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GPS EASY Suite II: easy15
January 8, 2010

GPS EASY Suite II: easy15

A frequently asked question about GPS is: How accurate is a GPS-based position? The experienced GPS user knows that a big difference lies between using pseudoranges alone or combining pseudoranges and carrier phases.

The following analysis is partly based on an idea raised in the book, Global Positioning System: Signals, Measurements, and Performance, by P. Misra and Per Enge (See Additional Resources section at the end of this article).

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By Alan Cameron
Trimble Dimensions China User Conference 2009
December 2, 2009

Trimble Dimensions China User Conference 2009

Trimble will hold its first user conference in China on December 15-17 at the Jiuhua Resort and Conference Center in Beijing. It will cover civilian technology only.

The theme "Exploration Has No Boundaries," draws comparisons between 15th century navigator Zhenghe, the 2008 space mission Shenqui, and the use of positioning technology to steer exploration.

Trimble head Steve Bergland will deliver one of the conference keynotes.

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By Inside GNSS
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Vehicle Positioning with GNSS — at the Speed of Sound

Vehicle Positioning with GNSS — at the Speed of Sound

A Topcon Euro 160T mobile control board connected to a laptop computer collects satellite positioning signals used to calculate the North American Eagle’s speed. Photo: Don Talend

A team led by led by Seattle, Washington–area aerospace and computer experts is attempting to break the sound barrier to surpass the world land speed record of 763 miles per hour — and they’re using GNSS technology to help them do it.

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By Inside GNSS
RomaForoRomanoMiliariumAureumwebjpg
October 23, 2009

GNSS Milestones

Rome wasn’t built in a day, and neither was the Global Positioning System.

Nor will the emerging GNSS system of systems arising from the regional and global infrastructures being put in place or modernized today: GPS, GLONASS, Galileo, Compass (Beidou-2), QZSS, GAGAN, IRNSS, EGNOS, WAAS, MSAS, and undoubtedly other acronyms yet to be born.

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Leica Geosystems Announces New Measurement System

Leica Geosystems Announces New Measurement System

Leica Viva from Leica Geosystems is a new-generation measurement system that combines a number of technologies into a portfolio of total stations, GNSS receiver, system controllers and onboard software.

The Viva GNSS suite’s  GS10 and GS15 system controllers can be used for all tasks and setups for GNSS surveying and construction, including all-on-the-pole or backpack rover; mounted on a car, quad or boat; RTK field base station; and long term monitoring sensor.

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By Inside GNSS
Trimble Introduces RTK GNSS OEM Receiver
October 5, 2009

Trimble Introduces RTK GNSS OEM Receiver

Trimble introduced its new Trimble BD970, a real-time kinematic (RTK) GNSS receiver for high-precision and control application, at the ION GNSS 2009 show in September.

Capable of receiving a wide range of commercially available satellite signals, the BD970 receiver is designed to allow OEMs and system integrators to easily add centimeter-level positioning to specialized or custom hardware solutions.

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By Inside GNSS
NovAtel Launches GPS / GLONASS Products at ION Conference
October 1, 2009

NovAtel Launches GPS / GLONASS Products at ION Conference

NovAtel OEMStar

NovAtel Inc. rolled out a series of new products and a firmware upgrade at the Institute of Navigation’s ION GNSS 2009 conference held September 22-25 in Savannah, Georgia, USA.

The Calgary, Alberta, Canada–based GNSS manufacturer announced the launch of their new single-frequency GNSS receiver, OEMStar. The low-cost, 14-channel, L1 receiver measures 46 x 71 millimeters and consumes just 750 milliwatts of power when tracking both GPS and GLONASS signals.

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By Inside GNSS
Fireside GPS
September 19, 2009

Fireside GPS

My history with GPS began during the time of the “Cold War” in what was then Czechoslovakia. In 1975, the ION Journal of Navigation was the only information available to me.  Despite that, my team at the Czech Technical University developed a GPS receiver and measured the position of our faculty in 1984.  In those relatively isolated years, we gained a good deal of experience with GPS signals.

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GeoForm+ 2010 /GeoWAY
September 7, 2009

GeoForm+ 2010 /GeoWAY

GeoWAY, now in its fifth year, will cover intelligent transport systems and satellite navigation. It will take place in Pavillion 1, Hall 1 at the Crocus Exposition Center in Moscow, Russia from March 30 to April 2 2010.

It is one of the four specialized exhibitions of GeoForm+ 2010, the seventh international industrial Forum of geodesy, cartography, navigation, geoinformation systems, engineering geology and geophysics, tunnel and utility systems construction.

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By Inside GNSS
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