NASA will be performing network maintenance on Thursday, May 13 from 3:00pm - 8:00pm (1900 UTC - 0000 UTC). You may experience network difficulties accessing ALL CDDIS services. You may experience outages as long as 15 minutes and multiple short (several minute) intermittent outages as well during the maintenance window.

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Other products available at CDDIS

The CDDIS provides access to general space geodesy-related products, such as Earth orientation parameters generated by the IERS Rapid Service/Prediction Center located at the U.S. Naval Observatory's Earth Orientation (EO) Department.