GPS World's Compass section offers exclusive daily news, features, opinion pieces, and analysis of the Chinese satellite navigation system.
News
Last Year a Race, This Year Quo Vadis? March 10, 2010
GNSS came in for a self-examination at this year’s Munich Satellite Navigation Summit, the prime institutional and political venue among the assorted technical conferences dealing with satellite navigation. The 2009 conference was titled “The GNSS Race,” but this year it is “GNSS — Quo...More>>
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News
First China Satellite Nav Conference Set for May March 10, 2010
The first China Satellite Navigation Conference (CSNC2010) will be held on May 19-21, 2010, in Beijing. Academician Sun Jiadong serves as chairman of the Scientific Committee of the conference.More>>
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Article
The System: New Math for GPS February 1, 2010
The U.S. Air Force GPS Wing and 50th Space Wing have begun repositioning GPS satellites in space to fly what they call the 24+3 or Expandable 24 constellation plan. The initiative will take up to 24 months to fully implement. Benefits to users will be slowly realized during that time, as the number...More>>
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News
China Launches Third Beidou Navigation Satellite January 18, 2010
The Chinese government announced a third Beidou navigation satellite was launched into orbit on January 17, an important step in the construction of the Compass Navigation Satellite System.More>>
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News
Beidou Satellite Drifts from Geostationary Orbital Slot December 1, 2009
Beidou G2, launched last April, has drifted 10 degrees from its initial geostationary orbital slot. G2 is the Chinese global navigation satellite system's second satellite. This may mean that it is uncontrollable and has been abandoned. Such a failure — if it is one — may delay launch of new...More>>
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China Suggests Solution to Compass-Galileo Overlay Problem August 24, 2009
China presented one possible solution to the impasse on frequency overlay between that country’s Compass system and the European Galileo program. In a July 30 talk before the International Committee on GNSS (ICG) Working Group A – Compatibility and Interoperability (WG-A) in Vienna, Yuanxi...More>>
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Article
The System: Compass Awry August 1, 2009
One of the satellites in the Chinese domestic satellite navigation system, Beidou, is no longer in geostationary orbit and appears to have been abandoned.More>>
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Article
Drifting Beidou Bird a Manufacturing Miss July 29, 2009
As the August print issue of the magazine will report, one of the satellites in the Chinese domestic satellite navigation system, Beidou, has exited geostationary orbit and appears to have been abandoned. Contributing editor Richard Langley noticed some aberrant data when compiling GNSS...More>>
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China Launches Second Compass Satellite April 15, 2009
The Chinese news agency Xinhua reports the successful launch on April 14 of a second Beidou/Compass global navigation satellite, destined for geostationary orbit along the equator at an altitude of about 22,300 miles.More>>
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Leadership Talks: View from China October 1, 2008
Guifeng Jing (GJ) wrote in our May issue that ?I plan to do some research work on the establishment of integrated system of systems for users in China, to help domestic providers of digital maps, regional and thematic service systems, and service operators to sit together and discuss the...More>>
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