P    #regions in PPM
# 2019-02-19 18:01:31 +0000  2219445P@LN-D8CB8AB0767B
# low field   high field   mi   maxi
  4.6448993808838255  4.600374989786918  0.509  7.245  # for region 1
  4.600374989786918  4.577394658898191  0.139  0.903  # for region 2
  4.575958388217646  4.482600793982195  0.509  7.245  # for region 3
  4.482600793982195  4.471110628537832  0.278  0.833  # for region 4
  4.471110628537832  4.3720079515801995  0.509  7.245  # for region 5
  3.628019739057682  3.468593693517142  1.088  7.083  # for region 6
  2.0603911501695187  1.8587776963343152  0.671  5.231  # for region 7
  0.9834802626107488  0.6851579162854883  1.805  13.680  # for region 8
