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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 - Radar Altimeters
STR (Swarm)
The Swarm Star Trackers retrieve information on the precise satellite orientation and attitude.
Instrument - Accelerometers
ACC (Swarm)
The Accelerometer measures the Swarm satellite’s non-gravitational acceleration in its respective orbit.
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 - MAGNETOMETERS
VFM
The Vector Field Magnetometer (VFM) is the primary instrument carried aboard the Swarm satellites.
Instrument - MAGNETOMETERS
ASM
The Absolute Scalar Magnetometer on the Swarm satellites measures the strength of the magnetic field.
Instrument - Magnetic Field/Electric Field Instruments
EFI
The Electric Field Instrument (EFI) aboard the Swarm satellites is the first 3D ionospheric imager in space.