P    #regions in PPM
# 2023-12-13 08:47:59 +0000  amg@AVANCE500
# low field   high field   mi   maxi
  4.6581  4.63  0.000  10000.000  # for region 1
  4.1197  4.1007  0.000  10000.000  # for region 2
  0.1981  -0.1101  0.000  10000.000  # for region 3
