==== 20180801 16:30:00  -        GOES15       IR  13.86  120.66  40.0  13.61  13.76  120.76  12.35  13.31  121.23  14.04  13.89  120.92  -1.0   -1.0  0.05  0.90  2.55   0.40   1.86  64.5 
 ==== 20180801 16:30:00  -        GOES15   NearIR  13.86  120.66  40.0   9.96  13.89  120.81   7.05  14.66  121.00  10.15  14.09  121.15  -1.0   -1.0  0.15  1.25  3.54   0.20   1.34  34.4 
 ==== 20180801 16:30:00  *        GOES15      Vis  13.86  120.66  40.0  11.20  13.71  120.76   6.49  13.66  121.66  11.19  13.74  120.74  -1.0   -1.0  0.20  0.16  0.45   0.78  10.43  65.3 
 ==== 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  13.86  120.65  -1.0   -1.0  0.00  0.37  1.04   0.60   4.59   0.0 20180801 16:30:00 
 ==== 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  13.86  120.66  -1.0   -1.0  0.00  0.36  1.01   0.63   4.50   0.0 20180801 16:30:00