P    #regions in PPM
# 2016-05-18 14:11:21 -0500  bmrbmb@watusi.nmrfam.wisc.edu
# low field   high field   mi   maxi
  11.386040080427257  10.757066194964562  0.145  21.000  # for region 1
  10.757066194964562  0.258040568394952  -0.029  21.000  # for region 2
