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 A101C002;  August 2014
Number of data points:
53
Wavenumber (cm-1)   Filter response
     8474.576271       0.001500
     8547.008547       0.001400
     8620.689655       0.001500
     8695.652174       0.001700
     8771.929825       0.002100
     8849.557522       0.002400
     8928.571429       0.002600
     9009.009009       0.002900
     9090.909091       0.003200
     9174.311927       0.003600
     9259.259259       0.004100
     9345.794393       0.005400
     9433.962264       0.007900
     9523.809524       0.012600
     9615.384615       0.021000
     9708.737864       0.038000
     9803.921569       0.069000
     9900.990099       0.131000
    10000.000000       0.225000
    10101.010101       0.383000
    10204.081633       0.522000
    10309.278351       0.573000
    10416.666667       0.608000
    10526.315790       0.658000
    10638.297872       0.668000
    10752.688172       0.672000
    10869.565217       0.690000
    10989.010989       0.760000
    11111.111111       0.775000
    11235.955056       0.807000
    11363.636364       0.823000
    11494.252874       0.790000
    11627.906977       0.823000
    11764.705882       0.847000
    11904.761905       0.852000
    12048.192771       0.838000
    12195.121951       0.875000
    12345.679012       0.880000
    12500.000000       0.898000
    12658.227848       0.944500
    12820.512821       0.973300
    12987.012987       1.000000
    13157.894737       0.978000
    13333.333333       0.942000
    13513.513514       0.875000
    13698.630137       0.699000
    13888.888889       0.368000
    14084.507042       0.085500
    14285.714286       0.003400
    14705.882353       0.003100
    15151.515151       0.005700
    15625.000000       0.005300
    16129.032258       0.004800