TAG: EGNOS

Update on EGNOS and GAGAN SBAS Satellites

August 2, 2012By

The EGNOS SES-5 geostationary satellite launched July 9 has arrived at its orbital sot. Meanwhile, India's GAGAN satellite GSAT-10 arrives at its spaceport for launch. read more

The System: British Patent Filings Threaten GPS III and Galileo Progress

July 1, 2012By

Two British technologists backed by the U.K. Ministry of Defense have filed patents on the future interoperable GPS and Galileo signal designs that severely disrupt modernization plans for both systems and suddenly, unexpectedly place receiver manufacturers in a highly uncertain and unfavorable situation. Some of the patents have been granted in the U.K. and in Europe, and applications are pending... read more

This article is tagged with , , , , and posted in Galileo, GNSS, GPS Modernization, The System

Reminder: Leap Second This Weekend

June 29, 2012By

News courtesy of CANSPACE Listserv. Likely none of us needs a reminder as the upcoming leap second has been all over the news outlets for the past few days. But just to provide the details again, read this article. Presumably, all GPS receiver manufacturers have checked to make sure their receivers will handle the leap second properly. However, at least... read more

This article is tagged with , and posted in Featured Stories, Signal Processing, Timing

UPDATE: EGNOS Satellite Launch Set for August 6

June 21, 2012By

  News courtesy of CANSPACE Listserv. UPDATE: The Interfax news agency has announced that the rescheduled launch date for SES-5 from the Baikonur Cosmodrome, originally scheduled for June 18, is August 6, 2012. The launch is being delayed due to a problem with a first stage subsystem on the Proton launch vehicle. The rocket has been rolled back to the... read more

The System: EGNOS Toolkits Enhance GPS Accuracy

December 1, 2011By

EGNOS Toolkits Enhance GPS Accuracy Free downloadable software Toolkits at www.egnos-portal.eu can help cell-phone and handheld receiver developers enhance location and timing applications with GPS corrrection data from the European Geostationary Navigation Overlay Service (EGNOS) satellite-based augmentation system. The Toolkits include software packages, demo applications, and supporting materials, enabling application developers, researchers, university students, and others to create, use, and... read more

This article is tagged with and posted in BeiDou/Compass, Galileo, GLONASS, GNSS, GPS Modernization, The System

The System: First GPS Intereference Report Sent to FCC

April 1, 2011By

First Overload Interference/Desensitization to GPS Receivers, Systems, and Networks Report to FCC; Plus Save Our GPS Coalition Forms; WAAS Official Again; EGNOS SOL Operational; Russian SBAS Satellite Passes Transponder Tests read more

This article is tagged with , , , and posted in Augmentation & Assistance, The System

Demands of the Road

March 1, 2011By
Figure 3. GNSS performance monitoring using EDAS.

For use in billing drivers in road-user charging schemes, onboard units employing GNSS must meet stringent reliability and availability requirements, and at the same time, be based on low-cost equipment systems. The SIGNATURE unit includes an assistance service which provides ephemeris data and corrections from EDAS, optimized for user location. read more

This article is tagged with , , and posted in Road

EGNOS Gets to Work

February 1, 2011By
Figure 6. Time series of horizontal positioning errors for stand-alone GPS, conventional EGNOS, and position domain EGNOS solutions at HUEG IGS station.

GPS corrections from the European Geostationary Navigation Overlay Service can improve the positioning accuracy and user experience of GPS-enabled mobile phones, even if EGNOS satellites are not visible and even when the GNSS chipset in the phone does not support satellite-based augmentation systems. read more

This article is tagged with , and posted in Augmentation & Assistance, Mobile Devices, Wireless Infrastructure