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 A201C001;  August 2014
Number of data points:
30
Wavenumber (cm-1)   Filter response
    12500.000000       0.000000
    12658.227848       0.007000
    12820.512821       0.011000
    12987.012987       0.010000
    13157.894737       0.009500
    13333.333333       0.012000
    13513.513514       0.017000
    13698.630137       0.027000
    13888.888889       0.042000
    14084.507042       0.071000
    14285.714286       0.147000
    14492.753623       0.345000
    14705.882353       0.723000
    14925.373134       0.977000
    15151.515151       0.951000
    15384.615385       0.942000
    15625.000000       0.994000
    15873.015873       1.000000
    16129.032258       0.861000
    16393.442623       0.793000
    16666.666667       0.774000
    16949.152542       0.787000
    17241.379310       0.723000
    17543.859649       0.474000
    17857.142857       0.101000
    18181.818182       0.002500
    18867.924528       0.002800
    19230.769231       0.003000
    19607.843137       0.003200
    20000.000000       0.000000