Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
GPS Galileo Glonass BeiDou Regional/Augmentation
Inside Unmanned Systems
Thought Leadership Series
April 22, 2013 - April 25, 2013
Honolulu, Hawaii
October 25, 2012

16th Beidou Satellite Launches

A Long March III rocket carried the 16th Chinese Compass/Beidou2 navigation satellite into orbit from the Xichang Launch Center today at 1533 GMT (11:33 a.m. EDT), according to the official GNSS website at

The geostationery satellite successfully entered a planned transfer orbit.

October 17, 2012

China Plans New BeiDou Launch, Agrees to ITU Coordination in Galileo Signal Dispute

China’s Xinhua state news agency has reported that a 16th satellite will be added to the nation’s BeiDou-2 (Compass) GNSS system by the end of this month.

September 17, 2012 - September 21, 2012
Nashville, Tennessee USA
September 19, 2012

China Launches Two More Compass/BeiDou-2 Spacecraft

China successfully launched another two Compass/BeiDou satellites into space at 3:10 a.m. Beijing time on Wednesday (September 19, 2012), according to the Chinese state news agency Xinhua.

They were the 14th and 15th satellites for the nation’s GNSS system, and presumably the fourth and fifth middle-Earth-orbiting (MEO) satellites in the constellation. The satellites, launched from the Xichang Satellite Launch Center in southwest China's Sichuan Province, were boosted by a Long March-3B carrier rocket.

May 15, 2013 - May 17, 2013
Wuhan, China
Events • September 7, 2012

2013 China SatNav Conference in Wuhan Calls for Papers

The fourth China Satellite Navigation Conference (CSNC 2013) has issued a call for papers to be presented at the international event scheduled May 15–17, 2013 in Wuhan, China.

The theme of CSNC 2013 is “BeiDou Application — Opportunities and Challenges” and will include an academic exchange as well as a commercial exhibition and technical forum.

Deadline for submitting abstracts is October 31, 2012. Full papers are due by December 20. Authors whose papers have been accepted will be notified by the end of February 2012.

November 5, 2012 - November 9, 2012
Beijing, China
October 31, 2012 - November 2, 2012
Xi'an, China
GNSS Solutions • September/October 2012

Vector Delay Lock Loops

GNSS receivers determine their position and clock bias by measuring the arrival times of satellite signals. Delay lock loops (DLLs) are used in traditional receivers to measure the arrival times of the signals.

Jammer Dectector
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