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Geophysical data: GDR, IGDR, OGDR

Contents: along-track altimetric measurements over 1 seconde (+ 20 Hz sampling data only for the OSTM / Jason-2 misison), including significant wave height and wind speed modulus in delayed time or real time (OGDR, OSDR)
Use: marine meteorology, ocean-atmosphere gas tranfer studies
Description : Monomission product
Geographic coverage Global
Tools:

Wind / Wave (delayed time)

Dissemination:
We inform all the users that the ftp dissemination of the Geophysical Data Records (S/I/GDRs for Jason-1, Jason-2, Jason-3, Saral  and OGDRs for Saral) products is gradually being transferred to the authenticated AVISO+ ftp portal  (ftp://ftp-access.aviso.altimetry.fr/). It is thus foreseen to stop the previous access (ftp://avisoftp.cnes.fr/AVISO/pub/) by September 12th. 

Note that the deliveries on the Online Data Extraction Service (ODES) and the AVISO+ Cnes Data Center remain unchanged.

Current data:
Since June 20th, the operational chain has been delivering the data for the current missions on both AVISO+ ftp portals, allowing the operational users to switch to the authenticated AVISO+ ftp server as soon as possible. 
The double dissemination is planned until 12th  September 2019.

Historical data
:
For the moment, the historical data (past and current missions) is still available only on ftp://avisoftp.cnes.fr/AVISO/pub/ and in August, we will trasnfer the whole historical data on the authenticated Aviso+ ftp portal (ftp://ftp-access.aviso.altimetry.fr). 

Thus, the same data will be available on both portals until 
September 12th. After September 12th, the Geophysical Data Records products will be available only at the authenticated Aviso+ ftp portal (ftp://ftp-access.aviso.altimetry.fr/)

AVISO+ registration:
If you are not registered, we invite you to fill the form on the AVISO+ web portal to get your credentials as soon as possible. You can consult our FAQ for any information about the registration.
If you are already registered but you haven't these products in your list, we invite you to ask for a new product: you can consult our FAQ for any information.


GDR (delayed-time): Geophysical Data Record

Copyright : 2013-ongoing Cnes for IGDR Saral/AltiKa data , 2008-ongoing Cnes for Jason-2 data, 2002-ongoing Cnes and Nasa for Jason-1, 2002-2012 Esa for Envisat data, 1992-2005 Cnes and Nasa for T/P GDR data, 2016-ongoing CNES for Jason-3

SatelliteDistribution mediaFrequencyDelivery delayData periodData usedFile weight
Jason-3FTP, please refer to your dedicated
MY AVISO+

 

ODES

every 10 days2 monthsFeb.2016-ongoingOne pass per file (zipped)4 MB
Saralevery 35 days2 monthsMar 2013-ongoing5.5 MB 
Jason-2every 10 days2 monthsJun 2008 - ongoing5 MB
Jason-1every 10 days-Jan 2002 - Jun 20131.3 MB 
Envisatplease contact EOHelp (ESA)--Apr 2003 - Oct 2010--
T/Prequest via Catalogue--Oct 1992 - Oct 2005One pass per file0.7 MB 

See also GDR products available on the catalogue (through menu DATA) 

See also Wind / Wave products available on the Catalogue

IGDR (near-real time) : Interim Geophysical data record

SatelliteDistribution mediaFrequencyDelivery delayData periodData usedFile weight
Jason-3FTP, please refer to
 your dedicated 
MY AVISO+

ODES

every day1 to 2 dayslast month onlineOne pass per file4 MB per pass file (zipped)
Saralevery day1 to 2 dayslast month onlineOne pass per file6 MB per pass file (zipped)
Jason-3every day1 to 2 dayslast month onlineOne pass per file3 MB per pass file
(zipped)

See also IGDR products available on the catalogue (through menu DATA)

OGDR (real time) : Operational Geophysical data record

SatelliteDistribution mediaFrequencyDelivery delayData periodData usedFile weight
SaralFTP, please refer to
 your dedicated
MY AVISO+
several times per day3 to 5 hours per daylast month onlineOne pass per file10-11 MB per file (zipped)

See also OGDR products available on the catalogue (through menu DATA)
Note: the official dissemination of SARAL OGDR products is under the responsibilty of EUMETSAT and ISRO. CNES declines any responsability in case of products latency or gaps happening on the ftp server.

SGDR (Delayed Time): Sensor Geophysical Data Record

Satellite Distribution media Frequency Delivery delay Data period Data delivery File weight

Jason-3

FTP, please refer to your dedicated
MY AVISO+

ODES

60 days 60 days Feb 2016-ongoing one pass per file (zipped) 18 MB
Saral Mar 2013-ongoing 19 MB
Jason-2 Jul 2008-ongoing 15 MB
Jason-1 - - Jan 2002-Jun 2013 13 MB
Envisat Please contact EOHelp (ESA) - -  - -
T/P on request via catalogue-- Poseidon cycles -

See also Sensor Geophysical products available on the catalogue (through menu DATA)

SIGDR (Near-real-time): Sensor Interim Geophysical Data Record

SatelliteDistribution mediaFrequencyDelivery delayData periodData deliveryFile weight 
Jason-3FTP, please refer to
 your dedicated 
MY AVISO+

ODES
every day2 dayslast 3 months onlineone pass per file (zipped)18 MB
Saral 19 MB
Jason-2 15 MB

See also Sensor Geophysical products available on the catalogue (through menu DATA)

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