==== 20210731 12:50:32  *        GOES17       IR  13.42  116.39  45.0   5.95  14.22  116.67  11.73  15.10  117.62   6.60  13.72  116.33  -1.0   -1.0  0.05  0.39  1.11   0.64   4.27  77.6 
 ==== 20210731 23:58:56  -        SSMI15 85-92GHz  13.50  118.63  40.0   6.58  13.40  118.11   6.50  13.35  118.53   6.50  13.30  116.28  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 12:50:32