Theory of a Gyrovertical Compass, Open PDF Document Details Document Type Technical Report Publication Date Jun 13, 1980 Accession Number ADA086535 Entities People A. Yu. Ishlinskiy Organizations National Air and Space Intelligence Center Tags Communities of Interest Air Platforms Sensors DTIC Thesaurus Topics Center Of Gravity Coordinate Systems Differential Equations Equations Foreign Technology Gravity Grids Gyroscopes High Latitudes Journal Bearings Latitude Linear Differential Equations Operating Systems Stationary Three Dimensional Trajectories Triangles