Global Positioning System: Difference between revisions
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== Other systems == | == Other systems == | ||
{{ main|Global Navigation Satellite System}} | {{ main|Global Navigation Satellite System}} | ||
* '''[[GLONASS]]''' ('''GLO'''bal '''NA'''vigation '''S'''atellite '''S'''ystem) is operated by [[Russia]], although with only twelve active satellites [[as of 2004]]. In Russia, Northern Europe and Canada, at least four GLONASS satellites are visible 45% of time. There are plans to restore GLONASS to full operation by 2008 with assistance from | * '''[[GLONASS]]''' ('''GLO'''bal '''NA'''vigation '''S'''atellite '''S'''ystem) is operated by [[Russia]], although with only twelve active satellites [[as of 2004]]. In Russia, Northern Europe and Canada, at least four GLONASS satellites are visible 45% of time. There are plans to restore GLONASS to full operation by 2008 with assistance from India. | ||
*'''[[Galileo positioning system|Galileo]]''' is being developed by the [[European Union]], joined by [[People's Republic of China|China]], [[Israel]], | *'''[[Galileo positioning system|Galileo]]''' is being developed by the [[European Union]], joined by [[People's Republic of China|China]], [[Israel]], India, [[Morocco]], [[Saudi Arabia]] and [[South Korea]], [[Ukraine]] planned to be operational by 2010. | ||
*'''[[Beidou navigation system|Beidou]]''' may be developed independently by China.<ref>[http://www.theinquirer.net/default.aspx?article=35624 Chinese threaten to dump Galileo GPS]</ref> | *'''[[Beidou navigation system|Beidou]]''' may be developed independently by China.<ref>[http://www.theinquirer.net/default.aspx?article=35624 Chinese threaten to dump Galileo GPS]</ref> | ||