2, channel 2 SRF extracted from http://www.star.nesdis.noaa.gov/smcd/spb/fwu/homepage/AVHRR/spec_resp_func/webdata/AVHRR1_SRF_only.xls sheet A205C002; August 2014 Number of data points: 43 Wavenumber (cm-1) Filter response 9090.909091 0.000000 9174.311927 0.004000 9259.259259 0.000000 9345.794393 0.005000 9433.962264 0.007000 9523.809524 0.011000 9615.384615 0.017000 9708.737864 0.029000 9803.921569 0.056000 9900.990099 0.113000 10000.000000 0.236000 10101.010101 0.434000 10204.081633 0.575000 10309.278351 0.600000 10416.666667 0.586000 10526.315790 0.592000 10638.297872 0.624000 10752.688172 0.682000 10869.565217 0.729000 10989.010989 0.749000 11111.111111 0.749000 11235.955056 0.738000 11363.636364 0.729000 11494.252874 0.737000 11627.906977 0.765000 11764.705882 0.782000 11904.761905 0.796000 12048.192771 0.794000 12195.121951 0.788000 12345.679012 0.806000 12500.000000 0.841000 12658.227848 0.903000 12820.512821 0.965000 12987.012987 0.992000 13157.894737 1.000000 13333.333333 0.978000 13513.513514 0.922000 13698.630137 0.792000 13888.888889 0.530000 14084.507042 0.189000 14285.714286 0.033000 14705.882353 0.018000 15151.515151 0.000000