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Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
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Inside GNSS magazine • Volume 1, Number 6

September 2006

Online News, Articles, and Features

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Cover Story

BOC or MBOC?

The Common GPS/Galileo Civil Signal Design: A Manufacturers Dialog, Part 2

Inside GNSS asked receiver designers at a cross-section of GNSS manufacturers what they thought about the binary offset carrier (BOC) and mutiplex BOC (MBOC) designs proposed for the GPS L1C and Galileo Open Service signals. In the conclusion of this two-part series, they talk about the implications for product designs, applications, and end users.

Features
Human Engineering

The Two Worlds of Philip Mattos

Electronic engineer Philip Mattos loves the English countryside and mows his field with technology no more sophisticated than a 1948 tractor – meanwhile, the skies above his head are full of GNSS technology for which he has been designing products over the past 30 years.

Galileo Services

Industry’s Role in Building Galileo Markets

“Downstream” GNSS manufacturers and service providers aren’t waiting for the Galileo systems to come on-line. In partnership with the European Space Agency  and European Commission, they’re conducting demonstration projects to help identify future applications markets, including electronic road tolling and other uses requiring high-precision mapbases and signal authentication.

Article
Technical Article

Development Update

Navigation and Positioning in China

During the past 15 years, China has steadily accelerated its activities in the realm of satellite navigation and positioning. Researchers from leading GNSS engineering centers in Wuhan provide an overview of these efforts.

Columns & Editorials
GNSS Solutions

Atomic Clocks on Satellites and Mitigating Multipath

Thinking Aloud

The Future Is Now

No bad decisions in the BOC/MBOC debate

If all goes well, Galileo will have a full constellation of satellites up in five or six years. But the GPS L1C signal that would use BOC or MBOC won’t even begin launching until 2013, and many years will have to before the old signals are replaced. Given those respective modernization timelines, the bilateral agreement left it up to Europe to decide — BOC or MBOC? — and the United States would follow.

Working Papers

The Galileo Code and Others

The advent of Europe’s Galileo system and introduction of new GPS signals stimulated a re-examination of the subject of codes, buttressed by advances in electronics that allowed new approaches to implementing codes in a GNSS receiver. This column explores the growing categories of codes, their production, and the qualities that make them suitable for use in GNSS systems.

Player Pianos, Sex Appeal, and Patent #2,292,387

360 Degrees
New Products
50 • Receiver Technology

Magellan GG24-E2 GPS+GLONASS receiver

51 • Receiver Technology

BAE Systems Rokar, NT4RLG GPS board

52 • Receiver Technology

Trace Technologies A-GPS

Signals
Trimble
Trimble
Jammer Dectector
Sensonor
Spectracom
CAST
NovAtel
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