1. 2006-03-14 Chalmers / Radio and Space / Space Geodesy 1 CHALMERS Institute’s report 2004-2005 Space Geodesy group Department for Radio and Space Science

2. 2006-03-14Chalmers / Radio and Space / Space Geodesy2 Content VLBI / CONT02: Sub-diurnal Earth rotation variations VLBI / CONT02: Sub-diurnal Earth rotation variations VLBI / CONT02: Atmospheric Gradients VLBI / CONT02: Atmospheric Gradients VLBI: Modeling of thermal deformation of radio telescopes VLBI: Modeling of thermal deformation of radio telescopes VLBI CONT05 campaign VLBI CONT05 campaign Analysis of European geodetic VLBI data Analysis of European geodetic VLBI data BIFROST / Crustal motion in Fennoscandia BIFROST / Crustal motion in Fennoscandia Ocean tide and Air pressure loading Ocean tide and Air pressure loading Contribution to the IVS TROP Project Contribution to the IVS TROP Project GPS estimation errors: spatial and temporal correlation structure GPS estimation errors: spatial and temporal correlation structure GPS meteorology in the tropical climate GPS meteorology in the tropical climate Ground-based GPS data applied to weather forecasting (COST 716) Ground-based GPS data applied to weather forecasting (COST 716) Ground-based GPS water vapor tomography Ground-based GPS water vapor tomography GPS System Research GPS System Research

3. 2006-03-14Chalmers / Radio and Space / Space Geodesy3 Sub-diurnal Earth rotation variations VLBI CONT02: Analyse residual PM/UT1 with respect to Ray et al. (1994) IERS model. In subdiurnal band ~ 50% (20%) of total signal. Use Wavelets. Find spectral power near S 3, probably atmospheric origin. Results in Haas et al. (2004)

4. 2006-03-14Chalmers / Radio and Space / Space Geodesy4 Atmospheric Loading Predicted effects and regression coefficients with respect to loacal pressure time series Application: SLR Report: Bock, Noomen and Scherneck, 2005

5. 2006-03-14Chalmers / Radio and Space / Space Geodesy5 Ocean Tide Loading The automatic loading provider http://www.oso.chalmers.se/~loading http://www.oso.chalmers.se/~loading News: Using additionally 2 recent ocean tide models TPXO 7.0 (Oregon State University) FES2004 (CNES Toulouse, Letellier 2005) Remember: 11 coefficients M2 S2 N2 K2 K1 O1 P1 Q1 Mf Mm Ssa 3+1 components (R, E, N, g)

6. 2006-03-14Chalmers / Radio and Space / Space Geodesy6 Let: New solution - Right: New solution minus model

7. 2006-03-14Chalmers / Radio and Space / Space Geodesy7 submitted to J. Geodesy:

8. 2006-03-14Chalmers / Radio and Space / Space Geodesy8 COST 716 Map: GPS stations in Europe contributing near-real time = Processed at NKG-S/Onsala Sweden: colaboration with SMHI and National Land Survey Final report published (Elgered et al., 2005) This year transferring processing to SMHI

9. 2006-03-14Chalmers / Radio and Space / Space Geodesy9 GPS estimation errors: TOUGH TOUGH-Project (Targeting Optimal Use of GPS Humidity Measurements in Meteorology) is supported by the 5th Framework Programme of the European Commission. TOUGH-Project (Targeting Optimal Use of GPS Humidity Measurements in Meteorology) is supported by the 5th Framework Programme of the European Commission. GPS estimation errors: spatial and temporal correlation structure GPS estimation errors: spatial and temporal correlation structure http://dmiweb.dmi.dk/pub/tough/deliverables/d19-report.pdf (Stoew and Elgered) http://dmiweb.dmi.dk/pub/tough/deliverables/d19-report.pdf (Stoew and Elgered) http://dmiweb.dmi.dk/pub/tough/deliverables/d19-report.pdf Temporal correlation GPS-WVR

10. 2006-03-14Chalmers / Radio and Space / Space Geodesy10 Troposphere tomography 9:00 UT13:00 UT Simulation GPS / GPS+GALILIEO

