# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRV1, third column HRV2
470 0.000 0.001
480 0.005 0.002
490 0.114 0.049
500 0.347 0.212
510 0.458 0.351
520 0.526 0.437
530 0.637 0.551
540 0.719 0.644
550 0.734 0.670
560 0.746 0.691
570 0.800 0.740
580 0.865 0.792
590 0.912 0.835
600 0.919 0.866
610 0.941 0.879
620 0.932 0.895
630 0.953 0.925
640 0.971 0.971
650 1.000 1.000
660 0.959 0.972
670 0.903 0.903
680 0.803 0.812
690 0.699 0.742
700 0.631 0.599
710 0.601 0.438
720 0.411 0.243
730 0.215 0.105
740 0.085 0.043
750 0.033 0.018
760 0.014 0.008
770 0.006 0.004
780 0.004 0.002
790 0.002 0.001
