1. Design considerations for a dedicated gravity recovery satellite mission consisting of two pairs of satellites

   • D. N. Wiese
   • R. S. Nerem
   • F. G. Lemoine

   Original Article 24 June 2011 Pages: 81 - 98

2. Error calibration of geopotential harmonics in recent and past gravitational fields

   • Carl A. Wagner
   • David C. McAdoo

   Original Article 12 July 2011 Pages: 99 - 108

3. Assessing consistency of Chang’E-1 and SELENE reference frames using nearly-colocated laser altimetry footprint positions

   • H. Bâki Iz
   • Y. Q. Chen
   • M. Berber

   Original Article 24 June 2011 Pages: 109 - 117

4. Erratum to: Assessing consistency of Chang’E-1 and SELENE reference frames using nearly-colocated laser altimetry footprint positions

   • H. Bâki Iz
   • Y. Q. Chen
   • M. Berber

   Erratum 27 August 2011 Pages: 119 - 121

5. Fast integer least-squares estimation for GNSS high-dimensional ambiguity resolution using lattice theory

   • S. Jazaeri
   • A. R. Amiri-Simkooei
   • M. A. Sharifi

   Original Article 30 July 2011 Pages: 123 - 136

6. Erratum to: Fast integer least-squares estimation for GNSS high-dimensional ambiguity resolution using lattice theory

   • S. Jazaeri
   • A. R. Amiri-Simkooei
   • M. A. Sharifi

   Erratum 13 October 2011 Pages: 137 - 137

7. Carrier-phase inter-frequency biases of GLONASS receivers

   • Lambert Wanninger

   Original Article Open access 02 August 2011 Pages: 139 - 148

8. Ray-traced slant factors for mitigating the tropospheric delay at the observation level

   • Landon Urquhart
   • Felipe G. Nievinski
   • Marcelo C. Santos

   Original Article 04 September 2011 Pages: 149 - 160

9. IAG Newsletter

   • Gyula Tóth

   IAG Newsletter 10 January 2012 Pages: 161 - 163