11. 2006-03-14Chalmers / Radio and Space / Space Geodesy11 Publications 2005 Askne, J., G. Elgered, B. Galle, D. Murtagh, G. Smith-Jonforsen, and L.M.H. Ulander Remote sensing at the department of Radio and Space Science, Chalmers University of Technology, IEEE Geosci. Rem. Sens. Soc. Newsletter, pp.11-18, September 2005. Askne, J., G. Elgered, B. Galle, D. Murtagh, G. Smith-Jonforsen, and L.M.H. Ulander Remote sensing at the department of Radio and Space Science, Chalmers University of Technology, IEEE Geosci. Rem. Sens. Soc. Newsletter, pp.11-18, September 2005. Bergstrand, S., H.-G. Scherneck, G.A. Milne, J.M. Johansson Upper mantle viscosity from continuous GPS baselines in Fennoscandia, J. Geodynamics, 39, 91-109, 2005. Bergstrand, S., H.-G. Scherneck, G.A. Milne, J.M. Johansson Upper mantle viscosity from continuous GPS baselines in Fennoscandia, J. Geodynamics, 39, 91-109, 2005. Bergstrand, S., R. Emardson, P.O. Jarlemark and J.M. Johansson Ionospheric Corrections for Accurate Positioning in Real Time, in Proc. Radio Science and Communication (RVK) eds. O. Gustafsson and P. Löwenborg, pp. 391--394. Linköping, Sweden, June 14-16, 2005. Bergstrand, S., R. Emardson, P.O. Jarlemark and J.M. Johansson Ionospheric Corrections for Accurate Positioning in Real Time, in Proc. Radio Science and Communication (RVK) eds. O. Gustafsson and P. Löwenborg, pp. 391--394. Linköping, Sweden, June 14-16, 2005. Bergstrand, S., H.-G. Scherneck, M. Lidberg and J.M. Johansson BIFROST: A Comparison of Noise Properties in Various GPS Solutions, submitted to J. of Geodesy / IAG/IAPSO/IABO Joint Assembly Proceedings, Cairns 2005. Bergstrand, S., H.-G. Scherneck, M. Lidberg and J.M. Johansson BIFROST: A Comparison of Noise Properties in Various GPS Solutions, submitted to J. of Geodesy / IAG/IAPSO/IABO Joint Assembly Proceedings, Cairns 2005.

12. 2006-03-14Chalmers / Radio and Space / Space Geodesy12 Bock, D., R. Noomen, H.-G. Scherneck Atmospheric pressure loading displacement of SLR stations J. Geodynamics, 39, 247-266, 2005. Bock, D., R. Noomen, H.-G. Scherneck Atmospheric pressure loading displacement of SLR stations J. Geodynamics, 39, 247-266, 2005. Elgered, G., H.-P. Plag, H. van der Marel, S. Barlag, and J. Nash (eds.) COST 716: Exploitation of Ground-Based GPS for Climate and Numerical Weather Prediction Applications, Final Report, European Community, EUR 21639, 2005. Elgered, G., H.-P. Plag, H. van der Marel, S. Barlag, and J. Nash (eds.) COST 716: Exploitation of Ground-Based GPS for Climate and Numerical Weather Prediction Applications, Final Report, European Community, EUR 21639, 2005. Granström, C., and J.M. Johansson The influence of vegetation and multipath on GNSS signals, in Proc. Radio Science and Communication (RVK), Linköping, Sweden, June 14--16, 2005, eds. O. Gustafsson and P. Löwenborg, pp. 385-390, 2005. Granström, C., and J.M. Johansson The influence of vegetation and multipath on GNSS signals, in Proc. Radio Science and Communication (RVK), Linköping, Sweden, June 14--16, 2005, eds. O. Gustafsson and P. Löwenborg, pp. 385-390, 2005.

13. 2006-03-14Chalmers / Radio and Space / Space Geodesy13 Haas, R., Wünsch, J. Sub-diurnal Earth rotation variations from the VLBI CONT02 campaign. J. of Geodynamics, in press, 2005. Haas, R., Wünsch, J. Sub-diurnal Earth rotation variations from the VLBI CONT02 campaign. J. of Geodynamics, in press, 2005. Haas, R., and G. Elgered The IVS Network Station Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 93-96, 2005. Haas, R., and G. Elgered The IVS Network Station Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 93-96, 2005. The IVS Network Station Onsala Space Observatory The IVS Network Station Onsala Space Observatory Haas, R., Granström, C., Johansson, J. An Investigation of Water Vapor Trends in Europe. In: Proc. of the 17'th Working Meeting on European VLBI for Geodesy and Astrometry, 91-96, 2005. Haas, R., Granström, C., Johansson, J. An Investigation of Water Vapor Trends in Europe. In: Proc. of the 17'th Working Meeting on European VLBI for Geodesy and Astrometry, 91-96, 2005. Haas, R., and H.-G. Scherneck The IVS Analysis Center at the Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 239-242, 2005. Haas, R., and H.-G. Scherneck The IVS Analysis Center at the Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 239-242, 2005. The IVS Analysis Center at the Onsala Space Observatory The IVS Analysis Center at the Onsala Space Observatory Nilsson, T., and G. Elgered The IVS Technology Development Center at the Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 276-279, 2005. Nilsson, T., and G. Elgered The IVS Technology Development Center at the Onsala Space Observatory in: International VLBI Service for Geodesy and Astrometry 2004 Annual Report, NASA/TP-2005-212772, eds. D. Behrend and K. D. Baver, pp. 276-279, 2005. The IVS Technology Development Center at the Onsala Space Observatory The IVS Technology Development Center at the Onsala Space Observatory

