#5   rough cutoff rigidity values on the earth at a height of 100 km  minimum for all directions
cos(latitude) step #   longi step # 
'cos' 1.0 -0.2 11 'deg' 0 20 19

For the simulaiton with KEmin < 0.1 GeV, the table should not be used. The 0.44 GV below is maily
determined by the input minimum primary energy of 0.1 GeV.
#------------------------------------------------------
  0.45   0.47   0.46   0.46   0.47   0.48   0.45   0.45   0.48   0.45   0.44   0.48   0.44   0.44   0.44   0.44   0.44   0.45   0.45
  2.14   2.09   1.95   2.09   2.39   2.58   2.78   2.82   2.40   1.79   1.19   0.68   0.62   0.48   0.66   0.88   1.47   1.88   2.14
  6.33   6.67   7.39   6.52   9.64   6.50   8.30   6.10   7.28   5.81   4.13   3.21   2.42   2.07   2.61   3.65   4.56   4.55   6.33
  8.50   9.88   9.31  10.05  12.47  10.70  10.60   9.81   7.92   8.37   7.49   5.59   4.45   4.45   5.17   7.11   6.78   8.33   8.50
 12.57   7.67   9.39  11.56   9.89  10.97  12.10  10.17   9.30   8.35   8.76   7.70   7.17   6.38  10.31   9.10   9.68   8.70  12.57
  8.01   8.00   9.54   8.77  10.16  10.06   9.83  11.25  10.05   6.94   6.80   9.20   9.53   8.95   8.77   8.79  10.57   9.33   8.01
  4.98   5.29   5.24   5.57   5.06   4.78   4.97   5.91   6.39   5.23   5.72   7.75   7.71   7.84   9.72   8.61   9.21   7.91   4.98
  3.07   3.03   2.52   2.17   2.07   2.23   2.29   2.67   3.13   3.64   4.32   5.52   5.67   6.97   5.69   6.43   4.48   3.66   3.07
  1.34   1.17   0.95   0.64   0.50   0.44   0.46   0.49   0.73   1.95   2.30   2.72   3.74   4.01   2.41   2.73   1.81   1.14   1.34
  0.47   0.46   0.44   0.44   0.45   0.44   0.44   0.44   0.44   0.45   0.44   0.45   0.45   0.51   0.48   0.46   0.45   0.44   0.47
  0.47   0.46   0.44   0.44   0.45   0.44   0.44   0.44   0.44   0.45   0.44   0.45   0.45   0.51   0.48   0.46   0.45   0.44   0.47
