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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.

• 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.

• Instrument - Spectrometers/Radiometers

  

  Instrument - 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 - 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.

• Instrument - Spectrometers

  

  Instrument - Spectrometers

  Vegetation (VGT)

  The main PROBA-V payload is the Vegetation sensor (VGT): a multispectral pushbroom spectrometer.

• 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.

• 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.

• 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.

• Instrument - Positioning/Navigation

  

  Instrument - Positioning/Navigation

  PRARE (ERS-2)

  Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system for the measurement of satellite to ground range and range rate.

• Instrument - Positioning/Navigation

  

  Instrument - Positioning/Navigation

  PRARE (ERS-1)

  The Precise Range And Range-Rate Equipment (PRARE) was a microwave tracking system on board the ERS-1 mission.

• Instrument - Positioning/Navigation

  

  Instrument - Positioning/Navigation

  SSTI

  SSTI was a state-of-the-art GPS receiver on GOCE that was designed to operate in a low-Earth orbit.

• Instrument - Spectrometers/Radiometers

  

  Instrument - Spectrometers/Radiometers

  SCIAMACHY

  SCIAMACHY was an instrument aboard the Envisat satellite that measured atmospheric chemistry.

• Instrument - Altimeters

  

  Instrument - Altimeters

  RA-2

  The RA-2 instrument aboard Envisat acquired radar altimetry data over ocean, land and ice surfaces.

• Instrument - Spectrometers/Radiometers

  

  Instrument - Spectrometers/Radiometers

  MWR (Envisat)

  The MWR aboard Envisat measured integrated atmospheric water vapour column and cloud liquid water.

• Instrument - Interferometers, Spectrometers/Radiometers

  

  Instrument - Interferometers, Spectrometers/Radiometers

  MIPAS

  MIPAS was an atmospheric instrument carried aboard the Envisat satellite.

• Instrument - Spectrometers/Radiometers

  

  Instrument - Spectrometers/Radiometers

  MERIS

  The MERIS instrument aboard Envisat was primarily dedicated to providing ocean colour measurements.

• Instrument - Spectrometers/Radiometers

  

  Instrument - Spectrometers/Radiometers

  GOMOS

  GOMOS is a medium resolution spectrometer covering the wavelength range from 250 nm to 950 nm.

• Instrument - Magnetic/Motion Sensors

  

  Instrument - Magnetic/Motion Sensors

  EGG

  The main objective of GOCE's EGG was to measure the three components of the Gravity-Gradient Tensor.

• 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.

• Instrument - Imaging Radars, Scatterometers

  

  Instrument - Imaging Radars, Scatterometers

  SAR (ERS-2)

  The SAR instrument aboard ERS-2 was capable of high precision change detection of surface heights.