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. China Develops Beidou Satellite Monitoring System

China sent its fourth Beidou navigation satellite on Feb. 3 this year to provide all-weather and all-day navigation and positioning information.
by Staff Writers
Beijing, China (Xinhua) Aug 16, 2007
China has developed its Beidou satellite monitoring system for dangerous chemicals transportation, the Beijing Times reported here Monday. The system, which has passed experts review, provides all-day data of dangerous chemicals transportation to Beidou navigation satellite and gives corresponding operational order, the paper said. Scores of sensors, equipped on every vehicle transporting dangerous chemicals, collect data and information of the vehicle as well as road condition.

All the information are stored in a black box and transmitted to the satellite timely and corresponding operational signals are sent to the land control center.

For example, when the traffic accident occurs to a vehicle, the land control center can call the police and give timely rescue after it gets orders from the satellite.

"The whole process, from the accident occurs to the information sent to the land control center, only takes 0.01 second, which is much more advanced and less time-consuming than the monitoring system assisted by traditional GPS", director of the system's research and development center was quoted by the paper as saying.

The system can even monitor whether the drivers has drunk some alcohol, the paper reported, saying censors installed in the driving cab can detect alcohol level.

"If it's beyond the limit, the control center will cut off the oil-supply to avoid drunk driving," the director added.

China sent its fourth Beidou navigation satellite on Feb. 3 this year to provide all-weather and all-day navigation and positioning information.

By now, China has successfully put four navigation satellites into orbit and the previous three were launched in 2000 and 2003.

Source: Xinhua News Agency

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DigitalGlobe Announces Launch Date For WorldView-1
Boulder CO (SPX) Aug 15, 2007
Ball Aerospace and Technologies, ITT Corporation and DigitalGlobe, the provider of the world's highest-resolution imagery and geospatial information products, today announced delivery of its WorldView-1 satellite to Vandenberg Air Force Base in California for its scheduled launch on Tuesday, September 18, 2007. WorldView-1 is the first of two new next-generation satellites DigitalGlobe plans to launch.

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