March 16, 2015

DHS, NIST Make Progress on Protecting GPS

[SIGNALS Exclusive] Two agencies charged with helping protect America's critical infrastructure are working on ways to safeguard GPS receivers, particularly those used to tap the signal for essential timing data. (more)
<http://www.insidegnss.com/node/4440>

Renewed Spectrum Fight Emerges between GPS, LightSquared at ABC Workshop

Spectrum-related tensions reemerged during a workshop on March 12 organized to gather feedback on a testing plan to help protect GPS receivers. (more)

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Second Galileo FOC Satellite Reaches Corrected Orbit

The European Space Agency (ESA) announced March 13 that the second Galileo full operational capability (FOC) satellite launched into the wrong orbit last August has now entered its corrected target orbit, which will allow detailed testing to assess the performance of its navigation payload. (more)

Interest Grows in GPS III Follow-On Competition

The Air Force is working on a creative acquisition strategy to ensure there is a vigorous competition to build the next tranche of GPS III satellites, says a key acquisition official. (more)

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5 Critical Performance Factors to Know When Choosing a Gyro or IMU

Designers and engineers need to compare the attributes of various gyro technologies to determine which sensors offer the required performance parameters. The valuable information in this guide compares gyro and inertial measurement technologies of both fiber optic gyros (FOGs) and Micro-Electro-Mechanical Systems (MEMS) using five distinct critical performance areas of industrial and tactical grade gyros.
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UAV Want List (with GNSS Already on Board): A Coherent Regulatory Framework for Europe

Just as you do when you get in your car, the UAS, UAV, drone, RPAS and even ROAV communities - who probably need to agree on an acronym - are beginning to take GNSS for granted. But presenters at the AUVSI Unmanned Systems Europe 2015 conference in Brussels had little to say on the subject, to our great disappointment, even though virtually all of the vehicle/vessel systems under discussion use it and need it. (more)

Australian Aviation Agency Launches Trial of GNSS-Aided Aircraft Tracking

Airservices Australia and Inmarsat have announced that they would lead trials of a GNSS-aided aircraft tracking system to improve surveillance of aircraft over ocean regions. (more)

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