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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

GNSS Hotspots

1. WHAT’S LOVE GOT TO DO WITH IT? 
Detroit, Michigan USA 

Inside GNSS • March/April 2014

GPS Modernization Stalls

With the optimism of college-bound seniors touring the Ivy League, GPS managers have been weighing options to dramatically change the GPS constellation. Now, after studying the costs, considering the benefits, and assessing the funding climate, officials have made the starkly fiscal decision to stick close to home and take a few extra years to finish. 

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.

March 18, 2014

FCC’s New E911 Location Requirements Could Boost Positioning Services in General

Rules proposed by the Federal Communications Commission (FCC) to improve the ability to locate cell phone users placing emergency calls from indoors could affect firms providing chipsets and location-focused infrastructure as well as phone companies.

March 18, 2014

FAA May Tap Three Reference Networks to Monitor Civil GPS Signals

Aviation officials are looking at combining data from the Air Force’s planned GPS ground system with services from other monitoring systems  — or even relying on other systems entirely — to save money on monitoring the GPS civil signals.

Working Papers • March/April 2014

Fast and Flexible

Working Papers explore the technical and scientific themes that underpin GNSS programs and applications. This regular column is coordinated by Prof. Dr.-Ing. Günter Hein, head of Europe's Galileo Operations and Evolution.

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.

Inside GNSS • March/April 2014

An Airborne Experimental Test Platform

Unmanned aerial vehicles or UAVs comprise a category of aircraft that fly without a human operator onboard. They are more popularly referred to by the misleading moniker “drones,” which masks the wide variety in their design and capability.

March 13, 2014

AFSC Commander: Suspected Chinese ASAT Weapon could threaten GPS

The head of Air Force Space Command (AFSC) told lawmakers today (March 12, 2014) that the GPS system could be put at risk by what appears to be a new anti-satellite (ASAT) weapon being developed by China.

“The November 2013 U.S.–China Economic and Security Review Commission (report) raises concerns about China’s efforts to militarize space and develop an anti-satellite weapon capability,” Sen. Jeff Sessions, R-Alabama, ranking member on Senate Armed Services Subcommittee on Strategic Forces, told hearing attendees.

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