Secretary of Defense Wants to Move Past GPS to MEMS-Based Navigation, PNT Experts Doubtful
[SIGNALS Exclusive] Ashton Carter, the new U.S. Secretary of Defense has been making clear he supports moving past GPS to a disbursed network based on microelectromechanical systems or MEMS for position, navigation, and timing (PNT) information. (more) <http://www.insidegnss.com/node/4553>
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LightSquared Launches GPS Receiver Tests as Adjacent Band Interference Study Stalls
[SIGNALS Exclusive] Even as government researchers weather another delay in a study aimed at preventing GPS disruptions, the company at the heart of the issue has launched its own test of what it deems to be economically significant GPS receivers. (more) <http://www.insidegnss.com/node/4554>
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Federal Rail Agency, Google Partner on Rail Crossing Safety with GNSS/Mapping App
Google has agreed to integrate into its mapping services geographic information system (GIS) data from the Federal Railroad Administration (FRA) that pinpoints the location of the nation's approximately 250,000 public and private railroad crossings. (more)
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GPS Will Ignore Today's Leap Second, But Some User Equipment Might Not
As usual, a leap second that will be introduced into the universal time coordinated (UTC) system at 11:59 p.m. tonight (June 30, 2015) may cause some difficulties with devices and services that derive UTC via the Global Positioning System. (more)
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eLoran Signal Tests Start, Could Demonstrate GPS Backup Alternative
With worries mounting about jamming and other disruptions of GPS signals, officials took a step Friday (June 19, 2015) toward possibly establishing a backup for satellite navigation users in the U.S. (more)
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