THREDDS Data Server Catalog https://dap.ceda.ac.uk/thredds/catalog/neodc/caliop/data/l2_vfm/catalog.html

Dataset Size Last Modified
     Folder  l2_vfm   --
         Folder  v4-51/   --
         Folder  v4-21/   --
         Folder  v4-20/   --
         Folder  v3-30/   --
         Folder  v3-02/   --
         Folder  v3-01/   --

THREDDS Data Server at CEDA see Info
THREDDS Data Server [Version 4.6.15 - 2020-06-16T13:36:16-0600] Documentation