alt Catalog http://mtarchive.geol.iastate.edu/thredds/catalog/mtarchive/2013/09/03/gempak/profiler/catalog.html

Dataset Size Last Modified
     Folder  profiler   --
         20130903_pro.gem 2.271 Mbytes 2013-09-04T08:00:11Z
         2013090312_6min.gem 3.419 Mbytes 2013-09-04T08:00:12Z
         2013090300_6min.gem 3.239 Mbytes 2013-09-04T08:00:12Z

ISU MTArchive at ISU MTArchive see Info
THREDDS Data Server [Version 4.6.14 - 2019-07-23T11:04:31-0600] Documentation