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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.
Instrument - Scatterometers
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
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 - Imaging Spectrometers/Radiometers
Thematic Mapper (TM)
The Thematic Mapper (TM) was a multispectral scanning radiometer on board Landsat-4 and Landsat-5.
Instrument - Imaging Spectrometers/Radiometers
Multi Spectral Scanner (MSS)
The Multi Spectral Scanner (MSS) instrument was carried aboard the Landsat-1 to 5 satellites.
Instrument - Imaging Spectrometers/Radiometers
Vegetation (VGT)
The main PROBA-V payload is the Vegetation sensor (VGT): a multispectral pushbroom spectrometer.
Instrument - GPS
SSTI
SSTI was a state-of-the-art GPS receiver on GOCE that was designed to operate in a low-Earth orbit.
Instrument - Imaging Spectrometers/Radiometers
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 - Radar Altimeters
RA-2
The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land and ice surfaces.
Instrument - Imaging Spectrometers/Radiometers
Operational Land Imager (OLI)
The OLI, on board Landsat-8, measures in the visible, near infrared, and short wave infrared.
Instrument - Imaging Spectrometers/Radiometers
Enhanced Thematic Mapper Plus (ETM+)
The Enhanced Thematic Mapper Plus (ETM+) is the main instrument onboard Landsat-7.
Instrument - Imaging Spectrometers/Radiometers
MWR (Envisat)
The MWR instrument, on board Envisat mission, measured integrated atmospheric water vapour column and cloud liquid water.
Instrument - Imaging Spectrometers/Radiometers
MERIS
The MERIS instrument aboard Envisat was primarily dedicated to providing ocean colour measurements.
Instrument - Accelerometers
EGG
The main objective of GOCE's EGG was to measure the three components of the Gravity-Gradient Tensor.
Instrument - Imaging Spectrometers/Radiometers
CHRIS
Compact High Resolution Imaging Spectrometer (CHRIS) provides data of spectral reflectances.
Instrument - Imaging Radars
PALSAR
The ALOS-1 PALSAR was a successor sensor to the synthetic aperture radar on board JERS-1.
Instrument - Imaging Spectrometers/Radiometers
AVNIR-2
The Advanced Visible and Near-Infrared Radiometer-2 (AVNIR-2) was a visible and near infrared radiometer for observing land and coastal zones.
Instrument - Imaging Radars
ASAR
ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.
Instrument - Interferometric Radiometers
MIRAS
The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.
