GNSS News

GPS CNAV Civil Capabilities Now Being Tested

June 17, 2013By

U.S. Air Force Space Command is now testing CNAV capabilities on the GPS L2 and L5 signals. The initial CNAV Live-Sky Broadcast began June 15 and will take place until June 29. Civil users and manufacturers are invited to participate. The GPS Directorate (SMC/GP) is implementing the CNAV (Civil Navigation) Test Program, conducting Live-Sky CNAV testing before deployment of the... read more

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Air Force Video Explains GPS Role in Daily Life

June 5, 2013By
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All of us in the GPS industry know someone who only thinks of GPS as a feature of their smartphone. You might direct them to a new YouTube video presented by the U.S. Air Force, which summarizes the worldwide role of GPS. It also touches on the GPS modernization program and new signals. The seven-minute video explains in simple terms... read more

Lockheed Martin Completes Functional Testing of GPS III Electronic Systems

June 5, 2013By
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A Lockheed Martin-led industry team has completed successful functional integration tests of the spacecraft bus and network communications equipment on the first satellite of the next generation Global Positioning System, known as GPS III. The recent testing of GPS III space vehicle 1 (SV 1) bus — the portion of the space vehicle that carries mission payloads and hosts them... read more

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Navtech Offers Condensed GNSS Signals and Systems Course

June 4, 2013By

Navtech is offering a four-day version of Course 551, “Using Advanced GPS/GNSS Signals and Systems,” customized for those attending the ION GNSS+ 2013 conference. This course will help attendees develop proficiency with advanced receiver processing of current, modernized, and new signals from GPS, GLONASS, Galileo, BeiDou, and QZSS. It teaches systems engineering skills, along with techniques for receiver processing and... read more

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Embezzlement of GLONASS Funds Investigated

June 3, 2013By

The Russian Federal Security Service is investigation the embezzlement of billions of rubles from the construction of the GLONASS center in Korolyov, a town outside Moscow, Izvestia daily reports. According to information shared by the Russian Legal Information Agency, the Investigative Committee’s department for the Moscow Region has launched a preliminary probe into the case. Construction of the GLONASS satellite... read more

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Navigation Center for India’s SatNav System Inaugurated

June 3, 2013By

The Indian Space Research Organization (ISRO) Navigation Centre, an important element of the Indian Regional Navigation Satellite System (IRNSS), was inaugurated May 28. The INC has been established at the Indian Deep Space Network complex at Byalalu, about 40 kilometers from Bangalore, India. IRNSS, an independent navigation satellite system being developed by India, will have a constellation of seven satellites... read more

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CNES Computes Real-Time Decimeter-Accuracy Orbits with Galileo

May 30, 2013By
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The first four Galileo satellites used for in-orbit validation were launched in October 2011 and October 2012.They are now transmitting their signals on an operational basis. Thanks to the simultaneous use of these four satellites, the European Space Agency was able to compute the first autonomous Galileo-only fix using broadcast ephemerides in March 2013. Using data from the real-time service... read more

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Update: GPS IIF-4 Successfully Launched from Cape Canaveral

May 24, 2013By
Centaur upper stage with the payload still attached. Photo credit: Andy Smith

UPDATE, May 24, by Richard Langley: The Centaur upper stage with the payload still attached was photographed from Tavistock, Devon, in the U.K. by Andy Smith. As can be seen from the ground trace figure in an earlier GPS World news item, the Centaur passed over the U.K. following MECO1, the first main engine cutoff. From Europe, the Centaur could... read more

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