Full Name GRACE instrument Status No longer 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 equivalent water
Waveband Summary Microwave: 24 GHz and 32 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Gravity, Magnetic and Geodynamic measurementsGravity field
Magnetic field (vector)
Magnetic field (scalar)
Ocean topography/currentsOcean dynamic topography
Soil moistureSoil moisture at the surface
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Sea Level click here click here search ECV Inventory records
Soil Moisture click here click here search ECV Inventory records
Instrument Missions
GRACE - Gravity Recovery and Climate Experiment (2002 - 2017)
GRACE-II - Gravity Recovery and Climate Experiment II (2030 - 2033)