Brasilsat B1

Brasilsat B1

Brasilsat B1 is a Brazilian communications satellite launched on August 10, 1994, by an Ariane (rocket) Rocket model 44L at Kourou in French Guiana.

History

It was constructed by the US and Brazil and is classified as a second generation satellite. It is larger and more powerful than the previous generation of satellites.

The Boeing Company contracted the acquisition of three satellites from Hughes Electronics Corporation. As part of the contract, Hughes would divide the work with Promon Engenharia SA of São Paulo. Brasilsat B1 and B2 were tested by the Institute of Space Research - INPE of São José dos Campos, Brasilsat B3 and B4 were tested in the Hughes laboratories.

The contract also included renovation of sensor equipment and telemetry, provided by Guaratiba Center for Satellite Signaling, located in Rio de Janeiro, as well as automation and installation of security equipment in the Tanguá Control Station.

Current Status

In March 2007, Brasilsat B1 was moved from its former orbital position at 70.0ºW to 68.0ºW and replaced by Brasilsat B4. On June 2nd, 2008 Brasilsat B4 was moved from its new position to 84.0ºW and replaced at 70.0ºW by Star One C2. Brasilsat B3 is currently at 75.0ºW. Of the four, only Brasilsat B4 is currently transmitting signals.

Main Characteristics

* Original Orbital Position: 70,0º W
* Current Orbital Position: 68.0ºW (Inactive)
* Coverage: Brazil
* Transponders: 28 C-Band
* Downlink Frequencies: 5850 - 6425 MHz
* Uplink Frequency: 3625 - 4200 MHz
* Launch Date: August 10th, 1994
* Model: Hughes HS 376 W
* Launch location/vehicle: Arianespace / Ariane 44 LP
* Planned Life of satellite: 12 years

External links

* [http://www.starone.com.br/english/starone/nossa_frota/satelites2.php Satellite Brasilsat 1]
* [http://www.lyngsat.com/brasilb1.html BrasilSat B1 at LyngSat]
* [http://www.lyngsat.com/brasilb4.html BrasilSat B4 at LyngSat]
* [http://www.lyngsat.com/staronec2.html Star One C2 at LyngSat]


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