THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - GRACE instrument -
Full Name GRACE instrument Status Operational
Instrument Agencies NASA, ESA, DLR, GFZ Maturity High Heritage - Operational
Instrument Type Gravity instruments Geometry TBD
Instrument Technology Satellite-to-satellite ranging system Sampling Other
Data Access Open Access Data Format GeoTIFF, ASCII and netCDF
Measurements and Applications Includes BlackJack Global Positioning System (Turbo Rogue Space Receiver) and High Accuracy Inter-satellite Ranging System (aka K-band Ranging System) for Inter-satellite ranging system estimates for global models of the mean and time variable Earth gravity field.
Resolution Summary 400 km horizontal, N/A vertical
Swath Summary N/A
Accuracy Summary 1 cm equivilant water
Waveband Summary Microwave: 24 GHz and 32 GHz
MW (~1.0 cm - ~100 cm)
Instrument Measurements
CategoryParameterAccuracy
Gravity, Magnetic and Geodynamic measurementsGravity field 
Magnetic field (vector) 
Magnetic field (scalar) 
Ocean topography/currentsOcean dynamic topography 
Soil moistureSoil moisture at the surface 
Instrument Missions
GRACE - Gravity Recovery and Climate Experiment (2002 - 2017)
GRACE-FO - Gravity Recovery and Climate Experiment - Follow-on (2017 - 2022)
GRACE-II - Gravity Recovery and Climate Experiment (2030 - 2033)
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