4.1 Satellite Subsystems4.2 Mechanical Structure4.3 Propulsion Subsystem4.4 Thermal Control Subsystem4.5 Power Supply Subsystem4.6 Attitude and Orbit Control4.7 Tracking, Telemetry and Command Subsystem4.8 Payload4.9 Antenna Subsystem4.10 Space Qualification and Equipment ReliabilityFurther ReadingGlossary