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Inmarsat is going to operate the Fleet Xpress(FX)system, which offers more high-speed broadband communication than the current maritime satellite communication system and is expected to improve the communication quality and reliability under maritime environment drastically, from the third quarter of 2015. JRC has developed the Global Xpress (GX)maritime satellite communication terminal JUE-60GX which is one of the compositions in FX system, and is operated via "Ka-band" satellite(Inmarsat fifth generation satellite).This report introduces GX system’s outline and JUE-60GX’s composition, the basic specification and the feature. In addition, this report introduces the elemental technology which is obtained by JRC’s knowledge, in order to satisfy to the severe technical specification which is required to the communication equipment for Ka-band’s satellite radio frequency.

Shintaro Inoue
Minoru Akatsuka
Nobuyuki Ito
Takanori Noro
Toshiyuki Maeda