The European Retrievable Carrier (Eureca) mission concept, based upon reusable platform supplying services to a variety of independently operated payloads is discussed. Eureca is characterized by several new on board features, most notably packet telemetry, and a partial implementation of packet telecommanding. As a consequence of the satellite's short contact times with its ground station (3 contacts during the mission in 5 to 8 minute passes), it also has essential built in autonomy features and on board recording of telemetry. The effect of these features on the ground control system are discussed. Special attention is given to: systems requirements, overall design of the ground control system and computer loading and sizing. The processing of packet telemetry is shown to have a significant effect on the computer loading and sizing. The effect of the greater on board autonomy is shown to require quite complex support functions for the operations staff, both for preparing the autonomous operations and then monitoring them a-postiori.
Ground Systems for Handling Packet Telemetry and Commands: A Case Study, the Eureca Mission
1990
5 pages
Report
Keine Angabe
Englisch
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