P    #regions in PPM
# 2020-06-17 19:02:05 +0100  amg@AVANCE500
# low field   high field   mi   maxi
  4.1479  4.1344  0.000  10000.000  # for region 1
  4.1344  4.1187  0.000  10000.000  # for region 2
  1.0646  1.0478  0.000  10000.000  # for region 3
  0.1587  -0.1454  0.000  10000.000  # for region 4
