Objectives:

  • After completing this lesson, the student will be able to explain the purpose, function and application of the Thermal, Communications, and Command and Data Handling subsystems.

  • Explain the causes of temperature variations of a satellite in orbit

  • Describe how temperature is monitored and controlled in specific locations of a spacecraft

  • Explain the functions of each major component of a C&DH subsystem

  • Describe how satellite telemetry data and sate of health information is collected

  • Explain the primary components and operational role of the Communication subsystem

  • Describe the operational role of uplink and downlink communications to a satellite

  • Discuss the concepts of frequency band and data rate as it applies to RF communications