P    #regions in PPM
# 2023-12-13 11:48:22 +0000  amg@AVANCE500
# low field   high field   mi   maxi
  7.8801  7.3994  0.000  10000.000  # for region 1
  0.1266  0.06480999999999999  0.000  10000.000  # for region 2
  0.0648  -0.0269  0.000  10000.000  # for region 3
