==== 20180801 16:00:00  -        GOES15       IR  13.84  120.57  40.0  13.66  13.94  120.98  13.37  14.44  121.06  14.15  14.14  121.04  -1.0   -1.0  0.10  3.36  9.49   0.22   0.50  49.8 
 ==== 20180801 16:00:00  -        GOES15   NearIR  13.84  120.57  40.0   9.75  13.62  120.62   8.81  13.92  121.91  10.06  14.14  120.98  -1.0   -1.0  0.10  0.64  1.82   0.34   2.61  50.2 
 ==== 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  13.84  120.57  -1.0   -1.0  0.00  0.37  1.04   0.60   -nan   0.0 20180801 16:00:00 
 ==== 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  13.84  120.57  -1.0   -1.0  0.00  0.36  1.01   0.63   4.59   0.0 20180801 16:00:00