Control and Minimization of Multi-Path Problems on the GPS R.O.S.A. Antenna installed onboard Oceansat-2 Spacecraft

In the frame of a study funded by the Italian space agency (ASI), Thales Alenia Space Italia has developed the R.O.S.A. instrument (Radio Occultation Sounder Antenna for the atmosphere), to be installed aboard OCEANSAT-2, an ISRO satellite. The R.O.S.A. antenna subsystem is made of two independent linear arrays, assembled side by side. (6 pages)