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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 - Positioning/Navigation
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.
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Instrument - Imaging Radars, Scatterometers
Instrument - Imaging Radars, 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.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
STR (Swarm)
The Swarm Star Trackers retrieve information on the precise satellite orientation and attitude.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
ACC (Swarm)
The Accelerometer measures the Swarm satellite’s non-gravitational acceleration in its respective orbit.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
GPSR and LRR (Swarm)
Each Swarm satellite is equipped with a Laser Retroreflector for external calibration and validation of the on-board GPS receiver.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
VFM
The Vector Field Magnetometer is the primary instrument carried aboard the Swarm satellites.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
ASM
The Absolute Scalar Magnetometer on the Swarm satellites measures the strength of the magnetic field.
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Instrument - Magnetic Field/Electric Field Instruments
Instrument - Magnetic Field/Electric Field Instruments
EFI
The Electric Field Instrument aboard the Swarm satellites is the first 3D ionospheric imager in space.