September 30, 2013

Harm Claim Thresholds May Be Coming for GNSS

[SIGNALS Exclusive] A group of top frequency experts recommended last week that the Federal Communications Commission (FCC) conduct a pilot test of the concept of "harm claim thresholds" (HCTs), an approach that requires receiver manufacturers to build devices capable of withstanding a predetermined level of interference from users in adjacent frequencies. (more)

Air Force May Delay Phasing Out L2 Semi-Codeless Signal

[SIGNALS Exclusive] The Air Force may hold off on phasing out codeless and semi-codeless access to the GPS L2 signal in light of delays to GPS modernization, experts told attendees at the recent Civil GPS Service Interface Committee meeting. The issue will likely be discussed as part of the formulation of the 2014 Federal Radionavigation Plan. (more)

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Detect and Locate GPS Jamming with Exelis Signal Sentry 1000™

Exelis Signal Sentry 1000™ is a GPS interference detection solution that enables 3D geolocation of interference sources. It provides a web-based visualization tool to support timely and effective actionable intelligence. Signal Sentry 1000 is ideal for monitoring locations where security threats exist such as airports, sea ports and train stations or at any event where a large number of people congregate. [more]

Inside GNSS Correspondent Wins Military Reporters & Editors Contest Award for Coverage of GPS Signal Patent Dispute

Inside GNSS coverage of the GPS intellectual property dispute between the United Kingdom and the United States has won the magazine's Washington correspondent, Dee Ann Divis, another journalism award - this one from the Military Reporters & Editors Association. (more)


Assessing GNSS Receiver Vulnerability in Controlled But Realistic Conditions

Spirent has teamed up with Qascom of Italy, a leading authority in Global Navigation Satellite System (GNSS) signal security and authentication, to develop a test tool that reproduces spoofing attacks in a controlled laboratory environment. The result of this collaboration is expected to be launched commercially later this year. For more information click here.

BeiDou, GLONASS, QZSS Report Development Plans

Russia, which suffered a launch failure in July that cost it three GLONASS-M satellites, plans to launch four more by the end of this year and four more in the latter half of 2014 - part of an overall plan to place a total of 12 satellites into orbit by the end of 2015. (more)


The KVH 1750 IMU is an ultra-compact, high-accuracy 6 DOF inertial sensor ideal for guidance, navigation, & stabilization applications where size, weight, and power consumption must be minimized without sacrificing precision. Leveraging patented KVH technology, the 1750 IMU incorporates the world's smallest precision fiber optic gyro - KVH's DSP-1750 - with very low noise MEMS accelerometers. Result: a high-performance commercial-off-the-shelf (COTS) system with excellent bias stability and repeatability.

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Obama Administration Directive Lifted Limits on NSA Domestic Spying, including GPS Location Data

In 2008, the campaign of President Barack Obama pioneered the use of social media to power his way to the White House. In 2010, the president unleashed the National Security Agency (NSA) to collect and analyze details - including geolocation derived from GPS and other positioning technologies - of billions of American citizens' telephone calls, e-mails, and social media such as Facebook. (more)

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