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GNSS and Ubiquity

GNSS and Ubiquity

Chris Rizos, University of New South Wales

GNSS is in a class of its own and the positioning/navigation/timing (PNT) technology of choice for most applications. Why wouldn’t we always use it?

It is affordable, it is a mature technology with many form factors, and its level of performance spans several orders of magnitude — millimeters to meters. There are a bewildering number of permutations of user equipment, augmentation solutions, processing algorithms, and operational procedures to choose from.

However. . . .

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By Inside GNSS
Markets and Multi-Frequency GNSS
January 23, 2013

Markets and Multi-Frequency GNSS

FIGURE 1: Proposal to have a single chip GNSS receiver with additional pins to allow for the inclusion of an additional radio

Q: What will limit the spread of multi-frequency GNSS receivers into the mass market?

A: To set the scene, we need to define our terms of reference. By multi-frequency we mean receivers that operate with navigation signals in more than just the standard upper L-band from about 1560–1610 MHz where we find GPS L1, Galileo E1, Compass B1, and GLONASS L1. The obvious additional frequency is the lower L-band, from about 1170 to 1300 MHz, where again the same four constellations have signals.

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By Inside GNSS
EGU General Assembly 2013: European Geosciences Union
January 21, 2013

EGU General Assembly 2013: European Geosciences Union

The 2013 European Geosciences Union General Assembly and exhibition will take place in the Austria Center Vienna (ACV) from April 7 through April 12.

The event attracts more than 11,000 geoscientists from all over the world. The official language is English. The early registration deadline is March 13. The program will be available after March 25.

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By Inside GNSS
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2013 Geospatial World Forum

2013 Geospatial World Forum

The 2013 Geospatial World Forum and industry exhibition will be held at the Beurs – World Trade Center in the international port city of Rotterdam on May 13-16.

This year’s theme is "Monetizing Geospatial Value and Practices." The keynote speakers are Chris Gibson, vice president of Trimble and Mark Reichardt, president and CEO of the Open Geospatial Consortium (OGC).

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By Inside GNSS
United Nations/ Croatia Workshop on GNSS Applications

United Nations/ Croatia Workshop on GNSS Applications

This five-day workshop is one of several sponsored by the Office for Outer Space Affairs of the United Nations in various European countries.  The workshops will give participants an overview of GNSS systems and applications with the aim of strengthening a network of national reference stations and promoting the interoperability of navigation, positioning and timing systems in the region.

The UN/Croatia workshop will take place on Baška, Krk Island on April 21-25, 2013.
It is free.

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By Inside GNSS
GENIUS Workshop: GNSS Integrity Monitoring
January 20, 2013

GENIUS Workshop: GNSS Integrity Monitoring

A free three-day program on "GNSS Integrity Monitoring" will take place at Ecole Nationale de l’Aviation Civile (ENAC) at 7, Ave. Edouard Belin in Toulouse on June 18, 19 and 20, 2013.

This is third course in the EU’s GENIUS project series of 3-day GNSS training programs for professionals. Five are scheduled in 2013 and five in 2014.

The instructors are Dr. Christophe Macabiu, head of ENAC’s Telecom lab, Dr. Anaïs Martineau, head of the Electronics, Electromagnetism and Signal division of ENAC and Prof. Carl Milner, also of ENAC Telecom lab.

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By Inside GNSS
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GENIUS Workshop: Fundamentals of GNSS

GENIUS Workshop: Fundamentals of GNSS

The European Commission and the European GNSS Agency (GSA) introduce the GENIUS project’s series of 3-day GNSS training programs for professionals. Five are scheduled in 2013 and five in 2014.

The first program is "Fundamentals of GNSS." It will take place at GSA headquarters in Prague on March 4,5 and 6, 2013.

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By Inside GNSS
UrsaNav to Buy Megapulse Assets including Loran-C and GPS Backup Candidate eLoran

UrsaNav to Buy Megapulse Assets including Loran-C and GPS Backup Candidate eLoran

UrsaNav, Inc. has finalized an agreement to acquire the assets of Loran-C pioneer Megapulse, Inc., of Bedford, Massachusetts, with the transaction expected to close this quarter.

Megapulse’s general area of business is low-frequency (LF)
radionavigation, position-fIxing, orientation, and time transfer
systems, with primary product and service lines in Loran and enhanced
Loran (eLoran). Since the 1970s, all Loran transmitter systems installed
were of Megapulse design.

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By Inside GNSS
Royal Institute of Navigation NAV Series: GNSS Vulnerability
January 17, 2013

Royal Institute of Navigation NAV Series: GNSS Vulnerability

GNSS positioning, navigation and timing applications are vulnerable to malicious, accidental and space weather threats – but what can be done?

Rear Admiral Nick Lambert will keynote this one-day seminar on threat detection and mitigation techniques for civil use at the National Physical Laboratory, Hampton Road, Teddington on February 13.

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By Inside GNSS
European Navigation Conference 2013
January 9, 2013

European Navigation Conference 2013

In 2013, the annual European Navigation Conference and industry exhibition will be organized by the Austrian Institute of Navigation (OVN) and will take place at the Austria Center Vienna from April 23 through April 25. The lectures and sessions will be held in English.

The theme is Navigation – Expanding Our Horizons

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By Inside GNSS
Receiver standards? January 22 webinar discusses why, what and how
January 8, 2013

Receiver standards? January 22 webinar discusses why, what and how

Do we need performance specs for GNSS user equipment design? For a long time, the signal-in-space interface guidelines provided enough technical guidance. But times have changed.

Over the past two years, the effort by LightSquared to persuade the FCC to allow it to operate high-powered terrestrial transmitters in frequencies adjacent to GPS focused attention on potential vulnerabilities of GNSS user equipment.

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By Inside GNSS
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