4 ,Original SRF for METOP-B AVHRR A307 channel 4 file METOPB_A307C004.txt Number of data points: 125 Wavenumber (cm-1) Filter response 833.333300 0.000000 834.724500 0.000000 836.120400 0.000456 837.520900 0.000000 838.926200 0.000404 840.336100 0.000114 841.750800 0.000106 843.170300 0.000169 844.594600 0.000410 846.023700 0.000281 847.457600 0.000598 848.896400 0.000000 850.340100 0.000303 851.788800 0.000612 853.242300 0.000921 854.700900 0.001327 856.164400 0.001316 857.632900 0.002031 859.106500 0.002132 860.585200 0.002835 862.069000 0.003262 863.557900 0.005081 865.051900 0.004815 866.551100 0.006302 868.055600 0.007162 869.565200 0.008741 871.080100 0.010770 872.600300 0.014404 874.125900 0.019666 875.656700 0.024024 877.193000 0.029835 878.734600 0.040263 880.281700 0.051354 881.834200 0.069457 883.392200 0.098432 884.955800 0.140170 886.524800 0.196090 888.099500 0.275730 889.679700 0.360890 891.265600 0.461370 892.857100 0.553660 894.454400 0.630930 896.057300 0.690410 897.666100 0.749960 899.280600 0.788000 900.900900 0.845370 902.527100 0.877920 904.159100 0.902580 905.797100 0.931860 907.441000 0.944670 909.090900 0.967890 910.746800 0.968740 912.408800 0.970780 914.076800 0.982030 915.750900 0.980350 917.431200 0.987720 919.117600 0.992520 920.810300 1.000000 922.509200 0.992700 924.214400 0.984750 925.925900 0.996610 927.643800 0.989630 929.368000 0.995170 931.098700 0.974410 932.835800 0.986380 934.579400 0.955740 936.329600 0.966350 938.086300 0.955100 939.849600 0.947010 941.619600 0.929530 943.396200 0.926520 945.179600 0.920580 946.969700 0.924820 948.766600 0.922230 950.570300 0.930300 952.381000 0.952250 954.198500 0.957630 956.022900 0.947590 957.854400 0.950830 959.692900 0.937200 961.538500 0.913040 963.391100 0.891970 965.251000 0.832800 967.118000 0.749470 968.992200 0.650000 970.873800 0.554600 972.762600 0.455170 974.658900 0.369240 976.562500 0.291410 978.473600 0.230430 980.392200 0.181640 982.318300 0.135210 984.252000 0.102000 986.193300 0.075049 988.142300 0.055092 990.099000 0.039437 992.063500 0.028924 994.035800 0.020823 996.015900 0.016522 998.004000 0.012680 1000.000000 0.009585 1002.004000 0.007335 1004.016100 0.005120 1006.036200 0.004282 1008.064500 0.003410 1010.101000 0.002988 1012.145700 0.002335 1014.198800 0.001993 1016.260200 0.001315 1018.329900 0.001081 1020.408200 0.000805 1022.494900 0.000551 1024.590200 0.000363 1026.694000 0.000200 1028.806600 0.000172 1030.927800 0.000063 1033.057900 0.000000 1035.196700 0.000000 1037.344400 0.000000 1039.501000 0.000050 1041.666700 0.000033 1043.841300 0.000165 1046.025100 0.000000 1048.218000 0.000000 1050.420200 0.000070