Contact
| Chair | Secretary |
| Axel Nothnagel | Rüdiger Haas |
| Institute of Geodesy and Geoinformation | Onsala Space Observatory |
| University of Bonn | Department of Radio and Space Science |
| Nussallee 17 | Chalmers University of Technology |
| DE-53115 Bonn | SE-439 92 Onsala |
| email: nothnagel (at) uni-bonn.de | email: haas (at) oso.chalmers.se |
last update: 2011-12-06