SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Simultaneous tracking of echo i satellite for geodetic purposes - celestial triangulation
Statistical analysis of satellite orbital variations from drag effects for geodetic purposes
Tesseral harmonics of gravitational field and geodetic datum shifts derived from Baker-Nunn camera observations of satellites
Passive geodetic satellite /PAGEOS/ canister assemblies
Ground-based photometry of Passive Geodetic Earth Orbiting Satellite /PAGEOS/
Standard earth geodetic coordinate system and Baker-Nunn camera station positions
Data analysis, operational procedures for tracking and communications, and positions of observation stations for National Geodetic Satellite program
Photographic and Doppler tracking of geodetic satellites to determine tesseral harmonics of earth gravitational fields
Extending computer programs for geometric analysis of geodetic satellite data
Data analysis of information related to National Geodetic Satellite Program
Geodetic satellite photography, tracking, orbit calculations, and related studies for 1967
Geos 1 observations and other geodetic satellite studies by Smithsonian Astrophysical Observatory
Earth radius and other geodetic parameters derived from optical satellite data
Geometric directions and dynamic method for determining site locations for first order worldwide geodetic triangulation network, noting Smithsonian Standard Earth
Data analysis in connection with geodetic satellite data
Geodetic Data Adjustment Program for reduction and error analysis of GEOS satellite data
Atmospheric refraction formulas computed and evaluated for use in geodetic satellite tracking
Short arc orbital constraints for adjustment of geodetic satellite data