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.
The European Space Agency plans to begin during 2007 the operational development of a space weather forecasting system to help protect satellites from high energy particles.
The Space Environment Information System for Operations (SEISOP) project began two years ago with the goal of providing near real-timespace weather reports that could be used to forecast periods of high energy particles and other phenomena that can damage sensitive instruments.
"Space weather affects spacecraft in many ways. There can be random lost data, changes in orbit dynamics and reduced quality of science data. Therefore, real-time updates are essential when deciding how long to shut down instruments during hazardous periods," says Alessandro Donati, Head of European Space Operations Centre's Advanced Mission Concepts and Technologies office.
SEISOP has been initially directed at the Integral gamma-ray observatory. Space weather data from a variety of sources including ESA, NASA and NOAA spacecraft as well as ground-based facilities is combined with information about the 'health' of satellites.
Predicting likely periods of damaging weather allows controllers to take protective action such as shutting down sensitive instruments. The weather reports also mean controllers can be confident that the danger period has in fact passed before reactivating the systems.
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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