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  • Data - Other

    Data - Other

    EO Sign In registration

    Learn how to register an EO Sign In account, which is required to access some data and submit proposals for data.

  • Data - Other

    Data - Other

    Data registration and proposals profile

    Access your profile to see your requested data products or registrations and proposals you have submitted. An active EO Sign In account is required.

  • Mission - Heritage Missions

    Mission - Heritage Missions


    The ERS programme was composed of two missions, ERS-1 and ERS-2, which together observed the Earth for 20 years, from 1991 to 2011.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers


    The Along Track Scanning Radiometer (ATSR) on board ERS-1 and ERS-2 mission consisted of two instruments, an Infra-Red Radiometer and a Microwave Sounder.

  • Data - Data Download

    Data - Data Download

    ERS/Envisat (A)ATSR HTTPS

    Download ERS/Envisat (A)ATSR products through the MERCI Catalogue and Inventory service. The data is freely available to registered users.

  • Activity - Quality

    Activity - Quality


    The REAPER (REprocessing of Altimeter Products for ERS) project covers both the ERS-1 and the ERS-2 altimetry missions. The project aims to support and maintain data quality.

  • Document - Technical Note

    Document - Technical Note


    This document is a draft specification of the scientific products from RAL's SADIST-2 ATSR data-processing software. Since SADIST-2 is being developed such that it can process data from both ATSR-1 and ATSR-2 instruments, the products described here have been designed to be sufficiently flexible and modular that they are equally valid for either instrument.

  • Document - Software Verification Plan/Report

    Document - Software Verification Plan/Report


    This document describes how to decode ERS Low Bit Rate (LBR) Fast Delivery (FD) products from the World Meteorological Organisation (WMO) standard FM94 BUFR format required for transmission to users via the WMO Global Telecommunications System (GTS).