alt Catalog http://mtarchive.geol.iastate.edu/thredds/catalog/mtarchive/2012/02/21/gempak/profiler/catalog.html

Dataset Size Last Modified
     Folder  profiler   --
         20120221_pro.gem 3.038 Mbytes 2012-02-22T08:00:10Z
         2012022112_6min.gem 7.627 Mbytes 2012-02-22T08:00:11Z
         2012022100_6min.gem 7.625 Mbytes 2012-02-22T08:00:11Z

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