With a restructured software architecture for telemetry system control and data processing, the NASA/Deep Space Network (DSN) has substantially improved its ability to accommodate a wide variety of spacecraft in an era of 'better, faster, cheaper'. In the new architecture, the permanent software implements all capabilities needed by any system user, and text tables specify how these capabilities are to be used for each spacecraft. Most changes can now be made rapidly, outside of the traditional software development cycle. The system can be updated to support a new spacecraft through table changes rather than software changes, reducing the implementation, test, and delivery cycle for such a change from three months to three weeks. The mechanical separation of the text table files from the program software, with tables only loaded into memory when that mission is being supported, dramatically reduces the level of regression testing required. The format of each table is a different compromise between ease of human interpretation, efficiency of computer interpretation, and flexibility.


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    Title :

    Table-driven configuration and formatting of telemetry data in the Deep Space Network


    Contributors:


    Publication date :

    1994-11-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




    Table-Driven Configuration and Formatting of Telemetry Data in the Deep Space Network

    Manning, E. / Goddard Space Flight Center | British Library Conference Proceedings | 1994


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