Telstra has revealed the addition of almost one million new mobile services in the six months to December 2011, but Sensis revenues plummeted 24 percent in 12 months.
While this is only a demonstration - information from a single satellite does not allow a receiver to fix its position - it is an important step along the path to a fully working system.
GIOVE-A will soon begin to continuously broadcast this navigation signal along with the time offset between Galileo and the US GPS. A dual-standard receiver could determine its position from signals transmitted by GIOVE-A and GPS satellites.
Galileo will use a constellation of 30 satellites providing global coverage. Multiple service levels will be offered, including a free basic service equivalent to civil GPS, a commercial service with enhanced performance, and an encrypted service for law enforcement and other authorities. The service should be fully deployed in 2011 or 2012.
In March, ESA awarded a contract for initial work on the GIOVE-A2 satellite to Surrey Satellite Technology. Having at least one satellite in orbit at all times will allow the project to maintain its rights to the frequencies allocated by the International Telecommunications Union. ITU regulations allow a maximum service interruption of two years.
GIOVE-A2 should be ready for launch in the second half of 2008, but ESA officials said "The actual launch date of this new satellite will be decided later, taking into account the situation of GIOVE-A and GIOVE-B."
David Bass
| For the fourth year in a row, IDC has placed content security provider Websense (NASDAQ: WBSN) at the top of the IDC Worldwide Web Security 2011 –…
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