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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.

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  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    SAR (ERS-1)

    The ERS-1 satellite, launched on 17 July 1991, carried a Synthetic Aperture Radar (SAR).

  • Instrument - Altimeters

    Instrument - Altimeters

    RA (ERS-2)

    The RA on ERS-2 was a Ku-band nadir-pointing active microwave sensor designed to measure echoes from ocean and ice surfaces.

  • Instrument - Altimeters

    Instrument - Altimeters

    RA (ERS-1)

    The RA on ERS-1 was a Ku-band nadir-pointing active microwave sensor designed to measure echoes from ocean and ice surfaces.

  • Instrument - Altimeters

    Instrument - Altimeters

    RA (ERS)

    The Radar Altimeter (RA) was a Ku-band (13.8 GHz) nadir-pointing active microwave sensor, on board ERS-1 and ERS-2 missions, designed to measure echoes from ocean and ice surfaces.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MWR (ERS)

    The microwave radiometer (MWR) instrument on board the ERS-1 and ERS-2 missions provided measurements of the integrated atmospheric water vapour column and cloud liquid water content.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    GOME

    The Global Ozone Monitoring Experiment (GOME) was a nadir-scanning ultraviolet and visible spectrometer for global monitoring of atmospheric Ozone.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    ATSR-2

    Used for measuring sea-surface temperatures, cloud-top temperatures and vegetation monitoring.