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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 - 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 - Altimeters

    Instrument - Altimeters

    RA-2

    The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land and ice surfaces.

  • Instrument - Imaging Radars

    Instrument - Imaging Radars

    ASAR

    ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.

  • Instrument - Lidar/Laser Sounders, Profilers/Sounders

    Instrument - Lidar/Laser Sounders, Profilers/Sounders

    ALADIN

    ALADIN, on board Aeolus, is a Direct Detection Doppler Wind Lidar operating in the ultraviolet range.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MIRAS

    The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.