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Sensor Geophysical products

Contents : 20 Hz (40 Hz for Saral ) along-track waveform information, corrections to apply.
Use: expert use; coastal, ice studies or anything requesting a different retracking function than the one used for ocean
Description : Mono altimeter product
Geographic coverage Global

Copyright : 2002-ongoing Cnes and Nasa for OSDR data, 2002-ongoing Esa for Envisat data, 2013-ongoing Cnes for SIGDR Saral data

Documentation :

SARAL/Altika user guide, GDR -F version
SALP-MU-P-OP-17273-CN, edition 1.4, Sept. 2020
SARAL/AltiKa Products handbook GDR -D version (pdf, 7.1 MB)
SALP-MU-M-OP-15984-CN, edition 2.5, July 2016
Jason-3 Product handbook,
SALP-MU-M-OP-16118-CN, edition 1.5, Sept. 2018
since January 2020: new GDR -F version Saral user product document and improvements
OSTM/Jason-2 Products handbook (pdf, 2 MB)
SALP-MU-M-OP-15815-CN, edition 1.11, Jan. 2017
Jason-1 Products Handbook (pdf, 9 MB)
SMM-MU-M5-OP-13184-CN, edition 5.1, April 2016
Aviso User Handbook: Merged Topex/Poseidon Products (pdf, 900 KB)
AVI-NT-02-101-CN, edition 3.0, July 1996
Aviso CD ROM UserManual: Merged Topex / Poseidon Products
AVI-NT-02-100-CN, edition 3.0, July 1995. Notez que ce manuel n'est plus distribué, faute d'utilité (il était principalement destiné à expliquer comment se servir d'un lecteur de CD Rom depuis une station Unix). Toutes les informations nécessaires pour se servir des données GDR -M T/P sont dans le manuel ci-dessus (AVI-NT-02-101-CN).

to get access Aviso products

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 has been transferred to the authenticated AVISO+ ftp portal (ftp://ftp-access.aviso.altimetry.fr/) where the whole historical data has been moved too.

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

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.

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

Satellite	Distribution media	Frequency	Delivery delay	Data period	Data delivery	File weight
Jason -3	FTP, please refer to your dedicated MY AVISO+ ODES	every day	2 days	last 3 months online	one 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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