Utilizing Space Through Satellites Broadcasting Satellite "Yuri" (BS)

Operation Finished

About Broadcasting Satellite "Yuri" (BS)

The BS (Yuri series), in response to future broadcasting needs, have been used in a variety of broadcasting experiments as experimental satellites for reception by individual.
The BS-2 (Yuri-2) were designed to solve problems with transmission in areas with poor reception and for developing the technology required for future broadcasting services of the BS-2, responding to growing broadcasting satellites.
The BS-3 were launched to replace the broadcasting serices of the BS-2, responding to growing broadcasting needs while developing technologies for more advanced broadcasting satellites. They are presently being used for broadcasting and test broadcasting with high-definition television.
BS-2a finished its programmed operation in April, 1989. BS-2b finished its programmed operation on October 24, 1991. BS-3a finished its programmed operation on April 20, 1998. Also, BS-3b finished its programmed operation on December 1, 1998.

Major Characteristics

Yuri(BS)

Launch Date 4/8/1978
Launch Vehicle Delta 2914 Launch Vehicle (U.S.)
Launch Site Kennedy Space Center
Weight 350kg
Orbit Geostationary . 110deg. E. longitude

Yuri-2a(BS-2a), Yuri-2b(BS-2b)

Yuri-2a
(BS-2a)
Launch Date 1/23/1984
Launch Vehicle N-II Launch Vehicle (N12F)
Launch Site Tanegashima Space Center
Yuri-2b
(BS-2b)
Launch Date 2/12/1986
Launch Vehicle N-II Launch Vehicle (N14F)
Launch Site Tanegashima Space Center
Orbit Geostationary, 110deg. E. longitude
Weight 350kg

Yuri-3a(BS-3a), Yuri-3b(BS-3b)

Yuri-3a
(BS-3a)
Launch Date 8/28/1990
Launch Vehicle H-I Launch Vehicle (H22F)
Launch Site Tanegashima Space Center
Yuri-3b
(BS-3b)
Launch Date 8/25/1991
Launch Vehicle H-I Launch Vehicle (H23F)
Launch Site Tanegashima Space Center
Weight (at launch)About 1,100kg, (beginning of life)About 550kg
Orbit Geostationary, 110deg. E. longitude

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