Observing absolute gravity change in the Fennoscandian postglacial rebound area

(1) Finnish Geodetic Institute, Masala, Finland (JAAKKO.MAKINEN@FGI.FI, 00358 9 29555211), (2) Lantmateriet, Gavle, Sweden, (3) Institut fur Erdmessung, Leibniz Universitat Hannover, Germany, (4) Latvian Geospatial Information Agency, Riga, Latvia, (5) National Oceanic and Atmospheric Administration (NOAA), currently at Micro-g Lacoste, Lafayette, CO, USA, (6) Estonian Land Board, Tallinn, Estonia, (7) Vilnius Gediminas Technical University, Lithuania, (8) Norwegian University of Life Sciences, As, Norway, (9) National Space Institute, Technical University of Denmark, Copenhagen, Denmark, (10) Federal Agency for Cartography and Geodesy (BKG), Frankfurt am Main, Germany