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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 - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    Thematic Mapper (TM)

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

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    Multi Spectral Scanner (MSS)

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

  • 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 - Thermal/Radiation Detectors

    Instrument - Thermal/Radiation Detectors

    Thermal Infra-Red Scanner (TIRS)

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

  • Instrument - Photon/Optical Detectors

    Instrument - Photon/Optical Detectors

    Operational Land Imager (OLI)

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

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    Enhanced Thematic Mapper Plus (ETM+)

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

  • 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.