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Instrument image

The main objective of EGG is to measure the three components of the GGT (Gravity-Gradient Tensor). The EGG instrument, designed and developed at ONERA (Office National d'Etudes et de Recherches Aérospatiales) and manufactured at Thales Alenia Space, France, is based on an ambient temperature, closed loop, capacitive accelerometer concept.

Three-axis diagonal gradiometer, based on three pairs ofelectrostatic servo-controlled accelerometers.
Technical Characteristics
Spatial Resolution:
Resolution of accelerometer measurements is < 2.0 x 10-12 m s-2Hz-1/2
Swath Width:
Earth Topics
Solid Earth ( Geoid )
Related Instruments
Available Resources Type Access
GOCE's Measurements of the Gravity Field and Beyond ESA Bulletin download
Minimize Latest Mission Operations News

GOCE EGG L1b reprocessing algorithm description available

16 April 2019

The description of the algorithms used for the reprocessing of the GOCE EGG L1b data is now published and available for download.