1. Geocenter variations derived from GPS tracking of the GRACE satellites

   • Zhigui Kang
   • Byron Tapley
   • Srinivas Bettadpur

   Original Article 24 February 2009 Pages: 895 - 901

2. Decorrelated GRACE time-variable gravity solutions by GFZ, and their validation using a hydrological model

   • J. Kusche
   • R. Schmidt
   • R. Rietbroek

   Original Article 08 March 2009 Pages: 903 - 913

3. Quantifying FES2004 S₂ tidal model from multiple space-geodesy techniques, GPS and GRACE, over North West Australia

   • Stavros A. Melachroinos
   • Jean-Michel Lemoine
   • Richard Biancale

   Original Article 07 March 2009 Pages: 915 - 923

4. Recursive algorithms for the computation of the potential harmonic coefficients of a constant density polyhedron

   • Dimitrios Tsoulis
   • Olivier Jamet
   • Nicolas Gonindard

   Original Article 10 March 2009 Pages: 925 - 942

5. Comparison of GMF/GPT with VMF1/ECMWF and implications for atmospheric loading

   • Peter Steigenberger
   • Johannes Boehm
   • Volker Tesmer

   Original Article 26 March 2009 Pages: 943 - 951

6. Improving the GNSS positioning stochastic model in the presence of ionospheric scintillation

   • M. Aquino
   • J. F. G. Monico
   • M. Andreotti

   Original Article 24 March 2009 Pages: 953 - 966

7. On the topographic bias in geoid determination by the external gravity field

   • Lars E. Sjöberg

   Original Article 24 March 2009 Pages: 967 - 972

8. Annual deformation signals from homogeneously reprocessed VLBI and GPS height time series

   • Volker Tesmer
   • Peter Steigenberger
   • Barbara Meisel

   Original Article 08 May 2009 Pages: 973 - 988

9. Efficient propagation of error covariance matrices of gravitational models: application to GRACE and GOCE

   • Georges Balmino

   Original Article 02 May 2009 Pages: 989 - 995

10. IAG Newsletter

    • Gyula Tóth

    IAG Newsletter 10 September 2009 Pages: 997 - 997