Gary Johnston¹, Laila Lovhoiden², Anne Jorgensen², ^○John Dawson¹ (1.Geoscience Australia, 2.Norwegian Mapping Authority)

^○Markku Poutanen (Finnish Geospatial Research Institute FGI, Masala, Finland)

^○Benjamin Maennel¹, Daniela Thaller², Markus Rothacher³, Johannes Boehm⁴, Juergen Mueller⁶, Mathis Blossfeld⁵, Alexander Kehm⁵, Susanne Glaser¹ (1.Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany, 2.Bundesamt fuer Kartographie und Geodaesie, Frankfurt am Main, Germany, 3.ETH Zurich, Zurich, Switzerland, 4.TU Vienna, Vienna, Austria, 5.Deutsches Geodaetisches Forschungsinstitut - TU Muenchen, Munich, Germany, 6.Leibnitz Universitaet Hannover, Hanover, Germany)

^○Susanne Glaser¹, Rolf Koenig², Karl-Hans Neumayer², Tobias Nilsson², Robert Heinkelmann², Harald Schuh^1,2, Frank Flechtner^1,2 (1.Technische Universitaet Berlin, Berlin, Germany, 2.GFZ German Research Centre for Geosciences, Potsdam, Germany)

^○Toshimichi Otsubo¹, Koji Matsuo², Yuichi Aoyama³, Keiko Yamamoto⁴, Thomas Hobiger⁵, Toshihiro Kubo-oka⁶, Mamoru Sekido⁶, Urs Hugentobler⁷, Rolf Koenig⁸ (1.Hitotsubashi University, Kunitachi, Japan, 2.Geospatial Information Authority of Japan, Tsukuba, Japan, 3.National Institute of Polar Research, Tachikawa, Japan, 4.National Astronomical Observatory of Japan, Mitaka, Japan, 5.Chalmers University of Technology, Gothenburg, Sweden, 6.National Institute of Information and Communications Technology, Kashima, Japan, 7.Technical University of Munich, Munich, Germany, 8.Deutsches GeoForschungsZentrum, Wessling, Germany)

^○Krzysztof Sosnica, Grzegorz Bury, Radoslaw Zajdel, Kamil Kazmierski, Mateusz Drozdzewski, Tomasz Hadas (Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland)