After February 16, 2023, the long name GNSS products archived at the CDDIS will follow the Guidelines for Long Product Filenames in the IGS version 2.0. These guidelines are available at https://files.igs.org/pub/resource/guidelines/Guidelines_For_Long_Product_Filenames_in_the_IGS_v2.0.pdf. For more information, please see IGSMail message 8309 sent February 3, 2023. https://lists.igs.org/pipermail/igsmail/2023/008305.html.

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Data and derived products overview

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 at https://cddis.nasa.gov/archive and via other methods.

GNSS antenna
NGSLR site at GGAO
VLBI2010 antenna
DORIS antenna