==== 20180731 21:30:00  -        GOES15       IR  12.73  116.80  30.0   9.28  12.43  117.88  11.68  14.70  116.98   9.42  11.95  115.70  -1.0   -1.0  0.30  3.36  9.49   0.03   0.50   4.6 
 ==== 20180731 21:30:00  -        GOES15   NearIR  12.73  116.80  30.0   6.01  12.88  115.36   9.28  14.70  116.98   6.06  12.23  115.67  -1.0   -1.0  0.10  2.15  6.07   0.13   0.78  26.5 
 ==== 20180731 21:30:00  *        GOES15      Vis  12.73  116.80  30.0   8.24  12.55  116.93   8.20  12.38  115.29   8.23  12.58  116.90  -1.0   -1.0  0.45  1.15  3.25   0.16   1.46  30.1