==== 20180908 19:00:00  -        GOES15       IR  16.32  116.37  30.0  11.28  16.82  115.25  14.16  17.62  115.33  11.58  16.19  115.41  -1.0   -1.0  0.05  3.36  9.49   0.11   0.50  40.7 
 ==== 20180908 19:00:00  -        GOES15   NearIR  16.32  116.37  30.0   8.56  16.34  115.46   9.87  16.82  114.31   8.61  16.17  115.43  -1.0   -1.0  0.05  1.83  5.17   0.15   0.92  38.2 
 ==== 20180908 19:00:00  *        GOES15      Vis  16.32  116.37  30.0  10.86  16.14  115.88   7.92  17.17  115.85  10.79  16.22  115.95  -1.0   -1.0  0.10  0.27  0.78   0.48   6.11  58.0