Geopotential Research Mission, science, engineering, and program summary
Thomas Keating, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986 - Artificial satellites - 170 pages
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A-l spacecraft accuracy Allan variance analysis angle anomaly field antennas areas averaging axis ball cavity computed control law core field degree determination DISCOS Doppler drag coefficient drag force dynamics Earth equation error estimated field model frequency fuel Geodesy geoid Geophysical Research Geopotential Research Mission global gravity and magnetic gravity anomaly gravity field GRAVSAT GRM data GRM spacecraft GSFC ionospheric Journal of Geophysical Laboratory Langel lateral surface lithosphere Magnetic Anomaly magnetic field magnetometer MAGSAT mantle convection mass matrix measurement mgal milligal nanoteslas NASA Nmax obtained oceanic onboard oscillator parameters phase noise potential range rate Report Research Mission GRM resolution Satellite Satellite-to-Satellite Tracking scalar magnetometer Science scientific sensor shown in Figure signal simulation spacecraft sparse matrix spherical harmonic star cameras studies subsystem Table tanks TDRSS tectonic thermal thermosphere thrusters TOPEX Tracking Data variations velocity wavelength