Provisional Operation and Maintenance of the CTBT IMS Infrasound Network

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Provisional Operation and Maintenance of the CTBT
IMS Infrasound Network

• Thomas L. Hoffmann
• IMS Infrasound Section
• Comprehensive Nuclear-Test-Ban Treaty
  Organization
• Provisional Technical Secretariat
• Vienna International Centre
• P.O.Box 1200
• A-1400 Vienna - AUSTRIA
• Infrasound Workshop
• La Jolla, CA, 27-30 October 2003

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Station Installation Completed
What comes next?
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POST-INSTALLATION ACTIVITIES TERMINOLOGY
Station Installation
Testing Evaluation
Station Certification
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POST-INSTALLATION ACTIVITIES Common Work Tasks
for TE and PCA
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Testing Evaluation (TE) of Infrasound Stations
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Station-Specific Considerations

• State party interests (NDC or basic topology)
• OM setup (spares, experience, training)
• Geographical (remoteness, climate, safety,
  infrastructure)
• Configurations (RF, cable, equipment set, etc.)
• Entities (commercial, NDC, university, etc.)
• Data availability (97, 98, and 99.5 during
  TE)

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Work Tasks for Testing Evaluation
Applies also to PC-Phase
To IMS Ops
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Post-Installation Activities in Vienna
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Station Certification

• Certification Visit
• Thorough testing of station equipment
• Review of station documentation
• Equipment calibration

• Station Certification
• Data quality monitoring
• (Timely) data availability monitoring
• CTBTO certification meeting

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Infrasound Certification Program (Status 4Q
2003)
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Data Monitoring Trouble Shootingin Vienna
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New Developments Cristal

• Continuous monitoring tool
• Data availability monitoring
• Data quality monitoring
• Automate tedious monitoring tasks to better
  focus on real station problems

• The program is being tested in a pilot study
  until the end of 2003
• New modules are being developed for automated
  monitoring
• Implementation for full scale IMS station
  monitoring planned in 2004

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New Developments GUI based IRS
Graphical User Interface to IMS Reporting System
for Station Operators
All report types just one click away Easy to use
browser-based interface for SO Avoid formatting
errors with reporting templates Reduce work load
for manual input of reports in the IRS
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• Thanks - La Jolla