P    #regions in PPM
# 2023-12-13 15:49:13 +0000  amg@AVANCE500
# low field   high field   mi   maxi
  4.6589  4.656  0.000  10000.000  # for region 1
  4.656  4.562  0.000  10000.000  # for region 2
  4.1222  4.1191  0.000  10000.000  # for region 3
  4.1191  4.1043  0.000  10000.000  # for region 4
  0.0652  -0.0415  0.000  10000.000  # for region 5
