==== 20180801 20:30:00  -        GOES15       IR  13.78  121.12  45.0  11.65  13.53  121.37  12.40  14.33  121.37  11.83  14.33  121.37  -1.0   -1.0  0.05  3.36  9.49   0.02   0.50   3.6 
 ==== 20180801 20:30:00  -        GOES15   NearIR  13.78  121.12  45.0   8.12  13.63  121.04   8.61  14.98  120.39   8.17  13.63  121.04  -1.0   -1.0  0.15  3.36  9.49   0.07   0.50   8.1 
 ==== 20180801 20:30:00  *        GOES15      Vis  13.78  121.12  45.0   9.84  13.88  121.01   5.34  14.51  121.66   9.84  13.86  121.01  -1.0   -1.0  0.10  0.12  0.33   1.06  14.48  68.3 
 ==== 20180801 16:18:30  -        SSMI17 85-92GHz  13.85  120.63  40.0   4.81  14.50  120.63   4.55  14.30  120.63   4.55  13.78  121.11  -1.0   -1.0  0.00  0.37  1.04   0.60   3.82   0.0 20180801 20:30:00 
 ==== 20180801 14:59:44  -        SSMI18 85-92GHz  13.80  120.40  40.0   4.67  14.10  120.09   4.53  14.05  120.09   4.53  13.78  121.12  -1.0   -1.0  0.00  0.36  1.01   0.63   3.58   0.0 20180801 20:30:00