1. Robust estimation by expectation maximization algorithm

   • Karl Rudolf Koch

   Original Article 12 July 2012 Pages: 107 - 116

2. Continental mass change from GRACE over 2002–2011 and its impact on sea level

   • O. Baur
   • M. Kuhn
   • W. E. Featherstone

   Original Article 14 July 2012 Pages: 117 - 125

3. An improved sampling rule for mapping geopotential functions of a planet from a near polar orbit

   • Matthias Weigelt
   • Nico Sneeuw
   • Pieter N. A. M. Visser

   Original Article 21 August 2012 Pages: 127 - 142

   

4. Nonlinear diffusion filtering of data on the Earth’s surface

   • Róbert Čunderlík
   • Karol Mikula
   • Martin Tunega

   Original Article 07 September 2012 Pages: 143 - 160

   

5. Single-receiver single-channel multi-frequency GNSS integrity: outliers, slips, and ionospheric disturbances

   • P. J. G. Teunissen
   • P. F. de Bakker

   Original Article Open access 01 September 2012 Pages: 161 - 177

   

6. Mitigating the impact of ionospheric cycle slips in GNSS observations

   • Simon Banville
   • Richard B. Langley

   Review 04 November 2012 Pages: 179 - 193

   

7. Erratum to: The Geodesist’s Handbook 2012

   • Hermann Drewes

   Erratum 27 December 2012 Pages: 195 - 197

   

8. IAG Newsletter

   • Gyula Tóth

   IAG-Newsletter 18 January 2013 Pages: 199 - 202