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Inside GNSS: Engineering Solutions from the Global Navigation Satellite System Community
GPS Galileo Glonass BeiDou Regional/Augmentation
Inside Unmanned Systems
Thought Leadership Series
Regional/Augmentation
Focus
September 23, 2010 - September 25, 2010
Gdynia, Poland
March 29, 2010

European GNSS Supervisory Authority Launches EGNOS Portal

The European GNSS Supervisory Authority (GSA), on behalf of the European Commission, has launched an Internet portal for the European Geostationary Navigation Overlay Service (EGNOS) designed to help developers and entrepreneurs vying for a slice of the emerging satellite navigation market.

The European counterpart to the U.S. GPS Wide Area Augmentation System (WAAS), EGNOS is a satellite-based augmentation system that provides real-time differential corrections and integrity information about GPS operations.

December 8, 2010 - December 10, 2010
Noordwijk, Netherlands
Inside GNSS • May 2010

GPS: The Present Imperfect

SIDEBAR: Four Popular Myths about GNSS
SIDEBAR: To the Rescue: eLoran?

Quietly but surely, positioning, navigation and timing are being taken for granted.

The location information that GPS gives us is now at the heart of our transportation capabilities, distribution industries, just-in-time manufacturing, emergency service operations, not to mention mining, road-building, and farming.

March 17, 2010

Russia to Put 8 CDMA Signals on 4 GLONASS Frequencies

[Corrected March 20] Russia is “close to completion” of a coordination plan for the “whole set of GLONASS signals” that will include eight different CDMA signals on four frequencies, according to Prof. Grigoriy Stupak, deputy director general of the Russian Institute of Space Device Engineering (RISDE) and the general designer for the GLONASS system.

October 26, 2010 - October 28, 2010
Taipei, Taiwan
February 23, 2010

IFEN Simulator Receives Galileo ICD Certification

TÜV SÜD, an independent third-party certifier, has awarded IFEN GmbH an official certificate affirming the conformance of IFEN’s NavX-NCS GNSS RF navigation constellation simulator with the Galileo Open Signal Signal-in-Space Interface Control Document (OS SIS ICD).

Inside GNSS • March/April 2010

Wide-Area RTK

A common assumption in real-time kinematic (RTK) techniques is that the differential ionospheric delay between a GNSS transmitter and each of the roving or reference receivers is negligible. However, increased position uncertainty — spatial decorrelation — is usually allocated to the baseline receivers as baseline distances increase.

A refinement of this assumption comes with the network RTK (NRTK) using a set of permanent receivers to mitigate atmospheric dependent effects, such as the ionospheric delay, over distance.

Ventures • February 3, 2010

JAXA Gives QZSS Satellite a Nickname - “Michibiki"

The Japanese Space Agency has selected a nickname for its first GNSS satellite: “Michibiki.”  JAXA received more than 11,000 entries in its recent contest to raise national awareness of the GPS augmentation program.

The first of three Quasi-Zenith satellites will launch during the Japanese 2010 fiscal year, sometime before March 31, 2011. 

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