==== 20180908 21:00:00  -        GOES15       IR  15.80  116.80  30.0   9.57  15.95  115.60  11.79  17.27  116.23   9.61  15.95  115.60  -1.0   -1.0  0.10  3.36  9.49   0.02   0.50   2.6 
 ==== 20180908 21:00:00  -        GOES15   NearIR  15.80  116.80  30.0   8.36  15.80  115.53   8.40  16.55  116.72   8.29  15.73  115.89  -1.0   -1.0  0.05  0.65  1.82   0.34   2.60  49.6 
 ==== 20180908 21:00:00  *        GOES15      Vis  15.80  116.80  30.0   8.79  15.75  116.20   6.76  16.27  115.19   8.71  15.80  116.31  -1.0   -1.0  0.15  0.21  0.59   0.62   8.08  60.8