# extracted from http://www.astrium-geo.com/files/pmedia/public/r453_9_spectralsensivity.xls
# second column HRV1, third column HRV2
590 0.000 0.004
600 0.019 0.006
610 0.281 0.028
620 0.705 0.273
630 0.950 0.618
640 0.973 0.867
650 1.000 1.000
660 0.378 0.746
670 0.127 0.494
680 0.046 0.280
690 0.020 0.141
700 0.009 0.066
710 0.005 0.032
720 0.003 0.017
730 0.000 0.010
