Inmarsat: Marine, Land Mobile,and Aeronautical Satellite Services
stood at the forefront of mobile satellite services for 30
years. As internationally recognised as pioneers in the field,
they continue to introduce new technologies that redefine the
standard for our industry. Their new Broadband Global Area
Network (BGAN) service, for example, is now enabling TV
broadcasters to beam breaking news 'live via videophone' into
millions of homes. And in future, when you make a mobile phone
call or send a text message from an aircraft, most likely it
will be transmitted via Inmarsat satellites to the ground.
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For the maritime community, however, Inmarsat's communication and safety services are nothing new. Their lives and livelihoods have depended upon Inmarsat for more than a quarter of a century. Founded in 1979 to ensure that ships could stay in constant touch by telephone, by 1999, they became the first intergovernmental organisation to transform into a private company and, in 2005, were floated on the London Stock Exchange.
Inmarsat I-4's lead the way
The Inmarsat-4 (I-4) series of satellites are the most advanced commercial mobile communications spacecraft of their kind. The three satellites that make up the global I-4 constellation are part of an 11-strong fleet of spacecraft owned and operated by Inmarsat. All the Inmarsat satellites, including the Inmarsat-2 and Inmarsat-3 generations, fly in geosynchronous orbit 35,786km (22,240 statute miles) above the Earth.
Inmarsat's first wholly owned satellites, the Inmarsat-2s, were launched in the early 1990s, and the Inmarsat-3s - the first generation to use spot beam technology - followed later in the decade.
The I-4s set a new benchmark for mobile satellite communications in terms of their power, capacity and flexibility when they first went into orbit in 2005. One I-4 satellite is 60 times more powerful than an Inmarsat-3.
The I-4 series is expected to continue in commercial operation until about 2020.
In the meantime, Inmarsat has entered into agreement with the European Space Agency (ESA) to become the commercial operator of a new satellite called Alphasat.
The satellite is part of an ESA initiative to develop a new spacecraft platform capable of carrying a large communications payload.
Alphasat is scheduled for completion in 2012 and will supplement the existing I-4 satellites. It will provide service over Europe, the Middle East and Africa.
InmarsatInmarsat: Marine, Land Mobile,and Aeronautical Satellite Services Inmarsat has stood at the forefront of mobile satellite services for 30 years. As internationally recognised as pioneers in the field, they continue to introduce new technologies that redefine the standard for our industry. Their new Broadband Global Area Network (BGAN) service, for example,...
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