==== 20180908 22:00:00  -        GOES15       IR  15.89  116.91  30.0  10.00  15.49  115.87   9.99  16.94  116.29  10.07  15.41  115.92  -1.0   -1.0  0.50  3.36  9.49   0.19   0.50  46.2 
 ==== 20180908 22:00:00  -        GOES15   NearIR  15.89  116.91  30.0   8.51  15.41  115.87   5.03  14.49  115.53   8.48  15.36  115.87  -1.0   -1.0  0.50  0.56  1.57   0.39   3.02  46.5 
 ==== 20180908 22:00:00  *        GOES15      Vis  15.89  116.91  30.0   8.93  15.61  116.34   7.52  15.86  116.47   8.85  15.74  116.49  -1.0   -1.0  0.45  0.26  0.72   0.51   6.55  58.4