| Summary: | PANSAT is a small, spread-spectrum, communications satellite under design at the Naval Postgraduate School. It will support a store and forward bulletin board system for use by the amateur radio community. The flight software is responsible for the autonomous telemetry collection and hardware control operations of the satellite, communications and file transfer protocols allowing access to the bulletin board system, and command interpretation and response to ground control commands. in this thesis, the complete flight software architecture and module interfaces are specified using the Estelle Format Description Technique. The module bodies dealing with communications and file transfer protocols are specified in detail in Estelle. The current design goat for the remainder of the flight software modules are discussed. Appendices include the preliminary flight software specification itself, a data flow diagram interpretation of the specification, and a summary of the Estelle syntax used.
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