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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

    RA (ERS)

    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

    MIRAS

    Instrument - Spectrometers/Radiometers

    MIRAS

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