Institution: | 1. Eötvös Lóránd University, Budapest, Hungary;2. BL Electronics Ltd., Solymár, Hungary;3. MTA-ELTE Res. Group for Geol., Geophys. and Space Sci., HAS, Budapest, Hungary;4. Space Research Institute (IKI) of RAS, Moscow, Russia;5. Lviv Centre of Institute for Space Research of NASU-SSAU (LC), Lviv, Ukraine;6. Geodetic and Geophysical Institute, RCAES, HAS, Sopron, Hungary |