Introduction： The Crustal Dynamics Data Information System (CDDIS) archives and distributes mainly Global Navigation Satellite System (GNSS), laser ranging (both to artificial satellites, SLR, and the moon, LLR, Very Long Baseline Interferometry (VLBI), and Doppler Orbitography and Radio-positioning Integrated by Satellite (DORIS) data for an ever increasing user community of geophysicists. CDDIS data and derived products are accessible at https://cddis.nasa.gov/archive and via other methods.

https://cddis.nasa.gov/Data_and_Derived_Products/index.html