[1] Fed Off Metrol & Surveying & Surveying BEV, Villach, Austria
[2] Royal Observ Belgium, Uccle, Belgium
[3] Observ Nacl, Rio De Janeiro, RJ, Brazil
[4] Natl Inst Metrol, Beijing, Peoples R China
[5] Tsinghua Univ, Beijing, Peoples R China
[6] Ind Technol Res Inst, Taipei, Taiwan
[7] RIGTC VUGTK Geodet Observ, Zdiby, Czech Republic
[8] Finnish Geodet Inst, Masala, Finland
[9] LNE SYRTE, Paris, France
[10] Inst Phys Globe Strasbourg, Strasbourg, France
[11] Univ Montpellier 2, Geosci Montpellier, CNRS, F-34095 Montpellier 5, France
[12] Leibniz Univ Hannover, Hannover, Germany
[13] Fed Agcy Cartog & Geodesy, Leipzig, Germany
[14] INRIM Ist Nazl Ric Metrolog, Turin, Italy
[15] ASI, Rome, Italy
[16] Natl Metrol Inst Japan, Natl Inst Adv Sci & Technol NMIJ AIST, Ibaraki, Japan
[17] Univ Luxembourg, Esch Sur Alzette, Luxembourg
[18] Inst Geodesy & Cartog, Warsaw, Poland
[19] Korea Res Inst Stand & Sci, Daejeon, South Korea
[20] Inst Geog Nacl Expanol, Madrid, Spain
[21] Lantmateriet Swedish Mapping Cadastral & Land Reg, Lulea, Sweden
[22] Fed Inst Metrol Metas, Bern, Switzerland
[23] Delft Univ Technol, Delft, Netherlands
[24] Natl Geodet Survey, Silver Spring, MD USA
[25] Micro G LaCoste Inc, Lafayette, CA USA