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ILRS Working Group Report, General Assembly Meeting, Oct. 16, 2008

Review of projects, products, and future initiatives discussed at the ILRS meeting in Poznań, Poland. Summary of ongoing and planned activities within the ILRS community.

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ILRS Working Group Report, General Assembly Meeting, Oct. 16, 2008

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  1. Analysis Working Group Report ILRS General Assembly Meeting Poznań, Poland, Oct. 16, 2008 Erricos C. Pavlis Analysis Coordinator

  2. AWG Projects • Eight AC: ASI (AC & CC), BKG, DGFI (AC & CC), GA, GFZ, GRGS, JCET, and NSGF • Candidate AC/AAC undergoing benchmarks: AIUB, ESOC and NCL • Operational products (weekly & daily) are delivered routinely on time • Re-analysis for 1993 to present: ASI v12 June 08 GA v11 August 08 GFZ v10 January 08 GRGS v11 June 08 • Historical data re-analysis 1983 to 1992: ASI v12 September 08 GFZ v10 September 08 • All ACs to complete submissions by end of 2008

  3. AWG New Projects • Pilot Projects currently in progress: • Orbit products (SP3C files) -- FIVE ACs in testing (ASI, BKG, DGFI, GA, JCET) • Daily solutions of 7-day arcs for 1d EOP for NEOS (FIVE ACs + DGFI soon!) • New Potential projects: • CRD data format submission station qualification process (ASI, GFZ, GRGS, JCET) • Testing the application of atmospheric effects in ILRS products • Generation of a “low degree ~2 harmonics” series (for CPP/GGOS) • 3-4 ACs to study the possibility of a new definition of NP generation procedure • Use of Starlette and Ajisai initially for EOP and eventually for TRF products with improved modeling (e.g. atmospheric effects) • Near real-time analysis of SLR data for “station health”/bias Rpts.

  4. AWG Meetings, Past/Future • The AWG met twice so far in 2008: • EGU 2008, Vienna, Austria • 16th International Laser Workshop, Poznań, Poland • Other meetings in 2008: • Not likely • Next meeting: EGU 2009, likely dates April (24), 25

  5. AWG Documentation • All ACs and CCs have submitted online documentation (required by IAG/IERS) describing the models and standards used in their routine analysis, some AACs (need to remind them often!) • A LR-dedicated special issue of the Journal of Geodesy to be compiled in the coming year for better and wider documentation of ILRS (ground segment, space segment, data analysis and interpretation)

  6. J of G Guest EB • J of Geodesy Editor contacted • Procedures and limitations imposed by JoG provided • ILRS Special Issue Editors: • Gurtner, Pavlis, Pearlman, Luceri • Delays due to lack of progress in the development of the new ILRS analysis and new SLR-only TRF • Realistic time-table for soliciting papers: Spring ‘09

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