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The Core Flight System (cFS) Stored Commands (SC) application.
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Stored Command

NASA core Flight System Stored Command Application


The Stored Command application (SC) is a core Flight System (cFS) application that is a plug in to the Core Flight Executive (cFE) component of the cFS.

The cFS is a platform and project independent reusable software framework and set of reusable applications developed by NASA Goddard Space Flight Center. This framework is used as the basis for the flight software for satellite data systems and instruments, but can be used on other embedded systems. More information on the cFS can be found at

The SC application allows a system to be autonomously commanded 24 hours a day using sequences of commands that are loaded to SC. Each command has a time tag associated with it, permitting the command to be released for distribution at predetermined times. SC supports both Absolute Time tagged command Sequences (ATSs) as well as multiple Relative Time tagged command Sequences (RTSs).


This software is licensed under the NASA Open Source Agreement.

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