# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRV1, third column HRV2
600 0.016 0.010
610 0.257 0.234
620 0.626 0.554
630 0.882 0.847
640 1.000 1.000
650 0.652 0.763
660 0.377 0.437
670 0.144 0.199
680 0.048 0.081
690 0.021 0.033
700 0.012 0.014
710 0.007 0.007
720 0.004 0.004
730 0.003 0.003
