A: System Categories Archives - Page 159 of 199 - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

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FCC Campaign Goes After GPS and Cell Phone Jammers
February 17, 2011

FCC Campaign Goes After GPS and Cell Phone Jammers

Website at http://www.jammer-store.com/gps-blockers-jammers.html

The  Enforcement Bureau of the U.S. Federal Communications Commission has announced new efforts to clamp down on the marketing, sale, and use of illegal cell phone and GPS jamming devices.

On February 9, the Bureau released two enforcement advisories and a downloadable poster on cell phone and GPS jamming that warn consumers, manufacturers, and retailers (including online and Web-only companies) that the marketing, sale, or use of such jamming devices is illegal.

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By Inside GNSS
Hemisphere GPS: China OEM Alliance, New GPS Compass Products
February 16, 2011

Hemisphere GPS: China OEM Alliance, New GPS Compass Products

H102 GPS Compass

Hemisphere GPS has announced an OEM alliance with a Chinese manufacturer of agricultural, construction, and power machinery equipment as well as the release of two compact GPS compass products.

The Calgary, Alberta, Canada–based company’s alliance with YTO Group Corporation, headquartered in Luoyang City, China, is part of Hemisphere GPS’s to expand its operations in the international realm.

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By Inside GNSS
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Spectracom Launches GSG-55 GPS/SBAS Constellation Simulator
January 30, 2011

Spectracom Launches GSG-55 GPS/SBAS Constellation Simulator

Pendulum GSG-55 Simulator

Spectracom has announced its new 16-channel GPS constellation simulator, the Pendulum GSG-55.

The latest in the Pendulum line of GPS receiver test instruments, the GSG-55 is able to simulate Satellite-Based Augmentation Systems (SBAS), such as the U.S. Wide Area Augmentation System and the European Geostationary Navigation Overlay Service (EGNOS).

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By Inside GNSS
JAXA Selects Spirent Simulator for QZSS Receiver Testing

JAXA Selects Spirent Simulator for QZSS Receiver Testing

Spirent Communications’ Positioning Technology Division, Paignton, UK, has announced that the Japanese Aerospace Exploration Agency (JAXA) has selected Spirent’s GSS8000 Multi-GNSS Constellation Simulator to support further development of the Quazi-Zenith Satellite System (QZSS) program.

Responsible for the development of the initial QZSS user equipment, JAXA is using the GSS8000 to verify QZSS receiver performance.

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By Inside GNSS
GPS/ GNSS Community Feels New Telecom Interference Threat from LightSquared

GPS/ GNSS Community Feels New Telecom Interference Threat from LightSquared

In his State of the Union address on January 25, President Obama held up the Global Positioning System as a prime example of government providing “cutting-edge scientists and inventors with the support that they need” to create world-leading, job-creating innovation.

The following day, the Federal Communications Commission (FCC) International Bureau approved a conditional waiver allowing LightSquared Subsidiary LLC to build tens of thousands of terrestrial transmitters for wireless communications in frequencies on either side of the GPS L1 band.

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By Inside GNSS
Lockheed Martin to Test GPS III in Virtual World
January 25, 2011

Lockheed Martin to Test GPS III in Virtual World

Collaborative Human Immersive Laboratory (CHIL) illustration (Lockheed Martin)

GPS III contractor Lockheed Martin has integrated several virtual reality technologies in a new Collaborative Human Immersive Laboratory (CHIL) in Littleton, Colorado, which will be used to validate and test next-generation GPS and other space programs.

With CHIL, Engineers and technicians can explore satellite designs and functions, troubleshoot and fine-tune them in a virtual world before building them in physical space.

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By Inside GNSS
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Three GPS Satellites Moved Into New Positions for More Robust, Accurate Signals

Three GPS Satellites Moved Into New Positions for More Robust, Accurate Signals

(Update June 15, 2011 Inside GNSS) Completion of Satellite Repositioing Optimizes GPS Constellation

By next June, the United States GPS constellation will attain the most optimal geometry in its nearly 33-year history. Over time, that means a more robust signal, more accuracy and more reliability in GPS-challenged environments.

The 50th Space Wing is in the middle of maneuvering six GPS satellites into more favorable positions. The two-phase operation, called "Expandable-24"  is halfway to completion.

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By Inside GNSS
GLONASS: Bumpy Road
January 24, 2011

GLONASS: Bumpy Road

After technical and political setbacks, Russia gets ready to launch its first CDMA-equipped satellite in February.

Russia’s GNSS program started off the year recovering from a series of setbacks that resulted in the dismissal of two space officials in the wake of the December 5 launch failure of three GLONASS-M satellites.

The postponed launch of the next-generation GLONASS-K demonstration spacecraft in 2010 meant that the program ended up the year with four fewer satellites in orbit than expected.

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By Inside GNSS
Galileo Mid-Term Review Foresees €1.9 Billion in Additional Costs
January 18, 2011

Galileo Mid-Term Review Foresees €1.9 Billion in Additional Costs

Antonio Tajani, EC Vice-President. EC photo

A European Commission (EC) communication sent to the European Parliament and European Council today (January 18, 2011) estimates that completing a fully operational capability (FOC), 30-satellite Galileo system and the European Geostationary Navigation Overlay Service (EGNOS) will cost an additional €1.9 billion above the €3.4 billion already allocated.

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By Inside GNSS
2011 Space Weather Workshop
January 17, 2011

2011 Space Weather Workshop

Forecasters at NOAA’s Space Weather Prediction Center (NOAA photo)

The annual Space Weather Workshop will take place on April 26-29 2011 in Boulder, Colorado.

Program organizers call it the "meeting of science, research, applications, operations and users." The program highlights space weather impacts in several areas, including
communications, navigation, spacecraft operations, aviation, and
electric power. 

Recent progress in large-scale modeling efforts will
be featured; while new developments in Sun-to-Earth coupled modeling systems
will also be a highlight.

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By Inside GNSS
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