INSAT-3D Sounder (Bands 1-18; GOES-11 Imager Bands 23-26) Bandwidths Ch Wavelength Central Wavenumber Central ## FWHM Wavelength FWHM Wavenumber 01 14.4833 14.8401 14.6704 673.9 690.5 681.645 02 14.1473 14.4791 14.3159 690.6 706.9 698.525 03 13.8918 14.2116 14.0431 703.6 719.9 712.094 04 13.4816 13.8284 13.6421 723.1 741.8 733.024 05 13.1640 13.4962 13.3207 741.0 759.6 750.713 06 12.3801 12.8808 12.6168 776.4 807.8 792.597 07 11.6191 12.3678 11.9868 808.5 860.6 834.249 08 10.7614 11.3385 11.0368 882.0 929.2 906.059 09 9.6002 9.8459 9.7151 1015.6 1041.7 1029.322 10 7.2958 7.6049 7.4379 1315.0 1370.7 1344.474 11 6.8067 7.2487 7.0320 1379.5 1469.2 1422.079 12 6.3912 6.6753 6.5336 1498.0 1564.7 1530.539 13 4.5553 4.6061 4.5797 2171.1 2195.2 2183.540 14 4.5028 4.5540 4.5267 2195.8 2220.8 2209.094 15 4.4355 4.4900 4.4621 2227.2 2254.6 2241.080 16 4.0961 4.1711 4.1326 2397.4 2441.3 2419.757 17 3.9483 4.0207 3.9840 2487.2 2532.8 2510.017 18 3.6979 3.8333 3.7627 2608.8 2704.2 2657.635 23 3.7831 4.0337 3.9040 2479.1 2643.3 2561.498 24 6.4700 7.0368 6.7465 1421.1 1545.6 1482.257 25 10.2302 11.2473 10.7255 889.1 977.5 932.357 26 11.5848 12.4969 12.0086 800.2 863.2 832.733