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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 - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    STR (Swarm)

    The Swarm Star Trackers retrieve information on the precise satellite orientation and attitude.

  • Instrument - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    ACC (Swarm)

    The Accelerometer measures the Swarm satellite’s non-gravitational acceleration in its respective orbit.

  • Instrument - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    GPSR and LRR (Swarm)

    Each Swarm satellite is equipped with a Laser Retroreflector for external calibration and validation of the on-board GPS receiver.

  • 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 - 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 - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    VFM

    The Vector Field Magnetometer is the primary instrument carried aboard the Swarm satellites.

  • Instrument - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    ASM

    The Absolute Scalar Magnetometer on the Swarm satellites measures the strength of the magnetic field.

  • Instrument - Magnetic Field/Electric Field Instruments

    Instrument - Magnetic Field/Electric Field Instruments

    EFI

    The Electric Field Instrument aboard the Swarm satellites is the first 3D ionospheric imager in space.