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 - Radar Altimeters

    prompt photo

    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

    prompt photo

    Thematic Mapper (TM)

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

  • Instrument - Spectrometers/Radiometers

    prompt photo

    Return-Beam Vidicon (RBV)

    The Return-Beam Vidicon (RBV) instrument was flown onboard the Landsat-1 to 3 satellites.

  • Instrument - Imaging Spectrometers/Radiometers

    prompt photo

    Multi Spectral Scanner (MSS)

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

  • Instrument - Laser Ranging

    prompt photo

    LRR (Envisat)

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

  • Instrument - Radio

    prompt photo

    DORIS

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

  • 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

    Enhanced Thematic Mapper Plus (ETM+)

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

  • 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 - 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 - Spectrometers

    prompt photo

    GOMOS

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

  • Instrument - Imaging Radars

    prompt photo

    ASAR

    ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.

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.