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Posts Tagged ‘GPS’

‘Wolf Clause’ bars China-U.S. collaboration on space; China-Russia plans man on Mars by 2040

May 18th, 2011 7 comments

Xinhua (via China Daily) has just reported Chinese journalists blocked from covering the Endeavor launch due to the ‘Wolf Clause.’ The clause was introduced into the 2011 budget bill by congressman Frank Wolf and signed into law by President Obama just one month ago. It is unfortunate, because China’s scientists have designed some core parts of the Alpha Magnetic Spectrometer-2 (AMS) particle detector which was on board the shuttle. The detector is “mankind’s most ambitious effort to date to explore the universe’ origin.” This is a rare opportunity to collaborate in science and humanity; politics need not play a part. So, I must say, I share the articles indignation at what transpired, especially in the recent Strategic & Economic Dialog, the two countries leaders pledged expanding cooperation.
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BeiDou (COMPASS), China’s GPS, to service Asia by 2012 and the world by 2020

June 3rd, 2010 2 comments

BeiDou (COMPASS) Satellite #4 Launched June 3, 2010 Beijing Time

BeiDou (COMPASS) Satellite #4 Launched June 3, 2010 Beijing Time

China has just successfully placed into orbit her fourth satellite, which over the next ten years would complete a constellation of 35, to offer navigation and communications services to the world. By 2012, the BeiDou (COMPASS), in Chinese, 北斗卫星导航系统, system becomes operational for the Asia region. By 2020, it will service the entire globe. China joins the U.S. (GPS) and Russia (GLONASS) as the third country to have developed such a system. Like the GPS, COMPASS will have dual military and civil use where the military will have access to higher precision signals.

According to this Xinhua article, COMPASS’s “open” service, which is free of charge to global users, will have positioning accuracy of 10 meters.
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