CTOH Products

Access to CTOH's data and products.

To download and use data, you must be a registered user, but anyone can browse the catalog,

 Availability and data access


For altimetry products not available in the list below, please use this offline data request web form to request data


Look at our Product Gallery


Along-Track Product Format Data Access Coverage Timespan 
Cryosat-2 Baseline C NetCDF Form Global  2010/10/01-now
ERS-2 continental surfaces NetCDF Form Global  1995/05/17-2003/07/02
Envisat NetCDF Online Global  2002/05/14-2010/10/21
Envisat new orbit  NetCDF  Online Global   2010/10/26-2012/04/08
GFO Binary Form Global  2000/01/08-2008/09/08
Jason-1 NetCDF Online Global  2002/01/15-2009/01/26
Jason-1 new orbit NetCDF Online Global  2009/02/10-2012/03/03
Jason-2 NetCDF Online Global  2008/07/04-now
Jason-3 NetCDF soon
Global  2016/02/12-now
Saral/AltiKa NetCDF
Global  2013/03/14-now
Topex/Poseidon CASH NetCDF Form Global  1992/12/21-2002/06/22
 GPD+ Wet Tropo (all missions) NetCDF Aviso+ Global   1991/9/1-2016/12
Product Format Data Access Coverage Timespan
Coastal X-TRACK sea-level timeseries NetCDF Aviso+ Coastal zones  
Coastal X-TRACK tide constituents  NetCDF Aviso+ Coastal zones  
Climatology of near-inertial currents NetCDF Form  Global  1999/07-2006/12

Hydrology altimetric data



Sea Ice Products NetCDF Form Arctic, Antarctic  2002-2020
Southern Ocean Polar Fronts NetCDF Form Southern Ocean 1992/10/14-2019/12/31

Currently,  products exist for:

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