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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 Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    ATSR

    The Along Track Scanning Radiometer (ATSR) on board ERS-1 and ERS-2 mission consisted of two instruments, an Infra-Red Radiometer and a Microwave Sounder.

  • Instrument - Scatterometers

    Instrument - 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 - Imaging Spectrometers/Radiometers

    Instrument - Imaging 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 - Scatterometers

    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 - Radar Altimeters

    Instrument - Radar 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 - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Thematic Mapper (TM)

    The Thematic Mapper (TM) was a multispectral scanning radiometer on board Landsat-4 and Landsat-5.

  • Instrument - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Multi Spectral Scanner (MSS)

    The Multi Spectral Scanner (MSS) instrument was carried aboard the Landsat-1 to 5 satellites.

  • Instrument - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Vegetation (VGT)

    The main PROBA-V payload is the Vegetation sensor (VGT): a multispectral pushbroom spectrometer.

  • Instrument - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Thermal Infra-Red Scanner (TIRS)

    TIRS on Landsat-8 is a thermal imager that supplements observations from the OLI instrument.

  • Instrument - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Operational Land Imager (OLI)

    The OLI, on board Landsat-8, measures in the visible, near infrared, and short wave infrared.

  • Instrument - Imaging Spectrometers/Radiometers

    Instrument - Imaging Spectrometers/Radiometers

    Enhanced Thematic Mapper Plus (ETM+)

    The Enhanced Thematic Mapper Plus (ETM+) is the main instrument onboard Landsat-7.