^○Norbert Zehentner, Torsten Mayer-Guerr, Sebastian Strasser (Institute of Geodesy, Graz University of Technology, Graz, Austria)

Ilias Daras¹, Pieter Visser³, ^○Nico Sneeuw², Tonie van Dam⁴, Roland Pail¹, Thomas Gruber¹, Qiang Chen⁴, Wei Liu², Mohammad Tourian², Johannes Engels², Peyman Saemian², Christian Siemes⁵, Roger Haagmans⁵ (1.Technical University of Munich, Munich, Germany, 2.University of Stuttgart , Stuttgart, Germany, 3.Delft University of Technology, Delft, Netherlands,, 4.University of Luxembourg, Luxembourg, 5.European Space Agency, ESTEC)

^○Nico Sneeuw¹, Balaji Devaraju² (1.Institute of Geodesy, University of Stuttgart, Stuttgart, Germany, 2.Institute of Geodesy, Leibniz University of Hannover, Hannover, Germany)

^○Christoph Dahle^{1, 2}, Daniel Arnold², Adrian Jaeggi², Ulrich Meyer², Rolf Koenig¹, Grzegorz Michalak¹, Karl Hans Neumayer¹ (1.GFZ German Research Centre for Geosciences, Potsdam, Germany, 2.Astronomical Institute, University of Bern, Bern, Switzerland)