1976 NASA SPS Engineering and Economic Analysis Summary

To that end, a control model will include the following elements: • SPS Orbit Control (Ground-Based) — Coordinate Systems and Time References — SPS Tracking — Data Processing — Computation — Optimum Correction Maneuvers — Commands and Communications • SPS Performance Control — Energy Collection Control SPS Originated Variations Maintenance Shutdown Variations Solar Annual Variations Solar Cycle Variations — Energy Reception Control Meteorologically Caused Variations Earth Precession and Nutation Caused Variations Maintenance Shutdown Variations — Performance Compensation Control Grid Power Shift Satellite Power Shift

RkJQdWJsaXNoZXIy MTU5NjU0Mg==