GNSS

Leap Second Implementation Confuses Some Receivers

February 2, 2015By

The United States Civil GPS Service Interface Committee (CGSIC) has issued a notice about a problem some receivers are having implementing the correct time. The U.S. Coast Guard Navigation Center has received reports of synchronization issues since the implementation of a leap second on Jan. 21. Users experiencing this problem should contact the receiver manufacturer for a firmware or software update. Below is the... read more

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The System: ESA’s Second FOC Moves Up

February 1, 2015By
The fifth Galileo satellite is now pointing toward Earth.

By Tim Reynolds, GPS World European correspondent Director General Jean-Jacques Dordain of the European Space Agency (ESA) announced Jan. 16 that the second errant full-operational capability (FOC) satellite, launched in August, had started its orbital change maneuver the previous day. He anticipated that the orbital change would be completed and the final orbit — “albeit somewhat lower in height than the one... read more

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IS-GNSS 2015 Issues Call for Papers for Kyoto Conference

January 30, 2015By

The organizers of the International Symposium on GNSS (IS-GNSS 2015) are seeking paper submissions. The symposium will be held Nov. 16-19 in Kyoto, Japan. The International Symposium on GNSS is designed to bring together experts engaged in PNT and GNSS technologies — including industry professionals, practitioners, academics and researchers — to disseminate their latest research results and allow cross-disciplinary exchange of knowledge to... read more

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Chinese BeiDou/GPS Module Aims to Serve Civilians

January 28, 2015By

A new module produced by a Chinese company combines GPS and BeiDou for civilian positioning, especially for automobiles. The module has been in development for years, and offers improved accuracy and reliability, according to its makers. “GPS is a single-mode application. But we what are offering with our new module now is a system that can combine Beidou and GPS services,... read more

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Funding Proceeds for More GLONASS-K1 Satellites

January 26, 2015By

News courtesy of CANSPACE Listserv. According to its in-house newspaper, Siberian Satellite, the joint-stock company “Information Satellite Systems – Academician M.F. Reshetnev” has signed two loan agreements with the Russian VTB Bank (formerly Vneshtorgbank) worth 2.5 billion rubles ($38 million) to finance the production of GLONASS-K navigation satellites. Presumably, this refers to the decision to produce more GLONASS-K1 satellites as... read more

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Second Wayward Galileo FOC Moving Higher

January 20, 2015By
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At a press conference on Jan. 16, Director General Jean-Jacques Dordain of the European Space Agency (ESA)  announced that the second errant full-operational capability (FOC) satellite, launched in August, had started its orbital change maneuver the previous day. He anticipated that the orbital change would be completed and the final orbit — “albeit somewhat lower in height than the one... read more

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Six Galileo Satellites Planned for 2015 Launch

January 20, 2015By

Six Galileo satellites are scheduled to be launched this year, European Space Agency (ESA) Director General Jean-Jacques Dordain said on January 16. “The launch of six satellites is scheduled for 2015. The [European] Commission will determine the terms of the launches at the end of January,” Dordain said at a press briefing. The satellites will be put into orbit by Ariane... read more

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Galileo Service Interruption Planned for System Upgrade

January 19, 2015By
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Galileo’s navigation messages will shortly stop being updated to enable the migration of a new release for Galileo’s ground mission segment, announced the European Space Agency. Although the actual navigation signals will continue to be transmitted, the generation and uplink of the navigation message — which renews the contents of the signal — will be interrupted during the last week of January... read more

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