P    #regions in PPM
# 2020-07-02 17:37:52 +0100  amg@AVANCE500
# low field   high field   mi   maxi
  4.6539  4.6392  0.000  10000.000  # for region 1
  0.2792  -0.1197  0.000  10000.000  # for region 2
