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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.
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.
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.
2008 Release 2 (05/29/2008)
Applies an ad hoc JMR correction for Jason-1 GDR-B cycles 1 through 227.
Applies 1.6 mm correction for the IB error for Jason-1 GDR-B cycles 94 through 142.
2008 Release 3 (09/08/2008)
For Jason-1, a bug is fixed to correctly interpolate the mean sea surface.
Jason-1 GDR Version B cycles 1 through 232 are used.
2008 Release 4 (12/11/2008)
Uses GDR-C for cycles 180, 184, 186-190, 193-194, 196-240, 244-246, and 248.
Updates GDR-B with GDR-C standards, e.g., GDR-C JMR, range correction, SSB model,
etc.
2009 Release 1 (02/13/2009)
Uses GDR-C for cycles 11, 14-16, 151, 153-157, 159, 161-164, 166-167, 171-173, 177,
180, 182, 184-190, 193-242, and 244-256.
2009 Release 2 (03/12/2009)
Fixes a bug in the implementation of 1.6 mm correction for the IB error for Jason-1
GDR-B cycles 94 through 142.
Updates with GDR-C cycles are 3-6, 9-10, 12, 21, 133-135, 138, 143-145, 158, 165,
169-170, 174, 176, and 257.
2009 Release 3 (07/17/2009)
Updates with more GDR-C cycles. Added Jason-2/OSTM GDR cycles 1-28.
2009 Release 4 (09/18/2009)
Newly added GDR-C cycles are 13, 17, 19, 25, 47, 53, 56, 65, 118, 123, 142, 148-150, 168,
and 183. Added Jason-2/OSTM GDR cycles 29-34.
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