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Compass/Beidou

GNSS and Positioning for the Future Workshop
June 23, 2012

GNSS and Positioning for the Future Workshop

Northern Jutland Peninsula

A seven day workshop on GNSS and Positioning for the Future will be held at a Jutland (North Sea) resort in Denmark from August 27 through September 2, 2012. It is open all those with an interest in satellite positioning and navigation but limited to the first 50 registered participants.

The workshop will cover GNSS basics, new satellite navigation systems, arctic navigation, intelligent transportation systems and environmental monitoring, with lectures by international experts in those fields. The program and full list of lecturers are available on the event website.

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By Inside GNSS
How do GNSS-derived heights differ from other height systems?
May 24, 2012

How do GNSS-derived heights differ from other height systems?

FIGURE 2: Example of a national geoid (upper diagram) and a correction surface for the transformation from the new orthometric height system to the old height system (lower diagram). Country is Switzerland. Geoid undulations range from 45 to 55 meters in ETRS89 and from -5 to +5 meters in the national System CH1903+. Lower diagram: Correction surface to transform from the new orthometric height system (LHN95) to the old height system LN02 with corrections from -0.10 to 0.55 meters.

Q: How do GNSS-derived heights differ from other height systems?

A: Height estimation using GNSS always seems to be trickier than horizontal coordinate estimation.

Why?

On the one hand, the GNSS technique has error sources that are more critical in the vertical direction. Height estimates are weaker because of a combination of satellite geometry, the presence of strong correlations to other parameters, such as atmospheric delays, and the antenna phase center model applied during data analysis.

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By Inside GNSS
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IEEE ICRA 2013: International Conference on Robotics and Automation
May 22, 2012

IEEE ICRA 2013: International Conference on Robotics and Automation

The Pyramid, a Karlsruhe landmark

IEEE’s giant robotics conference comes to Karlsruhe, Germany in 2013, with the theme "Anthropomatics-Technologies for Humans."

The event will take place at the Karlsruhe convention center (Knogresszentrum Karlsruhe) on May 6-10, 2013.

The conference covers every possible aspect of robotics development from body form and movement, programming and learning, hardware and software to lots of positioning, navigation and timing aspects.

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By Inside GNSS
Conference on New Trends and Applications of GNSS

Conference on New Trends and Applications of GNSS

Billed as the "First International Conference" on new trends and applications of GNSS, this new event is sponsored and organized by the Space Science Center at Cairo University.

It will take place at Cairo University in Giza city from September 1 to 4 2012. The conference language is English.

Paper abstracts are due by July 15, midnight Cairo Standard Time. Submit them online at the website below.

With more services and signals, the GNSS landscape is changing and new trends and applications must be considered.

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By Inside GNSS
Korea GNSS Society Conference
May 21, 2012

Korea GNSS Society Conference

One of the natural wonders of Jeju island.

The 2012 Korea GNSS Society (KGS) Conference, previously known as the GNSS Workshop, will be held on November 8 and 9 at Phoenix Island resort on Jeju, Korea.

The general chair is Philho Peter Park, Korea Astronomy and Space Science Institute.

The event has been held since 1994, when Korea’s GPS Technology Council (now GNSS) was established.

While the English language website has some information on deadlines and conference history, information on papers and registration is available in Korean only.

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By Inside GNSS
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China Plans Another BeiDou Dual Launch in August
May 18, 2012

China Plans Another BeiDou Dual Launch in August

Ran Chengqi, director of the China Satellite Navigation Office

China will launch another three satellites for the BeiDou-2 (Compass) system by the end of the year, according to officials speaking today (May 18, 2012) at the China Satellite Navigation Conference (CSNC 2012) in Guangchou.

Meanwhile, in comments quoted by People’s Daily Online edition, the system is expected to be adopted by some of China’s neighboring countries in the next year or two. People’s Daily is the official newspaper of the Communist Party of China.

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By Inside GNSS
IFEN Adds BeiDou-Compass Capability to Its Multi-GNSS Simulator
May 4, 2012

IFEN Adds BeiDou-Compass Capability to Its Multi-GNSS Simulator

IFEN GmbH has announced that the company has enhanced its NavX-NCS multi-GNSS RF constellation simulator product line to support China’s Compass/BeiDou-2 GNSS system.

Together with its WORK Microwave partner, IFEN has added the BeiDou B1 civil signal to its current suite of GNSS signal generation capabilities, which include GPS, GLONASS, Galileo, QZSS, and SBAS. The companies used the modulation scheme and signal specifications outlined in accordance with the latest version of the Compass/BeiDou Signal in Space Interface Control Document.

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By Inside GNSS
China Succeeds with Dual BeiDou-2 Compass Satellite Launch
April 30, 2012

China Succeeds with Dual BeiDou-2 Compass Satellite Launch

Two Beidou-2 MEO satellites go up on a Long March rocket

China successfully launched two Compass satellites into space at 4:50 a.m. Beijing Time on Monday, April 30 (20:50 UTC, April 29).

Designated Compass M3 and M4, these are the 12th and 13th of its second-generation Beidou-2 spacecraft to reach orbit and the second and third middle-Earth-orbiting (MEO) spacecraft launched by China’s GNSS program.

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By Inside GNSS
3rd China Satellite Navigation Conference (CSNC 2012)
April 23, 2012

3rd China Satellite Navigation Conference (CSNC 2012)

Last year’s Satellite Navigation Conference, held in Shanghai.

Opening Day Video (CNTV)

The CSNC, now in its third year, is an open platform for academic exchanges in the field of satellite navigation. Its aim is to encourage technological innovation, accelerate GNSS engineering and boost the development of the satellite navigation industry in China.

The conference will be held May 15-19 2012 at the Poly World Trade Center, Exhibit Hall 6,  in Guangzhou, China.

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By Inside GNSS
U.S. Satellite Export Policy Report Retains GPS Restrictions
April 20, 2012

U.S. Satellite Export Policy Report Retains GPS Restrictions

The Global Positioning System and GPS receivers show up several times as items of special concern in a report to Congress submitted Wednesday (April 18, 2012) by the Department of Defense (DoD) and the Department of State. The subject is discussed in an appendix addressing “China’s Space-related Strategic Goals, Capabilities, and Methods for Acquiring Technology.”

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By Inside GNSS
China Plans Dual Launches of Compass-BeiDou MEOs
April 6, 2012

China Plans Dual Launches of Compass-BeiDou MEOs

News sources indicate that the first Beidou-2 dual launch will take place in April or possibly May. A Long March 3B rocket will carry two middle Earth orbiting (MEO) satellites (M3 and M4) into orbit.

In addition to being the first dual launch of Compass satellites, this will be the first launch of MEO spacecraft since April 14, 2007, when the Chinese GNSS program put the initial second-generation BeiDou satellite into orbit. So far, Compass M1 is the only MEO satellite in the BeiDou-2 constellation.

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By Inside GNSS
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