On 31 October 2020, anonymous ftp access will officially be discontinued at CDDIS. Beginning October 1, 2020, CDDIS will bandwidth limit ALL IPs using anonymous ftp to just 50KB/s and will limit simultaneous downloads to only 3 per IP address. CDDIS is STRONGLY recommending all users begin to transition to using alternate method of access to the CDDIS archive. Examples of alternate methods can be found at: https://cddis.nasa.gov/Data_and_Derived_Products/CDDIS_Archive_Access.html.

close window
GSAC search tool

Direct access to the CDDIS GSAC implementation will be available soon. In the meantime, more information about GSAC can be found at the UNAVCO website, http://www.unavco.org/software/data-management/gsac/gsac.html. Access to the federated GSAC search tool is available at: http://www.unavco.org/data/web-services/gsacfederated/gsacapi/site/form.