==== 20180731 22:30:00  -        GOES15       IR  12.78  117.00  30.0   9.53  11.66  117.82   8.77  10.73  116.41   9.81  11.38  117.28  -1.0   -1.0  0.10  1.41  3.99   0.33   1.19  49.7 
 ==== 20180731 22:30:00  -        GOES15   NearIR  12.78  117.00  30.0   6.37  11.93  117.64   9.97  14.83  117.00   6.48  11.38  117.25  -1.0   -1.0  0.10  0.84  2.38   0.27   1.99  49.1 
 ==== 20180731 22:30:00  *        GOES15      Vis  12.78  117.00  30.0   7.82  12.58  117.05   6.92  12.91  115.46   7.81  12.58  117.05  -1.0   -1.0  0.20  0.30  0.85   0.45   5.61  50.9