Information
Overview
Data and Plots

• Time series
• Maps
• Interactive Wizard
• Publication requests/permissions

• Release Notes
• Documentation
• Calibration
• Tide gauges
• Steric changes
• Presentations
• Bibliography
• Acknowledgments
Support

• Contact Us
Related Links

• Altimetry
• Tide gauges
• Global change
• CCAR
Release Notes   
Changes to each release since 2006 Release 3

2007 Release 1 (10/23/2007)
Uses the new TMR replacement product version 1.0 for T/P.
Uses GDR-B for all Jason-1 cycles.
Jason-1 cycles 1 through 206 are used.
Uses Don Chambers SSB model for T/P and the default SSB model for Jason-1 GDR-B.
Correctly applies the off-nadir pointing editing criteria of Jason-1 GDR handbook.

2007 Release 2 (12/03/2007)
T/P cycles 8 through 16 are computed by correctly applying the new TMR correction.
Jason-1 cycles 1 through 211 are used.
The one-cycle-off time tag shift error is fixed.

2008 Release 1 (01/16/2008)
Corrects an error in the non-IB GMSL that mainly affected the annual variation. Resulted from using an IB-corrected MSS reference. The error is corrected by estimating a local mean sea level from the non-IB data.