SBAS and RNSS Archives - Page 15 of 40 - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

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May 20, 2015

Estimating the Short-Term Stability of In-Orbit GNSS Clocks

Global navigation satellite systems provide position, velocity, and time (PVT) solutions to users whose receivers calculate position based on one-way ranging from satellites. As is well-understood, a key step in the positioning process involves a determination of the difference between the time of signal transmission identified in the satellite’s broadcast navigation message and the time of its reception by user equipment.

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By Inside GNSS
Riding High with EGNOS
May 18, 2015

Riding High with EGNOS

The Pink City from up there. Photo by Peter Gutierrez

Judging from the variety of questions being asked at a recent EGNOS flight demonstration, the European Geostationary Navigation Overlay Service (EGNOS) remains something of a mystery for many of Europe’s leading aviation writers.

EGNOS, you say? What’s EGNOS?

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By Inside GNSS
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GPS Watch Finishes Back in the Pack at Boston Marathon
April 24, 2015

GPS Watch Finishes Back in the Pack at Boston Marathon

Meb Keflezighi midway through 2014 Boston Marathon en route to victory. Wikimedia Commons photo

“Wearable” sensors, the Internet of Things, and GNSS didn’t achieve as high a profile as they might have in the 2015 Boston Marathon held Monday (April 20, 2015). That’s because last year’s winner, Meb Keflezighi, finished eighth behind Ethiopia’s Lelisa Desisa and well off the former’s winning 2014 pace of 2:08:37.
 

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By Inside GNSS
Novatel Launches Multi-GNSS Wideband Antenna
April 23, 2015

Novatel Launches Multi-GNSS Wideband Antenna

NovAtel GPS-704-WB antenna

NovAtel Inc. today (April 23, 2015) launched the GPS-704-WB antenna, a wideband antenna that supports L-band as well as the frequencies of all current GNSS constellations (GPS, GLONASS, Galileo, and BeiDou), including B3 and E6 signals. Customers can use this antenna for GPS-only or multi-constellation applications, providing excellent flexibility for application developers, according to the company.

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By Inside GNSS
GNSS Markets, Standards, and Resilience at the European Navigation Conference
April 14, 2015

GNSS Markets, Standards, and Resilience at the European Navigation Conference

The 2015 edition of the European Navigation Conference (ENC) in Bordeaux last week found the continent’s GNSS community leaving troubles behind and looking to the future, where the world’s dependence on GNSS is greater, the risks higher, and the potential profits ever more tantalizing.
 
Speaking at the opening session dedicated to “the impact of GNSS on the economic sector,” Topos Cluster President Florence Ghiron answered the question in the simplest of terms: “We expect the GNSS market to grow and to include more and more industrial sectors.”
 

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By Inside GNSS
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Bipartisan Bill Would Force Creation of GPS Backup
March 31, 2015

Bipartisan Bill Would Force Creation of GPS Backup

Four leading lawmakers, apparently impatient with the Obama Administration’s less-than-urgent approach to assuring availability of critical navigation and timing resources, have sponsored a bill mandating the Department of Defense institute a backup for the Global Positioning System.

If approved, the National Positioning, Navigation, and Timing Resilience and Security Act of 2015 (H.R. 1678) would give the U.S. secretary of defense three years to establish, an alternative, land-based source for positioning, navigation, and timing (PNT) data.

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By Inside GNSS
Indian Launches Fourth IRNSS Spacecraft
March 28, 2015

Indian Launches Fourth IRNSS Spacecraft

The fourth satellite of Indian Regional Navigation Satellite System, IRNSS-1D, was launched toward its intended geosynchronous orbit (GSO) today (Saturday, March 28, 2015) onboard the Polar Satellite Launch Vehicle (PSLV-C27).

Seven satellites will comprise the IRNSS constellation being developed by the Indian Space Research Organization (ISRO) to provide navigational services. IRNSS will help augment the satellite-based navigation system of India, which is currently under development and will provide navigation, tracking, and mapping services to the South Asia region.

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By Inside GNSS
GSA’s GNSS Market Report #4: The Most Thorough Yet
March 25, 2015

GSA’s GNSS Market Report #4: The Most Thorough Yet

The European GNSS Agency (GSA) unveiled its latest GNSS Market Report today (March 25, 2015) at the Munich Satellite Navigation Summit in Germany.

The fourth and most comprehensive in a series of GSA studies, the 80-page report describes current and projected GNSS receiver sales by volume and value and highlights market opportunities, technology trends, and future developments of GNSS.

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By Inside GNSS
u-blox Announces Profit, Revenue Advances in 2014
March 22, 2015

u-blox Announces Profit, Revenue Advances in 2014

Thalwil, Switzerland–based u-blox reported revenue and profit growth in its most recent annual report, driven by strong sales in its GNSS and wireless chipset and module business.
 
Consolidated revenue was CHF270 million (US$276.7 million) in 2014, a growth of nearly 23 percent compared to 2013 while net profit increased by 39.6 percent to CHF34.4 million (US$35.2 million), representing a 12.7 percent net profit margin for the year.
 

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By Inside GNSS
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