GDC Archive Access

Download access to the GDC data repository is provided by HTTP ( and anonymous-only FTP ( As the FTP protocol has many security weaknesses we encourage you to use the HTTPS protocol for downloading files.
There are many tools available that support these protocols, e.g.

The mentioned 3 tools support reading of credentials from ~/.netrc, see netrc.html.

Directory listings
You can further search and download files using our Filebrowser, Fileserver or the RINEX Search.

Our REST API is still under development and not suitable for external usage yet.