China launched two satellites into the space for Global positioning system and Global navigation network.These two satellites launched from Xichang Satellite Launch Center in southwest Sichuan province. by a Long March-3B carrier rocket.
these two satellites contains Beidou systems and this system used in transportation,weather forecasting,forestry,marine fisheries,hydrological monitoring and telecommunications,mapping.China started to build up its own satellite navigation system to break its dependence on the US GPS in 2000.It had a set up a regional satellite navigation system after launching three Beidou geostationary satellites.
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