RA-2 Products Information

The information provided in this page is applicable to the latest Altimetry v3.0 dataset (RA2 and MWR) and to previous v2.1 dataset.

RA2MWR Level 2 Reprocessing v3.0 data available 

The ESA Envisat Altimetry Full Mission Reprocessing (FMR) has been completed with the generation of the V3.0 mission data set. This FMR follows the first Envisat Altimetry reprocessing Version (V2.1) completed in 2012.

There are 2 RA-2 Level 2 products: the Geophysical Data Record (GDR), the Sensor Geophysical Data Record (SGDR), both in netCDF format:

• GDR (Geophisical Data Record): containing radar range and orbital altitude, wind speed, wave height, water vapour from the MWR and geophysical corrections.
• SGDR (Sensor and Geophysical Data Record): which includes RA-2 geophysical data (as for GDR), plus RA-2 averaged waveforms (18Hz) and RA-2 individual waveforms (1800Hz).

Altimeter v 3.0 dataset Technical Documents

• RA2 Handbook: Envisat Altimetry Level 2 Product Handbook
• Status of RA2 and MWR reprocessed products: Envisat Altimetry Product Read Me
• Products Specifications:   Product Specifications
• Envisat Altimetry Mission Error Budget: Error Budget
• Validation Report: Validation Report

Both GDR and SGDR products from the Envisat Altimetry reprocessing V2.1 are in Envisat format.
 

Altimeter v2.1 dataset Technical Documents

• RA2 Handbook: Envisat Altimetry Level 2 User Manual
• Status of RA2 and MWR reprocessed products: Envisat Altimetry Product Read Me
• Products Specifications:  PO-RS-MDA-GS-2009  issue 4C
• PTR external correction:  data format
• MWR dataset v2.1b correction:  data format