==== 20210731 06:20:31  *        GOES17       IR  13.37  115.25  40.0   8.26  15.29  115.43  14.77  14.52  113.60   8.39  15.29  115.32  -1.0   -1.0  0.50  0.00  0.00   0.00   0.00   0.0 
 ==== 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  13.27  115.14  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 06:20:31