==== 20210731 11:20:32  *        GOES17       IR  13.38  116.12  45.0   8.04  13.98  116.04  16.04  14.80  115.42   8.13  14.00  115.91  -1.0   -1.0  0.20  3.36  9.49   0.01   0.50   1.4 
 ==== 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  13.25  116.01  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 11:20:32