P    #regions in PPM
# 2023-04-21 15:23:22 +0100  sgjburro@HCC8-023
# low field   high field   mi   maxi
  194.3997202726191  186.13965310688528  0.226  0.784  # for region 1
  146.86436838399052  144.6119959796846  0.403  0.940  # for region 2
  135.15594173514538  125.51198921919288  0.092  1.597  # for region 3
  56.66790264863898  4.610270045990967  0.148  1.258  # for region 4
