1. Convex optimization under inequality constraints in rank-deficient systems

   • Lutz Roese-Koerner
   • Wolf-Dieter Schuh

   Original Article 24 January 2014 Pages: 415 - 426

   

2. An alternative method for non-negative estimation of variance components

   • Khosro Moghtased-Azar
   • Ramin Tehranchi
   • Ali Reza Amiri-Simkooei

   Original Article 21 January 2014 Pages: 427 - 439

   

3. A closed-form of Newton method for solving over-determined pseudo-distance equations

   • Shuqiang Xue
   • Yuanxi Yang
   • Yamin Dang

   Original Article 13 February 2014 Pages: 441 - 448

   

4. New VLBI2010 scheduling strategies and implications on the terrestrial reference frames

   • Jing Sun
   • Johannes Böhm
   • Harald Schuh

   Original Article Open access 12 February 2014 Pages: 449 - 461

   

5. Application of SWACI products as ionospheric correction for single-point positioning: a comparative study

   • David Minkwitz
   • Tatjana Gerzen
   • Norbert Jakowski

   Original Article 21 February 2014 Pages: 463 - 478

   

6. Generalized integer aperture estimation for partial GNSS ambiguity fixing

   • Andreas Brack
   • Christoph Günther

   Original Article 18 February 2014 Pages: 479 - 490

   

7. Earth orientation parameters estimated from VLBI during the CONT11 campaign

   • Tobias Nilsson
   • Robert Heinkelmann
   • Harald Schuh

   Original Article 21 February 2014 Pages: 491 - 502

   

8. Comparisons of atmospheric mass variations derived from ECMWF reanalysis and operational fields, over 2003–2011

   • E. Forootan
   • O. Didova
   • B. Elsaka

   Short Note 07 February 2014 Pages: 503 - 514

   

9. IAG Newsletter

   • Gyula Tóth

   IAG Newsletter 01 April 2014 Pages: 515 - 516