==== 20210731 11:50:32  *        GOES17       IR  13.39  116.21  45.0   7.41  14.12  116.18  16.74  15.54  116.05   7.69  13.67  116.56  -1.0   -1.0  0.05  3.36  9.49   0.17   0.50  49.4 
 ==== 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  13.26  116.10  -1.0   -1.0  0.00  0.31  0.86   0.87   -nan   0.0 20210731 11:50:32