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The importance of the communication of information at disaster sites continues to increase, in response to the large-scale disasters over wide areas which have been occurring frequently in recent years. For communication of information during such disasters, satellite communication systems using a transportable VSAT are an indispensable communication method. However, although the conventional transportable VSAT system is lightweight and compact, until now there have been only a compact transportable type with lower communication capacity, and a larger transportable type with a higher communication capacity which is heavy and requires time to be assembled. In order to deal with both of these weak points, we developed an intermediate communication capacity transportable VSAT with a plane antenna, which ensures substantial communication capacity even though it is compact.

Keiichi Natsuhara
Kazuhiro Ishizawa
Kiyomi Yoshida
Hiroshi Itoh
Hiroyoshi Matsudaira