1. Transformation between SLR/VLBI and WGS-84 reference frames

   • P. A. M. Abusali
   • B. E. Schutz
   • Michael Bevis

   OriginalPaper Pages: 61 - 72

2. A calibration system for superconducting gravimeters

   • Vladimiro Achilli
   • Paolo Baldi
   • Giuseppe Raguní

   OriginalPaper Pages: 73 - 80

3. Real-time adaptation for model errors in dynamic systems

   • Martin Salzmann

   OriginalPaper Pages: 81 - 91

4. A new, high-resolution geoid for Canada and part of the U.S. by the 1D-FFT method

   • Michael G. Sideris
   • Bin Bin She

   OriginalPaper Pages: 92 - 108

5. IAG Newsletter

   • Pascal Willis

   OriginalPaper Pages: 109 - 122

6. Erratum

   • Hiroo Mizuno

   Erratum Pages: 123 - 123