1. The US Gravimetric Geoid of 2009 (USGG2009): model development and evaluation

   • Y. M. Wang
   • J. Saleh
   • D. R. Roman

   Original Article 17 September 2011 Pages: 165 - 180

2. Impact of network geometry, observation schemes and telescope structure deformations on local ties: simulations applied to Sardinia Radio Telescope

   • Claudio Abbondanza
   • Pierguido Sarti

   Original Article 17 August 2011 Pages: 181 - 192

3. Orbit determination of the Lunar Reconnaissance Orbiter

   • Erwan Mazarico
   • D. D. Rowlands
   • M. T. Zuber

   Original Article 08 September 2011 Pages: 193 - 207

4. GPS snow depth meter with geometry-free linear combinations of carrier phases

   • Masaru Ozeki
   • Kosuke Heki

   Original Article 14 September 2011 Pages: 209 - 219

5. Methodology for the combination of sub-daily Earth rotation from GPS and VLBI observations

   • T. Artz
   • L. Bernhard
   • S. Tesmer

   Original Article 23 September 2011 Pages: 221 - 239

6. Erratum to: Mission design, operation and exploitation of the Gravity field and steady-state Ocean Circulation Explorer (GOCE) mission

   • Rune Floberghagen
   • Michael Fehringer
   • Andrea da Costa

   Erratum 08 February 2012 Pages: 241 - 241

7. IAG Newsletter

   • Gyula Tóth

   IAG Newsletter 12 February 2012 Pages: 243 - 247