Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/rapV4_hrrrV3/rap/catalog.html

Dataset Size Last Modified
     Folder  rap   --
         inventory.txt 34.52 Kbytes 2018-12-13T19:58:09Z
         Folder  2020/   --
         Folder  2019/   --
         Folder  2018/   --
         Folder  2017/   --

GSD TDS at ESRL/GSD/ITS/DSG see Info
Documentation