OPS Forum SMA Validation PtI 15.08.2008
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OPS Forum SMA Validation PtI 15.08.2008

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This seminar will provide an overview of the new ESTRACK ground station at Santa Maria, Azores, and its first operational usage for the ATV launch in March. Santa Maria station was established to......

This seminar will provide an overview of the new ESTRACK ground station at Santa Maria, Azores, and its first operational usage for the ATV launch in March. Santa Maria station was established to support the Ariane 5 launch of ATV that took place in March this year.

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Transcript

  • 1. Santa Maria Groundstation Validation and Support to Ariane-5 ATV OPS-G Forum Gerhard Billig 15 July 2008
  • 2. Agenda
    • Groundstation Validation
    • Infrastructure
    • Operational Setup and Preparations
    • Launch Operations
    • Outlook
    • - Upgrade of Perth groundstation
    • - Support to other Launcher families
  • 3. Groundstation Validation - Internally Tested Subsystems -
    • Tracking Tests with Caltower / Satellites
    • Dedicated Autotrack Tests
    • Monitoring and Control
    • TM reception and processing
  • 4. Autotrack Validation
    • Angular velocity of launcher (as seen from the groundstation) was much higher than that of satellites
    • Autotrack (dual frequency) was mandatory and primary mode of tracking
    • Aircraft was chosen as carrier for transmitters
    • Trajectory was down-scaled to meet aircraft constraints:
      • Height:  1200m
      • Speed:  200km/h
    • Placement of antennas and power connection was difficult
  • 5. Track of Ariane-5 over SMA
    • 1st pass:
      • Min Slant Range:  180km at elevation 48°
    • 2nd pass:
      • Min Slant Range: 1100 km at elevation 10°
  • 6. Actual Flightpath
  • 7.  
  • 8. Antenna positioning in aircraft
  • 9. Equipment Installation
  • 10.  
  • 11. SMA Infrastructure Development: Original View
  • 12. Finalised Installation at SMA
  • 13.  
  • 14.  
  • 15. Inauguration
  • 16. Operations Preparations and Launch Support
  • 17. Requirements for Launch Support from SMA
    • Tracking:
    • Dual-frequency Autotrack
      • DO-Programtrack
    • TM Reception and Storage
    • TM Extraction and Forward to CSG
    • Event Detection and Forward
    • Voice Communications
  • 18. Ariane-5 ATV: Mission Overview
  • 19. Ariane-5 ATV Tracking Network - Drivers -
    • Mission Duration: 1.5 Orbits (0.5 orbits for GTO)
    • Long Cruise Phases complicate accurate orbit prediction (Ariane inertial platform sensors)
    • Inclusion of Radars at Europe resolved predication accuracy problems
    • ISS was used as tracking target to exercise network-wide tracking campaigns
  • 20. Santa Maria Groundstation: Schedule for Operations
    • March 2007: Meeting with CNES/CSG
    • May 2007: Operational Training with CNES
    • October 2007: Operations KoM with CNES at SMA
            • Start of Operational Preparations
    • November 2007: Stand-Alone Tests
    • January 2008: Operational Qualification with CNES
    • February 2008: Mission Readiness Tests (internal)
    • 9th March 2008: Launch of Ariane-5 ATV
  • 21.  
  • 22.  
  • 23.  
  • 24.  
  • 25.  
  • 26.  
  • 27. Outlook: Upgrade of Perth groundstation
  • 28. Outlook: Support to other Launcher Families
    • Vega SSO launch trajectory
    • Vega Maiden Launch
    • Soyuz