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International Earth Rotation and Reference Systems Service

Third GGOS Unified Analysis Workshop

ETH Centre main building, Zuerich, Switzerland, 16 - 17 September 2011

Programme

Friday - September 16

08:30 - 09:00 hRegistration
09:00 - 09:15 hWelcome and Introduction to the UAW 2011
Download: UAW 2011 - Introduction (PDF, 852KB, Not barrier-free file.)

Session 1: Products by the Services, Filling the GGOS Portal

chaired by Richter B., Noll C.

Goals:

  • Approach to fill the GGOS Portal with service products: methods and metadata
  • Imbedding of GGOS portal into international programs like GEOSS Data-Core

09:15 - 10:00 h

Session 1 Position Paper and Presentations
Position paper / introduction
Richter B., Noll C.
Download: Filling the GGOS Portal (PDF, 147KB, Not barrier-free file.)
IDS, products and service status
Soudarin L.
Download: IDS, products and service status (PDF, 1MB, Not barrier-free file.)
ILRS products, standards, modeling
Pavlis E.
Download: ILRS products, standards, modeling (PDF, 1MB, Not barrier-free file.)
ILRS data QC, data flow, ...
Müller H.
Download: ILRS data QC, data flow, … (PDF, 413KB, Not barrier-free file.)
10:00 - 10:30 hDiscussion
Session 2: Modeling Based on External Data (Atmosphere, Ocean, ...), Modeling Deficiencies and Standards
chaired by van Dam T., Böhm J., Angermann D.

Goals:

  • Data from atmosphere, hydrology, ocean, ...
  • Biases of individual techniques, systematic effects
  • Standards and conventions

10:30 - 10:45 h

Session 2 Position Paper and Presentations
Position paper / introduction
van Dam T., Böhm J., Angermann D.
Download: Session 2 - Position Paper (PDF, 343KB, Not barrier-free file.)
10:45 - 11:15 hCoffee Break
11:15 - 12:45 hSession 2 Presentations (cont.)
VLBI atmospheric loading comparison: observation level versus daily; reference pressure for atmospheric loading
Böhm J.
Download: VLBI atmospheric loading comparison (PDF, 2MB, Not barrier-free file.)
Reference pressure used for pressure loading computation
MacMillan D.
Download: Reference pressure used for pressure loading computation (PDF, 534KB, Not barrier-free file.)
Atmospheric pressure loading
Dach R.
Download: Atmospheric pressure loading (PDF, 1MB, Not barrier-free file.)
Hydrological loading
MacMillan D.
Download: Hydrological loading (PDF, 304KB, Not barrier-free file.)
Update on ray-traced delays
Böhm J.
Download: Update on ray-traced delays (PDF, 685KB, Not barrier-free file.)
Correcting met data in VLBI data analysis
MacMillan D.
Download: Correcting met data in VLBI data analysis (PDF, 647KB, Not barrier-free file.)
Vertical deformations from homogeneously processed GRACE and global GPS long-term series
Steigenberger P.
Download: deformations from homogeneously processed GRACE and global GPS long-term series (PDF, 619KB, Not barrier-free file.)
Geophysical fluids modeling
König R.
Download: Geophysical fluids modeling (PDF, 241KB, Not barrier-free file.)
12:45 - 13:45 hLunch
13:45 - 14:25 hSession 2 Presentations (continued)
GGOS Bureau on Standards
Angermann D.
Download: GGOS Bureau on Standards (PDF, 325KB, Not barrier-free file.)
SLR Systematics
Luceri C.
Download: SLR Systematics (PDF, 460KB, Not barrier-free file.)
VLBI telescopes and gravitation effects
Nothnagel A.
Download: VLBI telescopes and gravitation effects (PDF, 999KB, Not barrier-free file.)
Impact of orbit modeling deficiencies
Hugentobler U., Rodríguez C.
Download: Impact of orbit modeling deficiencies (PDF, 669KB, Not barrier-free file.)
14:25 - 15:35 hDiscussion
Session 3: ITRF 20xx and Other Combined Products
chaired by Altamimi Z., Seitz M., Biancale R.

