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INSTRUMENTS

Explore the many instruments the European Space Agency use to observe the Earth. ESA offer data from a wide range of optical, radar, atmospheric, altimetric and gravimetric instrumentation.

Search items

  • Instrument - Scatterometers

    WS

    Instrument - Scatterometers

    WS

    The Wind Scatterometer (WS) instrument, on board the ERS-1 and ERS-2 missions, obtained information on wind speed and direction over the sea surface.

  • Instrument - Imaging Radars, Scatterometers

    SAR (ERS)

    Instrument - Imaging Radars, Scatterometers

    SAR (ERS)

    The Synthetic Aperture Radar (SAR) instrument aboard ERS-1 and ERS-2 was capable of high precision change detection of surface heights.

  • Instrument - Positioning/Navigation

    LRR ERS

    Instrument - Positioning/Navigation

    LRR ERS

    The Laser Retro-Reflector (LRR), on board the ERS-1 and ERS-2 missions, was an optical device for accurate satellite tracking from the ground to support instrument data evaluation.

  • Instrument - Magnetic Field/Electric Field Instruments

    GPSR and LRR (Swarm)

    Instrument - Magnetic Field/Electric Field Instruments

    GPSR and LRR (Swarm)

    Each Swarm satellite is equipped with a Laser Retroreflector for external calibration and validation of the on-board GPS receiver.