1, channel 1 SRF extracted from http://www.star.nesdis.noaa.gov/smcd/spb/fwu/homepage/AVHRR/spec_resp_func/webdata/AVHRR1_SRF_only.xls sheet A204C001;  August 2014
Number of data points:
48
Wavenumber (cm-1)   Filter response
     9090.909091       0.001000
     9259.259259       0.001000
     9433.962264       0.001000
     9615.384615       0.002000
     9803.921569       0.002000
    10000.000000       0.003000
    10204.081633       0.005000
    10416.666667       0.007000
    10526.315790       0.008000
    10638.297872       0.009000
    10752.688172       0.012000
    10869.565217       0.014000
    10989.010989       0.016000
    11111.111111       0.018000
    11235.955056       0.017000
    11363.636364       0.016000
    11494.252874       0.013000
    11627.906977       0.011000
    11764.705882       0.009000
    11904.761905       0.008000
    12048.192771       0.007000
    12195.121951       0.007000
    12345.679012       0.007000
    12500.000000       0.006000
    12658.227848       0.007000
    12820.512821       0.009000
    12987.012987       0.013000
    13157.894737       0.015000
    13333.333333       0.017000
    13513.513514       0.047000
    13698.630137       0.059000
    13888.888889       0.127000
    14084.507042       0.332000
    14285.714286       0.640000
    14492.753623       0.970000
    14705.882353       1.000000
    14925.373134       0.900000
    15151.515151       0.961000
    15384.615385       0.967000
    15625.000000       0.970000
    15873.015873       0.941000
    16129.032258       0.919000
    16393.442623       0.884000
    16666.666667       0.858000
    16949.152542       0.816000
    17241.379310       0.698000
    17543.859649       0.420000
    17857.142857       0.074000