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June 30, 2015

U.S. Secretary of Defense Wants to Move Past GPS to MEMS-Based Navigation, PNT Experts Doubtful

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.

Carter, who was tapped to lead the Pentagon in February, appears to have first publicly floated the idea a year ago, about six months after leaving the Department of Defense (DoD), where he had served most recently as deputy secretary of defense, a role that included cochairing the interdepartmental National Space-Based PNT Executive Committee.

June 30, 2015

LightSquared Launches GPS Receiver Tests while Adjacent Band Interference Study Stalls

[Updated July 1, 2015] 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.

LightSquared, the Virginia firm seeking to rezone satellite frequencies to support a nationwide, ground-based, wireless broadband network, expects results this fall.

June 30, 2015

Federal Rail Agency, Google Partner on Rail Crossing Safety with GNSS/Mapping Apps

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.

June 30, 2015

GPS Will Ignore Today’s Leap Second, But Some User Equipment Might Not

As usual, a leap second that will be introduced into the coordinated universal time (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.

Human Engineering • July/August 2015

Valérie Renaudin: Navigating a Life with GNSS

Valérie Renaudin's Compass Points

Geomatics engineer Valérie Renaudin now directs a major research laboratory in Nantes, France, working on the future of personal navigation and intelligent transportation systems (ITS).

Inside GNSS • July/August 2015

Playing by the Rules of World Trade Law

The availability of several GNSSes promises advanced positioning, navigation, and timing services with higher availability and improved accuracy. According to a European GNSS Agency (GSA) market study, nearly 60 percent of receivers, chipsets, and modules already support at least two GNSS constellations, showing that multi-constellation is becoming a standard feature across all market segments. That development brings up questions of law and regulation that require careful handling by GNSS manufacturers, service providers, and policy makers.

November 16, 2015 - November 19, 2015
Miyakomesse, Kyoto, Japan
August 31, 2015 - September 10, 2015
Barcelona, Spain
November 16, 2015 - November 17, 2015
Toulouse, France
New Builds • June 22, 2015

LabSat SatGen GNSS Product Upgraded to Include BeiDou Signals

LabSat has launched a new version of its SatGen V3 software package that enables users to create scenarios for replay through any LabSat simulator and now includes BeiDou.

The software creates either user-generated or imported trajectory files for use with a LabSat GNSS simulator. The addition of the BeiDou B1 signals means that users can now test a device’s design and performance as if it were being used within the operating area of the Chinese GNSS constellation – which at present only provides full coverage in Asia.

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