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high precision positioning

July 21, 2014

GNSS & Geohazards

Ken Hudnut, U.S. Geological Survey

For at least two decades, GPS experts, geodesists, and public agencies have been working together to develop high-accuracy, large-scale continuously operating GPS reference stations that provide them the capability to monitor and model crustal deformation, tectonic plate movement, and the effects of geohazards such as earthquakes and volcanic eruptions.

Now, GNSS-augmented advance warning systems are going into place that can give us a crucial margin of safety in the event of an earthquake.

And none too soon.

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By Inside GNSS

Environmental Sensing

In the past 20 years GPS has simultaneously revolutionized both our modern infrastructure (by providing real-time navigation, mapping, and timing support) and our geodetic/surveying capabilities (by providing millimeter/centimeter-level positioning). At this point, most of the GNSS innovations we expect to see in the next decade will come from calculating positions more accurately and faster, while expanding from GPS to use of all available GNSS signals.

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By Inside GNSS
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June 6, 2014

AfricaGEO 2014

City Bowl area of Capetown (photo by Martin Power)

Developing geomatics for Africa with a focus on doing business in Africa and African land reform is the theme of this conference, first held in 2011.

The event will take place at The Cape Town International Convention Centre (CTICC) in Capetown, South Africa on July 1, 2 and 3.

The program consists of plenary and technical sessions, panel discussions, educational workshops on surveying, geo-information, remote sensing and aerial imagery.

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By Inside GNSS
October 8, 2013

ISPA 2013 – Precision Approach and Performance Based Navigation Symposium

The 2013 International Symposium on Precision Approach and Performance Based Navigation will be held at the Maritim proArte Hotel in Berlin, Germany on October 23 – 24, 2013.

The symposium will focus on aircraft approaches and performance based navigation, including approaches using standalone GPS, technological aspects such as GNSS, augmentation systems, radio navigation, and new and emerging navigation services.

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By Inside GNSS
February 20, 2013

Raven Innovation Summit 2013: Precision Agriculture

Eastern South Dakota farmland, Coddington County

The Raven Innovation Summit 2013 will take place at the Sioux Falls Sheraton and Convention Center in Sioux Falls, South Dakota from 3 p.m. on June 4 to 5 p.m. on June 5.

Raven Industries applied technology division develops GPS-guided steering systems and other precision agriculure products. Its electronic systems division (starlinkdgps.com) specializes in GPS navigation signal amplification and connection solutions.

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By Inside GNSS
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September 12, 2012

2012 Trimble International User Conference

Trimble Dimensions, the 2012 International User Conference, will take place at the Mirage Hotel in Las Vegas, Nevada from November 5 to 7.

Early-bird pricing has been extended to September 14.

The annual event targets surveying, engineering, construction, mapping, GIS, geospatial, infrastructure, utilities and field service management professionals who use positioning products developed and sold by Trimble companies. The companies include: Accubid, Applanix, Meridian Systems, OmniStar, Pacific Crest, PeopleNet, Plancal, QuickPen and Tekla.

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By Inside GNSS
July 5, 2012

Single- versus Dual-Frequency Precise Point Positioning

Q: What are the tradeoffs between using L1-only and L1+L2 for PPP?

A: Precise point positioning (PPP) is a technique that can compute positions with a high accuracy anywhere on the globe using a single GNSS receiver. It relies on highly accurate satellite position and clock data that can be downloaded from the International GNSS Service (IGS) or obtained in real-time from a number of service providers, using either the Internet or satellite links.

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By Inside GNSS
June 18, 2012

Leica Geosystems and Locata Extend Technology Partnership

Leica Geosystems Mining and Locata Corporation will continue their exclusive technology partnership in the mine machine automation and mine fleet management markets until at least June 2014. The extension guarantees the ongoing, commercial provision to the global mining industry of the Leica Jigsaw Positioning System (Jps), powered by Locata technology.

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By Inside GNSS
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
April 26, 2012

NASA Backs Test of Real-time GPS Earthquake Mitigation Network

Location of real-time GPS monitoring stations in the western United States that make up part of the Real-Time Earthquake Analysis for Disaster Mitigation Network. The networks stations are overlain on a U.S. Geological Survey seismic hazard map showing areas forecast to have a 10-percent probability of exceeding a certain level of ground shaking within the next 50 years. (Areas in shades of red have the strongest shaking, while areas in green shades have the weakest shaking.) Image credit: USGS/UC Berkeley/Scripps Institution of Oceanography

Evolution of real-time GNSS reference networks and data processing has evolved to the point that NASA-backed researchers believe they can soon implement large-scale demonstration tests to provide earthquake and tsunami alerts to the general public and emergency responders.

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By Inside GNSS
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