Data and Products

Data generated by SGP's systems, and products derived from these data, are available through NASA's archive of Space Geodesy data and products, the Crustal Dynamics Data Information System (CDDIS). The 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 through https at