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06 10.17402/ https://repository.am.szczecin.pl/handle/123456789/73 Maritime University Szczecin <TitleType>01</TitleType> <TitleText>32.2 Scientific Journals of the Maritime University of Szczecin</TitleText> PL 06 10.17402/ JB 104 32 05 2012 <TitleType>01</TitleType> <TitleText>New satellite navigation systems and moderenization of current systems, why and for whom?</TitleText> A01 Jacek Januszewski Gdynia Maritime University, Navigation Department 81-345 Gdynia, al. Jana Pawła II 3 01 eng