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Spaceway 1, 2, 3

Spaceway 1 [Boeing BSS]

Hughes Network Systems is developing a global satellite network named Spaceway, which will provide high-bandwidth and high-speed communications for broadband and multimedia applications.

The North American constellation will include two BSS-702 geosynchronous satellites and one in-orbit spare. The satellites are the next generation in satellite communications technology, transmitting and receiving up to 100 times faster than conventional telephone lines. Spaceway North America will operate in Ka-band.

Due to less than expected demand, DirecTV Group Inc.may use two new satellites to provide more for high-definition TV, programming instead of an Internet-access service that the company had planned. It may also use them to offer both services. Boeing modified the first two satellites for bent-pipe Ka-band communications for use in high definition television and disabled the regenerative on-board processing of the original system that was to be used for broadband satellite communications.

The first of the three satellites was scheduled to be launched in 2003 by Sea Launch on a Zenit-3SL (2) booster but was delayed to 2005. The Spaceway 2 satellite has been moved to an Ariane-5ECA launch vehicle to enable a launch of both Spaceway 1 and 2 in 2005. Spaceway 3 was moved in 2007 also to Ariane-5 in the aftermath of a Zenit-3SL (2) launch failure.

Nation: USA
Type / Application: Communication
Operator: DirecTV (#1, #2); Hughes Network Systems (#3)
Contractors: Boeing
Equipment: 72 Ka-band transponders (#1, #2), regenerative Ka-band payload (#3)
Configuration: BSS-702
Propulsion: R-4D, 4 × XIPS-25 Ion engines
Power: 2 deployable solar arrays, batteries
Lifetime: 13 years
Mass: 6080 kg (#1), 6116 kg (#2), 6075 kg (#3) (3832 kg BOL)
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Spaceway 1 2005-015A 26.04.2005 SL Zenit-3SL (2)
Spaceway 2 2005-046B 16.11.2005 Ko ELA-3 Ariane-5ECA with Telkom 2
Spaceway 3 2007-036A 14.08.2007 Ko ELA-3 Ariane-5ECA with BSat 3a

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