Inmarsat owns and operates a global satellite network with operating licenses in 171 countries. A variety of devices can communicate with each other via satellite in the Inmarsat Broadband Global Area Network, B-GAN.
Inmarsat owns and operates a global satellite network with operating licenses in 171 countries. A variety of devices can communicate with each other via satellite in the Inmarsat Broadband Global Area Network, B-GAN.
Higher bandwidth services can be delivered through the network, including internet and intranet content and solutions, video-on-demand, video conferencing, fax, e-mail, voice and LAN access at speeds up to 432Kbps.
Higher bandwidth services can be delivered through the network, including internet and intranet content and solutions, video-on-demand, video conferencing, fax, e-mail, voice and LAN access at speeds up to 432Kbps.
Inmarsat distributes a PDA-size terminal that measures about four by five inches, and weighs 700g (1 lb, 9 oz). The terminals run at 144Kbps to and from the satellite.
Inmarsat distributes a PDA-size terminal that measures about four by five inches, and weighs 700g (1 lb, 9 oz). The terminals run at 144Kbps to and from the satellite.
Data communications over Inmarsat's satellite network has grown by an average of 50% year-on-year since 1995 up until 2002.
Data communications over Inmarsat's satellite network has grown by an average of 50% year-on-year since 1995 up until 2002.
The Teledesic satellite.
The Teledesic satellite.
The satellites will be made of a tough composite material and will be able to sustain impacts from space debris.
The satellites will be made of a tough composite material and will be able to sustain impacts from space debris.
Teledesic will use a large number of LEO satellites to offer access to broadband digital transmission telecommunications.
Teledesic will use a large number of LEO satellites to offer access to broadband digital transmission telecommunications.
To reduce environmental pressures, between six and eight satellites will be launched with each rocket.
To reduce environmental pressures, between six and eight satellites will be launched with each rocket.
The teledesic network will increase bandwidth and speed for internet use via satellite.
The teledesic network will increase bandwidth and speed for internet use via satellite.
Connexion architecture.
Connexion architecture.
The first Connexion antennas on a commercial jetliner, a Lufthansa 747-400, is being installed for use in a three-month trial.
The first Connexion antennas on a commercial jetliner, a Lufthansa 747-400, is being installed for use in a three-month trial.
GPS satellite ground control stations.
GPS satellite ground control stations.
Orbcomm satellites being tested.
Orbcomm satellites being tested.
Orbcomm satellites being built.
Orbcomm satellites being built.
Technicians working on an Orbcomm satellite.
Technicians working on an Orbcomm satellite.
Stack of eight Orbcomm satellites.
Stack of eight Orbcomm satellites.
Orbcomm satellites being linked to Pegasus.
Orbcomm satellites being linked to Pegasus.
The Orbcomm network control centre.
The Orbcomm network control centre.
GALILEO is the joint project of the European Commission and the European Space Agency to deploy a new infrastructure based on a 30-satellite constellation, to provide positioning and timing services.
GALILEO is the joint project of the European Commission and the European Space Agency to deploy a new infrastructure based on a 30-satellite constellation, to provide positioning and timing services.
Currently there are two radio navigation satellites in the world: American (GPS) and Russian (Glonass). Both were designed as military systems, but the GALILEO system appears to offer the only real alternative to the American system.
Currently there are two radio navigation satellites in the world: American (GPS) and Russian (Glonass). Both were designed as military systems, but the GALILEO system appears to offer the only real alternative to the American system.
EGNOS, which has been developed since 1993, offers major improvements to the services offered in Europe by the GPS and Glonass satellite constellations. EGNOS increases the number of GPS signals, applies a differential correction, adds an integrity message and is also set to be incorporated into GALILEO.
EGNOS, which has been developed since 1993, offers major improvements to the services offered in Europe by the GPS and Glonass satellite constellations. EGNOS increases the number of GPS signals, applies a differential correction, adds an integrity message and is also set to be incorporated into GALILEO.
The GALILEO system will provide a high level of performance to users worldwide, even in places where there is no ground infrastructure.
The GALILEO system will provide a high level of performance to users worldwide, even in places where there is no ground infrastructure.
The GALILEO system has already created 140,000 jobs and, with a cost equivalent to 150km of semi-urban motorway, will generate a market estimated to have a value of €9 billion per year.
The GALILEO system has already created 140,000 jobs and, with a cost equivalent to 150km of semi-urban motorway, will generate a market estimated to have a value of €9 billion per year.
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