NDBC THREDDS Server Catalog https://dods.ndbc.noaa.gov/thredds/catalog/data/adcp/42001/catalog.html

Dataset Size Last Modified
     Folder  42001   --
         42001a2011.nc 54.51 Kbytes 2011-07-03T13:00:00Z

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