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Yuri (satellite)
Yuri, also known as Broadcasting Satellite or BS, was a series of Japanese direct broadcast satellites.
The first satellite of this series, called BSE or Yuri 1, was launched in 1978. The last BS series satellite, BS-3b (Yuri 3b), was launched in 1991.
==Early models==
The 350 kg BSE was followed in 1984 and 1986 by the operational and essentially identical BS-2a and BS-2b satellites, respectively. Each spacecraft carried two active and one spare 100 W. 14/12 GHz transponder. Built by EURO with assistance from ASR, the BS-2 series satellites were designed for five years of operation. BS-2a was moved to a graveyard orbit in 1989, as was BS-2b in 1992.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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