Goals:

  • SINEX issues: development of SINEX for more complex combination strategies
  • ITRF20xx: modeling and parameterization for the next ITRF solution
  • Combination strategies: observation level, weighting, ...
  • Other combined products
15:35 - 16:00 hSession 3 Position Paper and Presentations
Position paper / introduction
Altamimi Z., Seitz M., Biancale R.
Download: Session 3 - Introduction (PDF, 223KB, Not barrier-free file.)
SINEX
Thaller D.
Download: SINEX (PDF, 32KB, Not barrier-free file.)
16:00 - 16:30 hCoffee Break
16:30 - 17:10 hSession 3 Presentations (continued)
ITRF combination issues
Altamimi Z.
Download: ITRF combination issues (PDF, 145KB, Not barrier-free file.)
Recent validation of the ITRF
Wu X.
Download: Recent validation of the ITRF (PDF, 675KB, Not barrier-free file.)
Seasonal geocenter motion from space geodesy and models
Ries J.
Download: Seasonal geocenter motion from space geodesy and models (PDF, 1MB, Not barrier-free file.)
Consistent modeling/estimation of Earth rotation, gravity, and geometry
Gross R.
Download: Consistent modeling/estimation of Earth rotation, gravity and geometry (PDF, 3MB, Not barrier-free file.)
17:10 - 18:00 hDiscussion

Saturday - September 17

Session 3: ITRF 20xx and Other Combined Products (continued)

09:00 - 10:00 h

Session 3 Presentations (continued)
Simultaneous Adjustment of TRF and CRF
Seitz M.
Download: Simultaneous Adjustment of TRF and CRF (PDF, 2MB, Not barrier-free file.)
LLR contribution to long-term EOP variations and celestial reference frames
Müller J.
Download: LLR contribution to long-term EOP variations and celestial reference frames (PDF, 1MB, Not barrier-free file.)
ILRS combination products
Sciarretta C.
Download: ILRS combination products (PDF, 699KB, Not barrier-free file.)
Status, results, challenges of the Combination on the Observation Level (COL)
Biancale R.
Download: Status, results, challenges of the Combination on the Observation Level (PDF, 648KB, Not barrier-free file.)
10:00 - 10:30 hDiscussion
10:30 - 11:00 hCoffee Break
Session 4: Co-location on Ground and in Space, GGOS Core Sites
chaired by Schuh H., Pearlman M., Pavlis E.

Goals:

  • Co-location on ground: new technologies, twin telescopes, GNSS antenna arrays
  • Co-location on satellites: problems with existing co-location, new satellite missions (GRASP), co-location on GNSS
  • Discrepancies in local ties
  • GGOS core sites
  • Twin telescopes, kHz laser, multi-freq. GNSS
11:00 - 12:05 hSession 4 Position Paper and Presentations
Position paper / introduction
Schuh H., Pearlman M., Pavlis E.
Download: Session 4 - Introduction (PDF, 2MB, Not barrier-free file.)
GRASP mission status and insights
Bar-Sever Y.
Download: GRASP mission status and insights (PDF, 2MB, Not barrier-free file.)
The next generation timing system at the Geodetic Observatory Wettzell (goals and prospects)
Schreiber U.
Download: The next generation timing system at the Geodetic Observatory Wettzell (goals and prospects) (PDF, 850KB, Not barrier-free file.)
VLBI for Space Applications
Schuh H., Plank L., Schönberger C., Böhm J.
Download: VLBI for Space Applications (PDF, 640KB, Not barrier-free file.)
GNSS/SLR combination with co-location on satellites
Thaller D.
Download: GNSS/SLR combination with co-location on satellites (PDF, 2MB, Not barrier-free file.)
12:05 - 12:45 hDiscussion
12:45 - 13:45 hLunch
13:45 - 14:30 hSession 4 Presentations (cont.)
SLR target signature model improvements, SLR and co-locations with gravity measurements
Appleby G.
Download: SLR target signature model improvements, SLR and co-locations with gravity measurements (PDF, 491KB, Not barrier-free file.)
Observation of GLONASS satellites with VLBI
Haas R.
Download: Observation of GLONASS satellites with VLBI (PDF, 1MB, Not barrier-free file.)
NASA Space Geodesy Program at GGAO
Ma C.
Download: NASA Space Geodesy Program at GGAO (PDF, 1MB, Not barrier-free file.)
New options with twin telescopes in VLBI
Nothnagel A.
Download: New options with twin telescopes in VLBI (PDF, 2MB, Not barrier-free file.)
14:30 - 15:00 hDiscussion
15:00 - 15:30 hCoffee Break
Discussion, Wrap-up and Action Items
chaired by Rothacher M.
15:30 - 16:45 hDiscussion and UAW 2011 - Action Items (PDF, 50KB, Not barrier-free file.)