Ackwnoledgements

The data and products used in the EUREF-Czech-2009 campaign processing were kindly provided by the following organizations:

• data and products from the EUREF Permanent network (EPN) http://epncb.oma.be/


• orbit and clock products from the International GNSS Service (IGS) http://igscb.jpl.nasa.gov/


• data from CZEPOS operated by the Land Survey Office (LSO) http://czepos.cuzk.cz/


• data from VESOG network operated by the Research Institute of Geodesy, Topography and Cartography in collaboration with University of West Bohemia in Plzeň, Brno University of Technology, VŠB Technical University of Ostrava and Military Geographical and Hydrometeorological Institute http://oko.asu.cas.cz/vesog/


• data from GEONAS network operated by the Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic http://www.geonas.irsm.cas.cz/


• data from TOPNET network operated by GEODIS, s.r.o. company http://www.geodis.cz/produkty/topnet

All these contributions are gratefully acknowledged.