==== 20180801 20:00:00  -        GOES15       IR  13.77  121.03  45.0  11.84  13.69  121.37  10.83  14.29  122.70  11.99  13.69  121.37  -1.0   -1.0  0.05  1.78  5.04   0.30   0.94  53.0 
 ==== 20180801 20:00:00  -        GOES15   NearIR  13.77  121.03  45.0   8.45  13.57  121.03   7.43  14.77  120.08   8.51  14.04  120.62  -1.0   -1.0  0.05  3.36  9.49   0.08   0.50   8.1 
 ==== 20180801 20:00:00  *        GOES15      Vis  13.77  121.03  45.0  10.16  13.77  120.88   6.25  14.04  120.59  10.16  13.77  120.90  -1.0   -1.0  0.10  0.12  0.34   1.04  14.15  72.4 
 ==== 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  13.76  121.03  -1.0   -1.0  0.00  0.37  1.04   0.60   3.94   0.0 20180801 20:00:00 
 ==== 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  13.75  121.03  -1.0   -1.0  0.00  0.36  1.01   0.63   3.70   0.0 20180801 20:00:00