P    #regions in PPM
# 2015-09-20 18:33:38 +0000  nmruser@dpx400new
# low field   high field   mi   maxi
  10.282590316810811  10.123863931131055  -0.300  10.738  # for region 1
  10.123853931131055  8.236654679160633  0.075  4.520  # for region 2
  8.113193045854157  6.843301960416114  0.400  7.067  # for region 3
  6.402367555750128  5.255938103618562  0.250  9.389  # for region 4
  3.2805519707149413  2.0459356376501785  0.559  18.703  # for region 5
