==== 20210731 04:50:31  *        GOES17       IR  13.31  114.96  40.0   8.86  15.01  114.86  11.53  15.28  115.63   8.99  14.93  115.04  -1.0   -1.0  0.15  3.36  9.49   0.15   0.50  43.7 
 ==== 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  13.20  114.86  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 04:50:31