1. Methods of harmonic synthesis for global geopotential models and their first-, second- and third-order gradients

   • E. Fantino
   • S. Casotto

   Original Article 05 November 2008 Pages: 595 - 619

2. Gravitational gradients by tensor analysis with application to spherical coordinates

   • S. Casotto
   • E. Fantino

   Original Article 30 October 2008 Pages: 621 - 634

3. An improved empirical model for the effect of long-period ocean tides on polar motion

   • Richard S. Gross

   Original Article Open access 28 October 2008 Pages: 635 - 644

4. Singularity free formulations of the geodetic boundary value problem in gravity-space

   • Gerrit Austen
   • Wolfgang Keller

   Original Article 19 October 2008 Pages: 645 - 657

5. Preprocessing of gravity gradients at the GOCE high-level processing facility

   • Johannes Bouman
   • Sietse Rispens
   • Martin Veicherts

   Original Article Open access 30 October 2008 Pages: 659 - 678

6. S₂ tide aliasing in GRACE time-variable gravity solutions

   • J. L. Chen
   • C. R. Wilson
   • Ki-Weon Seo

   Original Article 06 November 2008 Pages: 679 - 687

7. The International GNSS Service in a changing landscape of Global Navigation Satellite Systems

   • John M. Dow
   • R. E. Neilan
   • C. Rizos

   Erratum 27 March 2009 Pages: 689 - 689

8. IAG Newsletter

   • Gyula Tóth

   IAG Newsletter 11 June 2009 Pages: 691 - 694