# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRV1, third column HRV2
470 0.000 0.003
480 0.000 0.002
490 0.050 0.075
500 0.276 0.407
510 0.453 0.687
520 0.573 0.717
530 0.612 0.778
540 0.639 0.858
550 0.720 0.872
560 0.788 0.851
570 0.778 0.894
580 0.763 0.941
590 0.806 0.965
600 0.873 0.936
610 0.907 0.928
620 0.936 0.936
630 0.954 0.963
640 0.989 0.989
650 1.000 1.000
660 0.937 0.962
670 0.865 0.888
680 0.793 0.802
690 0.735 0.724
700 0.674 0.661
710 0.600 0.615
720 0.445 0.584
730 0.247 0.523
740 0.110 0.367
750 0.045 0.188
760 0.021 0.080
770 0.010 0.033
780 0.005 0.015
790 0.003 0.006
800 0.001 0.003
810 0.000 0.001
