P    #regions in PPM
# 2023-12-12 16:00:22 +0000  amg@AVANCE500
# low field   high field   mi   maxi
  4.6577  4.622  0.000  10000.000  # for region 1
  4.1173  4.1075  0.000  10000.000  # for region 2
  0.0863  -0.0362  0.000  10000.000  # for region 3
