# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRG1, third column HRG2
750 0.000930  0.000000
755 0.003611  0.005386
760 0.010956  0.016095
765 0.029807  0.042878
770 0.071043  0.096646
775 0.142929  0.183532
780 0.243548  0.297383
785 0.369739  0.433727
790 0.502066  0.565036
795 0.629964  0.690954
800 0.733943  0.792164
805 0.820625  0.873288
810 0.884115  0.928597
815 0.938487  0.964976
820 0.967840  0.989695
825 0.985085  0.997931
830 0.999225  1.000000
835 1.000000  0.991187
840 0.994108  0.978714
845 0.972502  0.960705
850 0.944001  0.940380
855 0.917503  0.921524
860 0.887075  0.890830
865 0.855974  0.869498
870 0.803353  0.814715
875 0.733490  0.734433
880 0.630454  0.612689
885 0.494445  0.457563
890 0.370263  0.327169
895 0.248573  0.216821
900 0.157151  0.134316
905 0.103305  0.087391
910 0.066479  0.058234
915 0.040629  0.035762
920 0.027152  0.023678
925 0.018661  0.016712
930 0.012442  0.011408
935 0.008351  0.007844
940 0.005754  0.005342
945 0.004167  0.000000
950 0.002977  0.000000
