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Browse through mission documentation and reports, and learn more about European Space Agency Earth Observation projects and opportunities.

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  • Document - Newsletter

    14 Oct 2021

    Document - Newsletter

    Earth-Online-Newsletter-Issue-7.pdf

    This is the seventh issue of the Earth Online Newsletter for 2021, containing selected features from recent news.

  • Document - Mission Status Report

    28 Sept 2021

    Document - Mission Status Report

    CNES_ENVISAT_POE-F_orbits_CLS_validation.pdf

    CNES POD Activities

  • Document - Technical Note

    28 Sept 2021

    Document - Technical Note

    POD_configuration_POEF.pdf

    POD configuration POEF

  • Document - Newsletter

    29 July 2021

    Document - Newsletter

    Earth-Online-Newsletter-Issue-2.pdf

    This is the second issue of the Earth Online Newsletter for 2021, containing selected features from recent news.

  • Document - Technical Note

    11 June 2021

    Document - Technical Note

    ENVISAT-MERIS-Changes-in-the-Level-1-and-Level-2-products.pdf

    This document provides a precise of the nature of the changes in the Level 1 and Level 2 products for the MERIS instrument on the ENVISAT mission.

  • Document - Product Cal/Val Plan/Report

    11 June 2021

    Document - Product Cal/Val Plan/Report

    CEOS-Working-Group-Calibration-and-Validation.pdf

    This document describes the Committee on Earth Observation Satellite's involvement in Calibration and Validation activities for Earth Observation satellites.

  • Document - Product Cal/Val Plan/Report

    11 June 2021

    Document - Product Cal/Val Plan/Report

    ENVISAT-MERIS-Accuracy-of-the-3rd-reprocessing-results.pdf

    This document provides an overview of the Accuracy of the changes made during the 3rd Reprocessing.

  • Document - General Reference

    11 June 2021

    Document - General Reference

    Coastal-Altimetry-and-CoastAlt.pdf

    This flyer describes the ESA funded CoastAlt project, whose main objective was to contribute to the transition of pulse-limited coastal altimetry toward a mature, pre-operational phase.

  • Document - General Reference

    11 June 2021

    Document - General Reference

    CEOS-Sustainable-Development-The-Space-Contribution-Paper.pdf

    This Fact Sheet examines the Committee on Earth Observation Satellite's (CEOS) activities in the field of sustainable development through the use of space technology.

  • Document - Technical Note

    9 June 2021

    Document - Technical Note

    A-comparison-of-superresolution-reconstruction-methods-for-multiangle-CHRIS-Proba-images.pdf

    This paper presents the results of three superresolution methods applied to multiangular CHRIS/Proba data: three methods, namely non-uniform interpolation and de-convolution, iterative back-projection, and total variation are examined.

  • Document - Technical Note

    11 May 2021

    Document - Technical Note

    REVIEW OF THE IMPACT OF ERS-2 PILOTING MODES ON THE SAR DOPPLER STABILITY

    ERS-2 was piloted in yaw-steering mode using three gyroscopes since the beginning of the mission until February 2000, when a new yaw-steering mode using only one gyroscope was implemented. The ERS-2 gyroscopes had experienced several problems during the mission and the new mono-gyro mode (1GP) was intended to ensure the mission continuity even in case of additional failures. In January 2001 a new test piloting mode using no gyroscopes, the Extra-Backup Mode (EBM), was implemented as a first stage of a gyro-less piloting mode. The aim of this challenging mode was to maintain the remaining gyroscopes performance only for those activities absolutely requiring them, such as some orbit manoeuvres. A more accurate version of this yaw-steering zerogyro mode (ZGM) was operationally used since June 2001 and the performance was further improved with the implementation of the Yaw Control Monitoring mode (YCM) at the beginning of 2002. The evolution from the nominal and extremely stable three-gyro piloting mode (3GP) to the YCM has allowed to successfully continuing the ERS-2 operations despite of the gyroscopes failures. Nevertheless, this evolution has significantly affected the stability of the satellite attitude and the SAR Doppler Centroid frequency. The scope of this paper is to provide an overview of the different ERS-2 piloting modes and to assess their impact on the platform attitude, the SAR Doppler stability, the product quality and the applications performance, particularly for interferometry.

  • Document - Product Document

    11 May 2021

    Document - Product Document

    IDEAS+-VEG-OQC-REP-2742_ASAR_Medium_Resolution_Bulk_Processing_QC_Report_v1.3.pdf

    QC Report for ASAR Medium Resolution Products processed under the DSI Bulk Processing Campaign

  • Document - Product Document

    11 May 2021

    Document - Product Document

    mgvi_demo_level3_description.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    mkl3_product_handbook_is1r0.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    pinty_etal_ies_2002.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    Gobron_SP615.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    GPS-MERIS-WV.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    L3-ENV-MER-PFS-ESA-ACR-01.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    L3-ENV-MER-PFS-ESA-ACR-02.pdf

    Envisat Meris Level 3 Demonstration Products

  • Document - Product Document

    11 May 2021

    Document - Product Document

    L3-ENV-MER-PFS-ESA-ACR-03.pdf

    Envisat Meris Level 3 Demonstration Products