CCI THREDDS Data Server Catalog https://data.cci.ceda.ac.uk/thredds/catalog/esacci/sea_state/data/v3_release/altimeter/l2p/catalog.html

Dataset Size Last Modified
     Folder  l2p   --
         Folder  sentinel-3a/   --
         Folder  saral/   --
         Folder  jason-3/   --
         Folder  jason-2/   --
         Folder  jason-1/   --
         Folder  envisat/   --
         Folder  cryosat-2/   --

CCI THREDDS Data Server at CEDA see Info
Documentation