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HandWiki. BeiDou Navigation Satellite System. Encyclopedia. Available online: https://encyclopedia.pub/entry/37101 (accessed on 24 September 2026).
HandWiki. BeiDou Navigation Satellite System. Encyclopedia. Available at: https://encyclopedia.pub/entry/37101. Accessed September 24, 2026.
HandWiki. "BeiDou Navigation Satellite System" Encyclopedia, https://encyclopedia.pub/entry/37101 (accessed September 24, 2026).
HandWiki. (2022, November 29). BeiDou Navigation Satellite System. In Encyclopedia. https://encyclopedia.pub/entry/37101
HandWiki. "BeiDou Navigation Satellite System." Encyclopedia. Web. 29 November, 2022.
BeiDou Navigation Satellite System
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The content is sourced from: https://handwiki.org/wiki/Engineering:BeiDou_Navigation_Satellite_System

The BeiDou Navigation Satellite System (BDS) is a Chinese satellite navigation system. It consists of two separate satellite constellations. The first BeiDou system, officially called the BeiDou Satellite Navigation Experimental System and also known as BeiDou-1, consists of three satellites which since 2000 has offered limited coverage and navigation services, mainly for users in China and neighboring regions. Beidou-1 was decommissioned at the end of 2012. The second generation of the system, officially called the BeiDou Navigation Satellite System (BDS) and also known as COMPASS or BeiDou-2, became operational in China in December 2011 with a partial constellation of 10 satellites in orbit. Since December 2012, it has been offering services to customers in the Asia-Pacific region. In 2015, China started the build-up of the third generation BeiDou system (BeiDou-3) in the global coverage constellation. The first BDS-3 satellite was launched on 30 March 2015. As of January 2018, nine BeiDou-3 satellites have been launched. BeiDou-3 will eventually consist of 35 satellites and is expected to provide global services upon completion in 2020. When fully completed, BeiDou will provide an alternative global navigation satellite system to the United States owned Global Positioning System (GPS), and is expected to be more accurate than the GPS. It was claimed in 2016 that BeiDou-3 will reach millimeter-level accuracy (with post-processing), which is ten times more accurate than the finest level of GPS. According to China Daily, in 2015, fifteen years after the satellite system was launched, it was generating a turnover of $31.5 billion per annum for major companies such as China Aerospace Science and Industry Corp, AutoNavi Holdings Ltd, and China North Industries Group Corp.

global navigation satellite navigation global coverage

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