==== 20210731 08:20:31  *        GOES17       IR  13.42  115.62  40.0   8.91  13.67  115.14  14.19  13.57  117.50   9.32  13.87  114.96  -1.0   -1.0  0.05  3.36  9.49   0.25   0.50  55.0 
 ==== 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  13.33  115.52  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 08:20:31