DORIS data are available in satellite subdirectories through encrypted ftp and other methods. DORIS data since 1992 are available online.
Access the DORIS data using one of the following methods:
- via https at URL https://cddis.nasa.gov/archive/doris/data/
- via ftp-ssl using the command line and ftps://gdc.cddis.eosdis.nasa.gov
How are DORIS data stored?
DORIS data are stored in files by satellite and cycle number where a cycle typically spans ten days. DORIS data are available in subdirectories by satellite; files follow the naming convention satdatacyc.dat.Z, where sat is the three-character satellite code, and cyc is the three-digit cycle number. All data are stored in the standard format for DORIS.
How can I find out what data are archived?
Files are available within each satellite subdirectory and the general DORIS https directory that list DORIS filename and timespan of data within each file.
What DORIS products are available?
Products derived DORIS data include satellite orbits (SP1 format), time series of station coordinates (SINEX format), time series of coordinates of the TRF origin (geocenter), Earth orientation parameters (EOP), and ionosphere parameters. DORIS products archived at the CDDIS are available in subdirectories by product type at https://cddis.nasa.gov/archive/doris/products. Additional information about DORIS analysis can be found on the IDS Analysis Coordinators website.
How can I find out more about DORIS stations?
The DORIS network web page provides a list of current sites and links site photos to their site logs.
Where can I find out more about DORIS?
DORIS information can be accessed through the International DORIS Service (IDS) page.
Return to the CDDIS FAQ TOC