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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 - Positioning/Navigation

    Instrument - Positioning/Navigation

    LRR (Envisat)

    The LRR instrument aboard Envisat was used to accurately determine the orbital height of the satellite.

  • Instrument - Positioning/Navigation

    Instrument - Positioning/Navigation

    DORIS

    DORIS was used to determine the precise location of Envisat in orbit.

  • Instrument - Positioning/Navigation

    Instrument - Positioning/Navigation

    PRARE (ERS-2)

    Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system for the measurement of satellite to ground range and range rate.

  • Instrument - Positioning/Navigation

    Instrument - Positioning/Navigation

    PRARE (ERS-1)

    The Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system on board the ERS-1 mission.

  • Instrument - Positioning/Navigation

    Instrument - Positioning/Navigation

    LRR (ERS-2)

    An optical device for accurate satellite tracking from the ground to support instrument data evaluation

  • Instrument - Positioning/Navigation

    Instrument - Positioning/Navigation

    LRR (ERS-1)

    An optical device for accurate satellite tracking from the ground to support instrument data evaluation

  • Instrument - Scatterometers

    Instrument - Scatterometers

    WS (ERS-2)

    The ERS-2 Wind Scatterometer obtained information on wind speed and direction at the sea surface.

  • Instrument - Scatterometers

    Instrument - Scatterometers

    WS (ERS-1)

    The ERS-1 Wind Scatterometer was designed to measure wind over the oceans.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MWR (ERS-2)

    Used for measurement of the integrated atmospheric water vapour column & cloud liquid water content

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MWR (ERS-1)

    MWR provided measurements of the integrated atmospheric water vapour column and cloud liquid water content.

  • 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 - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    SCIAMACHY

    SCIAMACHY was an instrument aboard the Envisat satellite that measured atmospheric chemistry.

  • Instrument - Altimeters

    Instrument - Altimeters

    RA-2

    The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land 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 - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MWR (Envisat)

    The MWR aboard Envisat measured integrated atmospheric water vapour column and cloud liquid water.

  • Instrument - Interferometers, Spectrometers/Radiometers

    Instrument - Interferometers, Spectrometers/Radiometers

    MIPAS

    MIPAS was an atmospheric instrument carried aboard the Envisat satellite.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    MERIS

    The MERIS instrument aboard Envisat was primarily dedicated to providing ocean colour measurements.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    GOMOS

    GOMOS is a medium resolution spectrometer covering the wavelength range from 250 nm to 950 nm.

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    GOME

    GOME is a nadir-scanning ultraviolet & 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.