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Operational News

Operational news about Ssalto and Duacs processing system.

02.12.2019 AVISO+ FTP server recovery

Recovery of AVISO+ FTP server has been completed[more]

02.12.2019 Temporary unavailability of the AVISO+ FTP server

AVISO+ FTP server is unavailable since Sunday December 1st 23h UTC.[more]

28.11.2019 CNES DATA center maintenance operation on December 3rd

Due to a maintenance operation next Tuesday December 3rd, the access to CNES DATA Center ( will be unavaible between 07h30 to 18h UTC[more]

08.11.2019 Upgrade of the Gridded Data Extraction Tool python Client

Please be informed that for security reasons, the https protocol will be upgraded (in version TLS1.2) on December 3rd with an impact on the Gridded Data Extraction Tool python client.  If you use the script option to download data from this tool, you are thus invited to download as soon as possible the last version of the script available (1.8.4)  on this link. After December 3rd, the former versions of the python client will no longer work. Thank you for your understanding[more]

07.11.2019 FTP protocol important information

We would like to inform users that the FTP protocol is no longer supported by most common browsers[more]

30.09.2019 [Jason-2] OSTM/Jason-2 mission to cease acquisition of scientific data

After more than 11 years in orbit, the Ocean Surface Topography Mission (OSTM) on Jason-2 will permanently cease acquisition of scientific data.[more]

12.06.2019 [Saral/Altika] Cycle 128 GDR release

GDR cycle 128 (11 March 2019-15 April 2019) was just released recently[more]

22.05.2019 [Jason-2] Jason-2 is back to work

All core mission instruments have been restarted today on the last available pass :

POSEIDON at 08:54:07UTC AMR at 08:56:06UTC GPSP at 08:59:15UTC

The first OGDRs will be available around 10:30UTC.


As a reminder, 2 maneuvers are still necessary to place Jason-2 correctly in order to resume the geodetic cycle #2, stopped on February 16th. According to the current plans, this should be achieved on Tuesday 28th of May.[more]

10.05.2019 [Saral/Altika] Cycle 127 GDR release

Dear SARAL/Altika users,

Please take note of the disclaimer below : 

GDR cycle 127 (04 February 2019-11 March 2019) was just released recently. During this cycle SARAL/AltiKa satellite regularly encountered mispointing events. The availability and the quality of data measurements continue to be degraded from time to time. CNES, EUMETSAT and ISRO inform users that removing any ocean data with “off_nadir_angle_wf” over 0.09 deg² will ensure a good data quality.

Detailled information about calval analysis is given in this page.

Quality assement report is available here.[more]

09.05.2019 Maintenance on the Aviso+ Web services on May 14th 2019 between 10h and 10h15 UTC

Due to a maintenace, the Aviso+ web sites will be disrupted on May 14th between 10h and 10h15 UTC. This will concern, the website, the Aviso+ extraction service, the TDS (Opendap), and the Live Access Server (LAS) [more]

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