CDDIS FAQ: VLBI

[CDDISx – RB]

How can I access VLBI data?

VLBI data are available through encrypted ftp and other methods. VLBI databases since 1979 are available online. Access the VLBI data using one of the following methods:

• via https at URL https://cddis.nasa.gov/archive/vlbi/ivsdata/

• via ftp-ssl using the command line and ftps://gdc.cddis.eosdis.nasa.gov

Detalied information and examples for using these methods can be found on our Archive Access page.

Where can I find out more about VLBI?

The International VLBI Service for Geodesy and Astrometry (IVS) has extensive information about VLBI, particularly the links found on their "What Is VLBI" page.

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