14. 2006-03-14Chalmers / Radio and Space / Space Geodesy14 Nilsson, T., L. Gradinarsky and G. Elgered Correlations between slant wet delays measured by microwave radiometry", IEEE Trans. Geosci. Rem. Sens., GE-43(5), 1028-1035, 2005. Nilsson, T., L. Gradinarsky and G. Elgered Correlations between slant wet delays measured by microwave radiometry", IEEE Trans. Geosci. Rem. Sens., GE-43(5), 1028-1035, 2005. Nilsson, T., Assessment of Tomographic Methods for Estimation of Atmospheric Water Vapor Using Ground-Based GPS, Technical Report No. 6L, Licentiate Thesis, Department of Radio and Space Science, Chalmers University of Technology, Göteborg, 2005. Nilsson, T., Assessment of Tomographic Methods for Estimation of Atmospheric Water Vapor Using Ground-Based GPS, Technical Report No. 6L, Licentiate Thesis, Department of Radio and Space Science, Chalmers University of Technology, Göteborg, 2005. Nilsson, T., L. Gradinarsky, and G. Elgered Estimating the 3D Structure of the Atmospheric Water Vapor using GPS Phase Observations, in Proc. Radio Science and Communication (RVK), Eds. O. Gustafsson and P. Löwenborg, pp. ?--?. Linköping, Sweden, June 14-16, 2005. Nilsson, T., L. Gradinarsky, and G. Elgered Estimating the 3D Structure of the Atmospheric Water Vapor using GPS Phase Observations, in Proc. Radio Science and Communication (RVK), Eds. O. Gustafsson and P. Löwenborg, pp. ?--?. Linköping, Sweden, June 14-16, 2005. Nothnagel, A., Cho, J., Roy, A., Haas, R. WVR calibrations applied to European VLBI observing sessions. submitted to Journal of Geodesy / IAG/IAPSO/IABO Joint Assembly Proceedings, Cairns 2005. Nothnagel, A., Cho, J., Roy, A., Haas, R. WVR calibrations applied to European VLBI observing sessions. submitted to Journal of Geodesy / IAG/IAPSO/IABO Joint Assembly Proceedings, Cairns 2005.

15. 2006-03-14Chalmers / Radio and Space / Space Geodesy15 Schuh, H., Boehm, J., Engelhardt, G., MacMillan, D., Lanotte, R., Tomasi, P., Negusini, M., Vereshchaguina, I., Gubanov, V., Haas, R. Determination of tropospheric parameters within the new IVS Pilot Project. In: F. Sansò (ed.) A Window on the Future of Geodesy, International Association of Geodesy Symposia, Vol. 128, 125-130, Springer Verlag, 2005. Schuh, H., Boehm, J., Engelhardt, G., MacMillan, D., Lanotte, R., Tomasi, P., Negusini, M., Vereshchaguina, I., Gubanov, V., Haas, R. Determination of tropospheric parameters within the new IVS Pilot Project. In: F. Sansò (ed.) A Window on the Future of Geodesy, International Association of Geodesy Symposia, Vol. 128, 125-130, Springer Verlag, 2005. Snajdrova, K., Boehm, J., Willis, P., Haas, R., Schuh, H. Multi-technique comparison of tropospheric zenith delays derived during the CONT02 campaign. J. of Geodesy, in press, 2005. Snajdrova, K., Boehm, J., Willis, P., Haas, R., Schuh, H. Multi-technique comparison of tropospheric zenith delays derived during the CONT02 campaign. J. of Geodesy, in press, 2005. Stoew, B., T. Nilsson, P. Jarlemark, and G. Elgered Temporal correlations of atmospheric mapping function errors in GPS data analysis, submitted to J. of Geodesy, 2005. Wresnik, J., Haas, R., Boehm, J., Schuh, H. Thermal deformation of VLBI antennas. In: Proc. of the 17'th Working Meeting on European VLBI for Geodesy and Astrometry, 45-51, 2005. Stoew, B., T. Nilsson, P. Jarlemark, and G. Elgered Temporal correlations of atmospheric mapping function errors in GPS data analysis, submitted to J. of Geodesy, 2005. Wresnik, J., Haas, R., Boehm, J., Schuh, H. Thermal deformation of VLBI antennas. In: Proc. of the 17'th Working Meeting on European VLBI for Geodesy and Astrometry, 45-51, 2005.