You have several options to contact the CDDIS Team. These are listed below.

1. Earthdata Forum: To interact with other users and NASA subject matter experts from across the DAACs on a variety of Earth science research and applications topics, including Space Geodesy, go to the Earthdata Forum.
2. support-cddis@earthdata.nasa.gov: Submit questions to this email address to log a ticket with our user support team. Our staff will interact with you directly to resolve your request.
3. gsfc-dl-cddis-help-ntrip@mail.nasa.gov: This email address is specifically for users that need help with the CDDIS GNSS real-time data caster.