Institution: | (1) Geophysical Institute, Slovak Academy of Sciences, Dúbravská cesta 9, 845 28 Bratislava, Slovakia;(2) Department of Geodesy and Geomatics Engineering, University of New Brunswick, Fredericton, N.B., E3B 5A3, Canada;(3) Institute of Meteorology and Geophysics, University of Vienna, Althanstrasse 14, 1090 Vienna, Austria |