P    #regions in PPM
# 2026-09-21 14:28:07 +0200  nmrafd@avance750
# low field   high field   mi   maxi
  10.8927402496338  -1.22362698280717  0.000  10000.000  # for region 1
  -1.22363698280717  -1.36042513766522  100.000  10000.000  # for region 2
