Richard Alena of NASA's Ames Research Center and Dan Dun-cavage of the Johnson Space Center have developed a laptop diagnostic tool for the International Space Station. The Databus Analysis Tool (DAT) monitors status and command message traffic between on-board control computers and major subsystems, including the stations solar arrays, docking ports and gyroscopes. The diagnostic tool is integrated into an off-the-shelf Pass 1000 system from SBS Technologies, which includes analysis software and a hardware interface in a PC card format.
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