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Operational News

Operational news about Ssalto and Duacs processing system.

19.08.2008 Jason-1 latest news

The satellite is out of safehold mode since 2008/08/13.

A problem of mass memory has been detected the 2008/08/14. Investigations are ongoing on CNES and THALES sides.

14.08.2008 Jason-1 OSDR produced once again

Jason-1 OSDR are once again produced nominally. First file generated after end of safehold mode is


produced at 17:41 (UT) on August 13.

12.08.2008 Jason-1 restarting nominally

Jason-1 is getting out of safehold mode nominally. A single event upset is probably the cause of the problem on wheel #3.


Payload will be re-started on Wednesday (August 13rd), except for Doris which stayed ON. OSDR processing will begin back then, IGDR processing on August 18.

08.08.2008 Jason-1 in safehold mode

The satellite has been in BBQ mode since 2008/08/07 12:31 UT.

A problem was detected on wheel number 3 at 12:31:59.


Last generated products : JA1_OSD_2PcS20080807_094403_06946

First_Measurement_Time = 2008-08-07T09:44:03.723310;

Last_Measurement_Time = 2008-08-07T11:39:49.557237;


Analysis is ongoing

19.06.2008 [Jason-1 IGDR and GDR] now processed in version C

Jason-1 IGDR and GDR are processed in version C, beginning today (starting with data dated from 2008/06/17). Note that file names have changed (see news on 2008/06/13)

13.06.2008 [Jason-1 IGDR and GDR] Modification made for version C

Jason-1 IGDR and soon GDR will be processed in new standards (version "c"). Changes on file names will also be done.[more]

11.06.2008 [Jason-1 and Envisat IGDR] Use of Mog2D high resolution in the IGDRs

Starting today, Mog2D high resolution is used in the IGDR as Dynamic Atmospheric correction.

09.06.2008 [Jason-1 and Envisat IGDR] Processing of IGDR in version C will begin next week

A new standard for (I)GDR has been installed for Jason-1 and Envisat. First data processed with these new standard (GDR-C) should be IGDRs released next week.

09.05.2008 [Jason-1 mission] End of Jason-1 - Topex/Poseidon Close approaches

Topex/Poseidon has now moved well in front of Jason-1 and will no longer violate Jason's 1-km red zone.

A potential triple conjunction between Jason, TOPEX and Cosmos_1691_Debris at 0333z has also passed without incident.

All remains nominal onboard the spacecraft and we anticipate returning the Poseidon-2 altimeter to an operational state on 13-May, prior to the start of the next Jason science cycle.

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