Od 18. do 20. svibnja 2011. u Beču je održan 118. skup EuroSDRa. Organizator skupa bio je Bundesamt fuer Eich- und Vermessungswesen (BEV). Iz Hrvatske su u radu skupa učestvovali mr. sc. Ivan Landek i dr. sc. Željko Hećimović.The 118th EuroSDR Meeting was held in Vienna from May 18 to 20, 2011. It was organized by Bundesamt fuer Eich- und Vermessungswesen (BEV). Msc. Ivan Landek and Dr. Željko Hećimović from Croatia participated in the meeting