==== 20180908 20:00:00  -        GOES15       IR  15.71  116.69  30.0  10.09  15.86  115.42  12.33  17.16  115.97  10.10  15.81  115.40  -1.0   -1.0  0.45  3.36  9.49   0.25   0.50  50.4 
 ==== 20180908 20:00:00  -        GOES15   NearIR  15.71  116.69  30.0   8.03  15.86  115.60   6.68  17.16  115.97   7.99  16.03  115.81  -1.0   -1.0  0.05  0.80  2.26   0.28   2.10  45.6 
 ==== 20180908 20:00:00  *        GOES15      Vis  15.71  116.69  30.0   9.15  15.56  116.15   8.21  15.41  115.21   9.06  15.56  116.18  -1.0   -1.0  0.15  0.24  0.68   0.54   6.94  62.1