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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 - Accelerometers
ACC (Swarm)
The Accelerometer measures the Swarm satellite’s non-gravitational acceleration in its respective orbit.
Instrument - Imaging Radars
ASAR
ASAR ensures continuity with the image mode (SAR) and the wave mode of the ERS-1/2 AMI.
Instrument - MAGNETOMETERS
ASM
The Absolute Scalar Magnetometer on the Swarm satellites measures the strength of the magnetic field.
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 Spectrometers/Radiometers
CHRIS
Compact High Resolution Imaging Spectrometer (CHRIS) provided data of spectral reflectances.
Instrument - Magnetic Field/Electric Field Instruments
EFI
The Electric Field Instrument (EFI) aboard the Swarm satellites is the first 3D ionospheric imager in space.
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
Enhanced Thematic Mapper Plus (ETM+)
The Enhanced Thematic Mapper Plus (ETM+) is the main instrument onboard Landsat-7.
Instrument - Spectrometers
GOMOS
GOMOS is a medium resolution spectrometer covering the wavelength range from 250 nm to 950 nm.
Instrument - GPS
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
MERIS
The MERIS instrument aboard Envisat was primarily dedicated to providing ocean colour measurements.
Instrument - Interferometers
MIPAS
MIPAS was an atmospheric instrument carried aboard the Envisat satellite.
Instrument - Interferometric Radiometers
MIRAS
The MIRAS instrument is a passive microwave 2-D interferometric radiometer onboard the SMOS satellite.
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
MWR (Envisat)
The MWR instrument, on board Envisat mission, measured integrated atmospheric water vapour column and cloud liquid water.
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
Operational Land Imager (OLI)
The OLI, on board Landsat-8, measures in the visible, near infrared, and short wave infrared.
Instrument - Imaging Radars
PALSAR
The ALOS-1 PALSAR was a successor sensor to the synthetic aperture radar on board JERS-1.
Instrument - Positioning/Navigation
PRARE
The Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system on board the ERS-1 and ERS-2 missions.
