Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2017/04/28/catalog.html

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     Folder  28   --
         20170428.zip 53.62 Mbytes 2018-01-18T18:56:35Z

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