Monday, November 7, 2005

Inmarsat-4 Satellite Launched, Will Support Broadband Global Area Network

The Inmarsat-4 communications satellite was successfully launched in geosynchronous transfer orbit by a Zenit-3SL rocket from the Sea Launch Odyssey platform in the Pacific.


Inmarsat-4 is among the largest communications satellites ever launched -- 5,958 kg (13,108 lb). It is designed to provide high-speed mobile service to people throughout the Americas during its 13-year service life. It is one in a series of satellites designed to support the Broadband Global Area Network (BGAN) for high-speed delivery of Internet and intranet content and solutions, video-on-demand, videoconferencing, fax, e-mail, phone and LAN access.


One of a family of three similar spacecraft, this Inmarsat-4 F2 satellite carries a single global beam that covers up to a third of the Earth's surface, 19 wide spot beams and 228 narrow spot beams. It has a total end-of-life power of 13kW.


The first Inmarsat-4 was launched in March 2005 and is already in commercial service above the Indian Ocean. Together, the two I-4 satellites will be able to deliver Inmarsat's new Broadband Global Area Network (BGAN) service to 85% of the world's landmass.


BGAN will deliver Internet and intranet content and solutions, video-on-demand, videoconferencing, fax, e-mail, phone and LAN access at speeds of up to 492 kbps.
http://www.inmarsat.com
http://www.sea-launch.com/

  • Inmarsat's I-4 satellites are built by EADS Astrium and are part of an eight-year, US$1.5 billion development of Inmarsat's next-generation satellite network.

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