@techreport{TUW-237737, author = {Weber, Robert and Hinterberger, Fabian and Huber, Katrin and Lesjak, Roman and Klug, Christian and Thaler, Gottfried}, title = {PPPserve - Network based GNSS Phase Biases to enhance PPP Applications}, institution = {E120 - Department of Geodesy and Geoinformation; Vienna University of Technology}, year = {2014}, url = {http://publik.tuwien.ac.at/files/PubDat_237737.pdf} }