonga.nmrfam.wisc.edu
# low field   high field   mi   maxi
  1000.0  128.3919211844115  0.000  1000000.000  # for region 1
  128.3919211844115  7.552465952024206  -11.512  20.911  # for region 2
  7.552465952024206  0.1  0.000  1000000.000  # for region 3
