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Inside GNSS • May/June 2014

An Airborne Experimental Test Platform

Although most UAV applications to date have appeared in the military and law enforcement sectors, many important civilian applications exist for these vehicles. Such uses include wildfire surveys, transportation infrastructure inspection, and precision agriculture. Recent advances in guidance, navigation and control (GNC) technology have made these civilian applications possible.

March 31, 2014

Munich Summit 2014 Stages Comeback as Europe’s Preeminent GNSS Event

After an organizational hiccup led to its cancellation last year, the “reloaded” Munich Satellite Navigation Summit 2014 successfully re-established the event as Europe’s leading forum for GNSS policy dialog.

New Builds • March 30, 2014

Spirent Launches All-GNSS, Multi-Regional/SBAS Simulator

Spirent has launched a new generation of multi-frequency, multi-GNSS RF constellation simulator — the Spirent GSS9000.

The GSS9000 supports an extensive range of constellation configurations, from GPS L1 through to multi-GNSS, multi-frequency systems, including classified/restricted signals. Configurations are available that support multi-antennas and multi-vehicles, for example differential GNSS, attitude determination, interference/jamming and spoofing, and controlled reception pattern antenna (CRPA) testing.

New Builds • March 30, 2014

u-blox Releases 4-System Antenna Module

Swiss-based u‑blox has introduced the CAM-M8Q GPS/GLONASS/BeiDou/QZSS antenna module. The module integrates a u-blox M8 satellite receiver IC plus SAW filter, LNA, TCXO, RTC, passives, and a pre-tuned GNSS chip antenna in a 9.6 x 14.0 x 1.95 mm package.

According to the company, the surface-mount antenna module combines low power consumption with high-sensitivity, high jamming immunity, and concurrent GNSS operation (GPS/GLONASS, GPS/BeiDou, or GLONASS/BeiDou), offering a drop-in solution product designers and system integrators.

Thinking Aloud • March/April 2014

Paternity Suit

Don’t be misled by the title. This is not another round of speculation about who should be proclaimed the rightful “Father of GPS.”

Inside GNSS • March/April 2014

New GNSS Signals

The world’s GNSS systems are entering a phase of transformation — modernization of existing systems (the U.S. Global Positioning System and Russia’s GLONASS) and development of new systems (China’s BeiDou and Europe’s Galileo) that benefit from the lessons learned from the original GNSSs.

Notable among the modernization initiatives is an interest in implementing new satellite signal designs. These include the GPS L5, L2C, and L1C signals as well as those signals designed for Galileo and BeiDou. GLONASS designers are also working on modernized signals.

Inside GNSS • March/April 2014

Who’s Your Daddy?

In this article, we will take a look at the various GNSS signals from the perspective of their cost-benefit tradeoffs. First, we’ll look at the evolution of consumer GPS architecture to date — where acquisition speed and sensitivity have been the main drivers of receiver architecture. That architecture has evolved rapidly to take full advantage of the characteristics of the GPS C/A code.

New Builds • February 11, 2014

Spirent Launches SimSAFE to Address GNSS Signal Vulnerability

Spirent Communications today (February 11, 2014) announced the introduction of Spirent
SimSAFE, a software solution that concurrently simulates legitimate GNSS
constellations and spoofed or hoax signals to evaluate receiver 
resilience and help develop counter-measures.

Spirent developed
the software in conjunction with Qascom. Based in Bassano del
Grappa, Italy, Qascom offers services and solutions for GNSS signal
security and authentication.

May 12, 2014 - May 23, 2014
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