1.00000      H: atmospheric scale height (km) (used as a reference only)
  0.000500016264   Typical log(sigma) for 1st layer (z=H*log(sigma))
  0.00198207167   Typical log(sigma) for 2nd layer, etc...
  0.00790814403
  0.0212424006
  0.0449459739
  0.0819828957
  0.135316208
  0.207908899
  0.302724212
  0.422724098
  0.570872605
  0.750131905
  0.963465035
  1.213835
  1.50420499
  1.837538
  2.17087102
  2.50420403
  2.83753705
  3.17087007
  3.50420308
  3.8375361
  4.17086935
  4.50420237
  4.83753538
  5.1708684
  5.50420141
  5.83753443
  6.17086744
  6.50420046
  6.83753347
  7.17086649
  7.5041995
  7.83753252
  8.17086601
  8.50419903
  8.837533
  9.17086601
  9.50419998
  9.837533
  10.170867
  10.5042
  10.837534
  11.170867
  11.5042009
  11.837534
  12.4375343
  13.0375338
  13.8875341
  14.7375336