Commission 1 „Reference Frames“ SC1.1 Coordination of Space Technique(M. Rothacher) SC1.2 Global Reference Frames(C. Boucher) SC1.3 Regional Reference.

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Presentation transcript:

Commission 1 „Reference Frames“ SC1.1 Coordination of Space Technique(M. Rothacher) SC1.2 Global Reference Frames(C. Boucher) SC1.3 Regional Reference Frames(Z. Altamimi) SC1.4 Interaction of CRF and TRF(S.Y. Zhu) ICP1.1 Satellite Altimetry(W. Bosch) (jointly with Commissions 1 and 3) ICP1.2 Vertical Reference Frames(J. Ihde) (jointly with Commission 2) SG1.1 Ionosphere Modelling(S. Skone) * (jointly with Comm. 4 and COSPAR) SG1.2 Use of GNSS for Reference Frames(R. Weber) (jointly with Comm. 4) SG1.3 Quality measures, quality control(H. Kutterer) (with ICCT)

Steering Committee (11 members) H. DrewesGermanyPresident C.K. ShumUSAVice President M. RothacherGermanyPresident Sub-commission 1.1 C. BoucherFrancePresident Sub-commission 1.2 Z. AltamimiFrancePresident Sub-commission 1.3 S.Y. ZhuGermanyPresident Sub-commission 1.4 W. GurtnerSwitzerlandRepresentative of Services C. MaUSARepresentative of Services J. RiesUSARepresentative of Services J. ManningAustraliaMember at large R. WonnacottSouth AfricaMember at large

Meetings 07 July 2003:Informal MeetingSapporo, Japan present: 12 officers, 6 of Steering Committee (President, Vice-President, Presidents 1, 2, 3, 4; Chairs ICP 1, 2; Chairs SC1.3a, b, e, f) 28 April 2004:Steering Committee Meeting,Nice, France present: 12 officers, 8 of Steering Committee (President, Presidents SC 1, 2, 3; Services (2), members at large (2); Chairs ICP 1; Chairs SC1.3b, d, e, f, Chair SG 2) July 04:COSPAR General Assembly with PSD/B2.1 Symposium on Satellite Dynamics, Paris

Status Report SC1.1Coordination of Space Techniques WG 1Comparison and combination of precise orbits from different space geodetic techniques (with the IGS LEO WG; Chair: H. Boomkamp?) WG 2Interaction and consistency between terrestrial reference frame, Earth rotation, and gravity (with Comm. 2, Comm. 3, and IGGOS; Chair: D. Angermann?) WG3Comparison and combination of atmospheric information derived from different space geodetic techniques (together with IGS Troposphere WG, IGS Ionosphere WG, and IVS; Chair: J. Böhm?)

Status Report (2) SC 1.2Global Reference Frames WG 1:Datum Definition of Global Terrestrial Reference Frames (with IERS and ICCT; Chair: G. Blewitt) WG 2:Global Geodetic Observatories (with IGGOS, Chair: tbd) WG 3:Integrated Theory for Crustal Deformation and Reference Frames (with Comm. 3 and ICCT; Chair: K. Heki) WG 4:ITRS/ITRF Propagation to National and Inter- national Organizations (Chair: C. Boucher) WG 5: Site Surveys and Co-locations (with IERS; Chair: J. Dawson)

Status Report (3) SC 1.3Regional Reference Frames WG1:Inter-regional Technical Working Group (Chair: M. Craymer) SC1.3a Europe (J.A. Torres, Portugal) SC1.3b South & Central America(L.P. Fortes, Brazil) SC1.3c North America(M.Craymer, Can., R.Snay, USA) SC1.3d Africa(R. Wonnacott, S. Africa) SC1.3e Asia-Pacific(J. Manning, Australia) SC1.3f Antarctica(R. Dietrich, Germany) Focus: Africa (AFREF) and Asia

Status Report (4) SC 1.4Interaction of Celestial and Terrestrial Reference Frames WG1: Theoretical Aspects of the Celestial Reference System (Chair: N.N., Observatoire de Paris) WG2: Realization of Celestial Reference Frames (Chair: N.N., USNO) WG3: Systematic Effects in the CRF Determination (Chair: Chopo Ma) WG4: Interaction Between Celestial and Terrestrial Reference F. (Chair: N.N., DGFI)

Status Report (5) ICP1.1Satellite Altimetry - Open Data Base: data access, data formats,... ICP1.2Vertical Reference Frames (Jointly with Commission 2 - Unified Global Height System: W 0, realization,... SG1.1Ionosphere Modelling and Analysis - 4-D ionosphere model: electron density (not TEC),... SG1.2Use of GNSS for Reference Frames - Impact of GALILEO for TRF ?... SG1.3Quality measures, quality control, and quality improvement - More realistic error estimates of geodetic space techniques

Publications Publications of Sub-commissions, Projects and Study Groups in several scientific meetings, e.g., EUG Assembly, Nice Bulletin of Commission 1 (former CSTG Bulletin) to be continued (decision of the Steering Committee, Nice, 28 April 2004)