P    #regions in PPM
# 2018-04-12 13:48:25 +0200  ceisam@P15q
# low field   high field   mi   maxi
  7.7983920841063705  7.526283240568955  1.062  3.642  # for region 1
  7.501546072974645  7.087198515769945  1.012  2.630  # for region 2
  5.4730983302411875  5.163883735312307  0.430  1.265  # for region 3
  2.6901669758812616  2.4489795918367347  4.932  6.424  # for region 4
  2.300556586270872  2.090290661719233  13.709  15.682  # for region 5