earth online
  • All Categories
  • Data
  • News
  • Missions
  • Events
  • Tools
  • Activities
  • Instruments
  • Campaigns
  • Documents

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.

  • Instrument - Imaging Spectrometers/Radiometers

    prompt photo

    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 - Positioning/Navigation

    prompt photo

    PRARE

    The Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system on board the ERS-1 and ERS-2 missions.

  • Instrument - Laser Ranging

    prompt photo

    LRR ERS

    The Laser Retro-Reflector (LRR), on board the ERS-1 and ERS-2 missions, was an optical device for accurate satellite tracking from the ground to support instrument data evaluation.

  • Instrument - Scatterometers

    prompt photo

    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

    prompt photo

    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

    prompt photo

    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 - Imaging Spectrometers/Radiometers

    prompt photo

    Vegetation (VGT)

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

  • Instrument - Laser Ranging

    prompt photo

    LRR (Envisat)

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

  • Instrument - Radar Altimeters

    prompt photo

    STR (Swarm)

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

  • Instrument - Accelerometers

    prompt photo

    ACC (Swarm)

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

  • Instrument - GPS

    prompt photo

    GPSR and LRR (Swarm)

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

  • Instrument - Imaging Spectrometers/Radiometers

    prompt photo

    Thermal Infra-Red Sensor (TIRS)

    TIRS on Landsat-8 mission is a thermal imager that supplements observations from the OLI (Operational Land Imager) instrument.

  • Instrument - Spectrometers

    prompt photo

    SCIAMACHY

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

  • Instrument - Radar Altimeters

    prompt photo

    RA-2

    The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land and ice surfaces.

  • Instrument - Imaging Spectrometers/Radiometers

    prompt photo

    MWR (Envisat)

    The MWR instrument, on board Envisat mission, measured integrated atmospheric water vapour column and cloud liquid water.

  • Instrument - Imaging Radars

    prompt photo

    SAR (JERS-1)

    The JERS-1 mission had a Synthetic Aperture Radar (SAR) on board.

  • Instrument - Interferometers

    prompt photo

    MIPAS

    MIPAS was an atmospheric instrument carried aboard the Envisat satellite.

  • Instrument - Imaging Spectrometers/Radiometers

    prompt photo

    MERIS

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

  • Instrument - Cameras

    prompt photo

    HRC

    The High Resolution Camera (HRC) is a black and white camera with a miniaturised telescope on the PROBA-1 mission.

  • Instrument - Spectrometers

    prompt photo

    GOMOS

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

Cookies & Privacy

We use cookies which are essential for you to access our website and to provide you with our services and allow us to measure and improve the performance of our website. Please consult our Cookie Notice for further information or to change your preferences.