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Inside GNSS magazine • Volume 2, Number 4

May/June 2007

Online News, Articles, and Features

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GNSS World

Speaking with Authority: Galileo's Lead Agency in a Changing World

New boss in town? The GNSS Supervisory Authority and Galileo.

Articles

Compass MEO Satellite Signals

Initial Observations and Analysis

The People's Republic of China is beginning to look like a GNSS service provider in a hurry. The nation has already launched two satellites this year for its Compass system - the most recent on April 13, a middle earth orbiting (MEO) spacecraft that quickly began broadcasting signals. A team of researchers at the French Space Agency, CNES, have taken a close look at three of those signals. Here's what they saw.

Hope beyond the Hype

GNSS and Location-Based Services

Badly burned by the dot.com meltdown a few years ago, would-be providers of location-based services have carefully been finding their way back to the consumer marketplace. Amid the search for viable LBS business models, killer apps, and customers, positioning technology seemed like the easy part. But it's harder than it looks, and GNSS is only one piece of the LBS puzzle.

Opening the GATE

Germany’s Galileo Test and Development Environment

Germany is taking advantage of its rugged Alpine mountains, which usually pose an obstacle to GNSS signals, to install transmitters that broadcast Galileo signals for use in testing receiver equipment in the field.

Columns & Editorials
Thinking Aloud

Don't Look Back

Discarding Galileo's Public-Private Partnership

So, anyway, about this likelihood of the European Union discarding the public-private partnership (PPP) concept for Galileo. People seem pretty nervous about it. Others are gleefully ready to say “I told you so.” Still others are looking for political cover.
But it’s really just business as usual. . .

Working Papers

Envisioning a Future: GNSS System of Systems, Part 3

A Role for C-Band?

Radio frequency is a scarce commodity. No one’s making any more of it. L-band, the home for most GNSS signals, is particularly crowded. Some suggest that C-band, where Europe has filed for an allocation, could be an upscale solution. But will it cause more problems than it solves?

GNSS Solutions

Host-Based Processing and Choosing Inertial Sensors

Human Engineering

Ruth Neilan: The Global Grid Master

If IGS Director Ruth Neilan had just one magic GNSS wish, it would be that everyone understood the importance of tying into the international grid.

360 Degrees
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