P    #regions in PPM
# 2019-07-11 12:59:02 +1000  Julian@Julian-2.local
# low field   high field   mi   maxi
  167.3391806978716  81.16451279357844  0.369  7.441  # for region 1
  75.4863370014351  32.73301339000283  0.806  2.603  # for region 2
