December 31, 2014

Financial Networks Shifting to GPS-Stamped Precise Time

[SIGNALS Exclusive] New competitive demands and regulatory requirements are driving financial firms around the world to use highly precise timestamps on incoming information and transactions, a trend likely to push firms to adopt a common time source like GPS. (more)
<http://www.insidegnss.com/node/4355>

Study Launched to Quantify the Economic Benefits of GPS

A new study is underway to estimate the economic benefit of GPS and quantify what's at stake if anything interferes with its navigation signals. (more)

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The 5 Most-Read News Stories on insidegnss.com in 2014

A well-worn cliché of news selection says, "If it bleeds, it leads." But a review of the most-read articles on insidegnss.com this year seems to validate the assertion that bad news does, indeed, attract more attention

Now you can read those stories (again), too.

April 2, 2014

GLONASS Suffers Temporary Systemwide Outage; Multi-GNSS Receiver Overcomes Problem

Just when they thought it was safe to go back into space . . . .

The Russian GLONASS system, which had appeared to be recovering from a series of organizational and technical problems in recent years, appears to have suffered a systemic disruption during the past 24 hours - beginning just past 1 a.m. Moscow time on April 2 (UTC+4) - 6 p.m. EDT on Tuesday (April 1, 2014). (more)

August 22, 2014

GNSS Charts Drought-Driven Tectonic 'Uplift' in Western U.S.

Precise GNSS measurements have revealed that the severe drought gripping the western United States in recent years is changing the landscape well beyond localized effects of water restrictions and browning lawns, according to scientists at Scripps Institution of Oceanography at the University of California at San Diego. (more)

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July 11, 2014

Galileo IOV Satellite Failure Mystery Still Unsolved

Sources in Brussels say the recently reported "power loss" that threatens to end the brief transmission life of Galileo GSAT0104, the fourth Galileo in-orbit validation (IOV) satellite, has nothing to do with the onboard atomic clocks, but could have been caused by a failure in the components linked to the solid-state power amplifier (SSPA), including the output multiplexer, cables and/or antenna. (more)

August 23, 2014

Galileo Soyuz Launches May Be Frozen Following Launch Anomaly; Board of Inquiry, Internal EC Task Force to Study Situation

The contract for Arianespace's three Ariane 5 launches to orbit a total of 12 Galileo FOC (Full Operational Capability) satellites was signed at the French Guiana spaceport by Chairman and CEO Stéphane Israël and Didier Faivre, ESA Director of the Galileo Program and Navigation-related Activities. Joining them were ESA Director General Jean-Jacques Dordain, and Daniel Calleja Crespo, Director General for Enterprise and Industry, European Commission. (more)

May 19, 2014

Flawed GPS Signal Processing Design Cited as Cause of Receiver Problems

Widespread reports of intermittent GPS receiver outages may well end this week as the U.S. Air Force wraps up an "extended navigation mode" functional checkout of a GPS satellite, designated Space Vehicle Number (SVN) 64, a Block IIF spacecraft launched in February. (more)

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