Initial TDS Installation Catalog http://esrl.noaa.gov/gsd/thredds/catalog/retro/hrrr/conus/wrftwo/2014/04/27/catalog.html

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     Folder  27   --
         20140427.zip 84.66 Mbytes 2017-01-19T19:36:17Z

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