4,   from S2-SRF_COPE-GSEG-EOPG-TN-15-0007_3.0.xlsx (column S2B_SR_AV_B4)
Number of data points:
42
Wavenumber (cm-1)   Filter response
    14577.259500       0.000000
    14598.540100       0.000838
    14619.883000       0.007337
    14641.288400       0.029914
    14662.756600       0.107781
    14684.287800       0.276901
    14705.882400       0.493503
    14727.540500       0.698447
    14749.262500       0.838534
    14771.048700       0.897153
    14792.899400       0.925810
    14814.814800       0.945645
    14836.795300       0.957608
    14858.841000       0.968693
    14880.952400       0.981793
    14903.129700       0.994047
    14925.373100       0.999754
    14947.683100       1.000000
    14970.059900       0.991619
    14992.503700       0.981390
    15015.015000       0.966908
    15037.594000       0.954197
    15060.241000       0.941056
    15082.956300       0.927756
    15105.740200       0.915611
    15128.593000       0.906886
    15151.515200       0.902488
    15174.506800       0.900672
    15197.568400       0.899066
    15220.700200       0.897082
    15243.902400       0.902006
    15267.175600       0.911237
    15290.519900       0.920832
    15313.935700       0.926053
    15337.423300       0.915738
    15360.983100       0.810968
    15384.615400       0.603625
    15408.320500       0.337423
    15432.098800       0.120880
    15455.950500       0.026897
    15479.876200       0.005090
    15503.876000       0.000000