==== 20180908 18:30:00  -        GOES15       IR  16.29  116.32  30.0  11.46  16.54  115.12  13.63  17.19  114.45  11.73  16.51  114.94  -1.0   -1.0  0.45  0.88  2.48   0.40   1.91  67.4 
 ==== 20180908 18:30:00  -        GOES15   NearIR  16.29  116.32  30.0   9.27  16.54  115.15  10.11  17.01  116.29   9.28  16.49  114.94  -1.0   -1.0  0.45  0.73  2.05   0.31   2.31  51.2 
 ==== 20180908 18:30:00  *        GOES15      Vis  16.29  116.32  30.0  11.02  16.21  115.90   7.15  15.64  115.80  10.98  16.21  115.93  -1.0   -1.0  0.05  0.18  0.51   0.70   9.27  65.0