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 A202C002; August 2014 Number of data points: 48 Wavenumber (cm-1) Filter response 8620.689655 0.001400 8695.652174 0.001700 8771.929825 0.002000 8849.557522 0.002400 8928.571429 0.002500 9009.009009 0.002900 9090.909091 0.003300 9174.311927 0.003900 9259.259259 0.004600 9345.794393 0.005700 9433.962264 0.007400 9523.809524 0.010700 9615.384615 0.015000 9708.737864 0.024000 9803.921569 0.041400 9900.990099 0.075900 10000.000000 0.152900 10101.010101 0.312000 10204.081633 0.552300 10309.278351 0.725100 10416.666667 0.742500 10526.315790 0.708400 10638.297872 0.719300 10752.688172 0.750000 10869.565217 0.811200 10989.010989 0.863200 11111.111111 0.881100 11235.955056 0.872900 11363.636364 0.861600 11494.252874 0.850400 11627.906977 0.863800 11764.705882 0.886300 11904.761905 0.913200 12048.192771 0.910800 12195.121951 0.902600 12345.679012 0.889900 12500.000000 0.887500 12658.227848 0.900300 12820.512821 0.932300 12987.012987 0.982500 13157.894737 1.000000 13333.333333 0.985900 13513.513514 0.936900 13698.630137 0.858600 13888.888889 0.687600 14084.507042 0.355900 14285.714286 0.069600 14492.753623 0.004400