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GLAST Large Area Telescope: Section 5: LAT Operations Facility David Lung

The GLAST Large Area Telescope (LAT) Operations Facility (LOF) is crucial for housing LAT collaborators during the launch and initial operational phase. Located on the SLAC campus pre-launch and for the first year, with plans to transition to Stanford University afterwards, the LOF must support both technical and operational needs. Key requirements include workstations for telemetry processing, event message displays, and local data storage, ensuring efficient command file verification and system monitoring during operations.

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GLAST Large Area Telescope: Section 5: LAT Operations Facility David Lung

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  1. Gamma-ray Large Area Space Telescope GLAST Large Area Telescope: Section 5: LAT Operations Facility David Lung Stanford Linear Accelerator Center ISOC Subsystem Manager dlung@slac.stanford.edu

  2. LOF Layout (Initial Concept) • Secondary requirements • Ability to house LAT collaborators during launch and initial 60 days operations • Primary requirements • LOF team (approx. 8) • SOG/SAS (approx. 2 – rest of the team is in nearby office) • Visiting scientist • Storage area

  3. Potential Sites – SLAC Campus • Prior to launch and 1st year sky survey, the LOF is located on the SLAC campus • Possible facility sites are: Kavli Building Central Lab FSW Test Bed is located within the Central Lab

  4. Possible Sites – SU Campus • Sometime after the 2nd year, the LOF is to transition onto SU campus • Potential sites are: • Varian Building • Kavli Building

  5. Other Requirements • The LOF requirements are captured in LAT-SS-01783 • All workstations at the LOF are PC based (either Windows or Linux) • No requirements for real-time commanding operations, all real-time commanding is performed at the MOC • Command files are built off-line and verified by the test bed • Primary requirements for workstations are: • Display of housekeeping telemetry • Display event messages, including command files • Telemetry processing control • Alarms and notifications • Storage of daily and weekly trending reports • Local housekeeping telemetry storage • Up to 7 days on local workstations • Expect approximately 0.6 GB/day, 4.2 GB/week • With today’s technology of 300 GB disk in PC’s, that’s 71 weeks worth of housekeeping telemetry • Typical connections • Internet (LAN and/or WAN) • Phone/Fax • Video • Presentation in section 6 addresses the software and tools for LAT operations

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