3, from S2-SRF_COPE-GSEG-EOPG-TN-15-0007_3.0.xlsx (column S2B_SR_AV_B3) Number of data points: 49 Wavenumber (cm-1) Filter response 17152.658700 0.000000 17182.130600 0.005219 17211.704000 0.025724 17241.379300 0.059017 17271.157200 0.127866 17301.038100 0.247692 17331.022500 0.456508 17361.111100 0.677464 17391.304300 0.809750 17421.602800 0.857257 17452.007000 0.870378 17482.517500 0.875196 17513.134900 0.866564 17543.859600 0.848757 17574.692400 0.835211 17605.633800 0.830821 17636.684300 0.832981 17667.844500 0.839209 17699.115000 0.847608 17730.496500 0.868158 17761.989300 0.891852 17793.594300 0.924621 17825.311900 0.951152 17857.142900 0.976583 17889.087700 0.991956 17921.147000 1.000000 17953.321400 0.999446 17985.611500 0.983470 18018.018000 0.964025 18050.541500 0.942932 18083.182600 0.922649 18115.942000 0.907289 18148.820300 0.900859 18181.818200 0.901483 18214.936200 0.912820 18248.175200 0.928333 18281.535600 0.943501 18315.018300 0.949175 18348.623900 0.945520 18382.352900 0.914487 18416.206300 0.810898 18450.184500 0.587551 18484.288400 0.333499 18518.518500 0.169522 18552.875700 0.081181 18587.360600 0.036662 18621.973900 0.015481 18656.716400 0.001849 18691.588800 0.000000