==== 20180930 12:00:00  -        GOES15       IR  11.65  162.81  35.0   2.61  11.40  163.58  10.92  10.42  164.26   2.63  11.77  163.63  -1.0   -1.0  0.05  3.36  9.49   0.06   0.50   9.2 
 ==== 20180930 04:13:41  *        SSMI18 85-92GHz  11.41  160.78  35.0   9.78  11.31  161.80   9.13  11.31  161.54   9.13  11.64  162.81  -1.0   -1.0  0.00  0.26  0.73   1.19   3.78   0.0 20180930 12:00:00