==== 20180908 17:00:00  -        GOES15       IR  16.21  116.16  30.0  10.97  16.34  115.45  15.24  16.31  114.33  11.14  16.59  115.22  -1.0   -1.0  0.05  3.36  9.49   0.03   0.50   7.4 
 ==== 20180908 17:00:00  -        GOES15   NearIR  16.21  116.16  30.0   9.84  16.26  115.43  11.61  16.29  114.33   9.92  16.29  115.45  -1.0   -1.0  0.35  0.37  1.04   0.57   4.54  72.9 
 ==== 20180908 17:00:00  *        GOES15      Vis  16.21  116.16  30.0   9.76  16.29  115.53   7.31  17.11  114.78   9.65  16.21  115.64  -1.0   -1.0  0.05  0.19  0.55   0.66   8.69  64.1