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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 - Altimeters
Instrument - Altimeters
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.
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Instrument - Altimeters
Instrument - Altimeters
RA (ERS-2)
The RA on ERS-2 was a Ku-band nadir-pointing active microwave sensor designed to measure echoes from ocean and ice surfaces.
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Instrument - Altimeters
Instrument - Altimeters
RA-2
The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land and ice surfaces.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
MWR (Envisat)
The MWR aboard Envisat measured integrated atmospheric water vapour column and cloud liquid water.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
MERIS
The MERIS instrument aboard Envisat was primarily dedicated to providing ocean colour measurements.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
GOMOS
GOMOS is a medium resolution spectrometer covering the wavelength range from 250 nm to 950 nm.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
GOME
The Global Ozone Monitoring Experiment (GOME) was a nadir-scanning ultraviolet and visible spectrometer for global monitoring of atmospheric Ozone.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
ATSR-2
Used for measuring sea-surface temperatures, cloud-top temperatures and vegetation monitoring.
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Instrument - Imaging Radars
Instrument - Imaging Radars
ASAR
ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.
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Instrument - Spectrometers/Radiometers
Instrument - Spectrometers/Radiometers
AATSR
The AATSR instrument aboard Envisat was primarily designed to measure Sea Surface Temperature.