Retiring GPS Base Stations

Since GPS found its way into positioning, differential processing has beentheway to high precision. Technological advances and large-scale international collaboration have now made it possible to get sub-decimetre accuracy (95%, 3D) without reference stations. Terratec is aiming to be the technology leader in this new way of positioning.<P> The use of reference station services, or even ones own reference stations, has been part of the game for most hydrographic surveyors for almost two decades, and for some applications it will still be the preferred solution. Even though GPS satellite signals have remained more or less unchanged since the system was... (read more)
2008-01-19 12:00:00

Hemisphere GPS Awarded

At a gala awards presentation on 24th October 2008, Hemisphere GPS was announced winner of the Alberta Science and Technology (ASTech) Leadership Foundation Award for its outstanding commercial achievement in science and technology in the businesses over USD25 million category. The ASTech Awards are among the highest honors available to individuals and organisations whose outstanding work has had an impact on science, technology, business, medicine, the environment and the lives of people in Alberta and worldwide.   "To receive this type of recognition is icing on the cake for all of us," says Steven Koles, President and CEO of Hemisphere... (read more)
2008-10-30 12:00:26

Hemisphere GPS Introduces Crescent VS100 Series GPS Compass

Hemisphere GPS has introduced the new Crescent VS100 and VS110, a heading and positioning solution for machine control and marine navigation applications including dredging and hydrographic surveying. Hemisphere GPS's Crescent VS100 Series GPS Compass delivers the performance necessary to replace traditional gyrocompasses and other precision heading sensors at a fraction of the cost. Hemisphere GPS' Crescent Receiver Technology supports two separate antenna inputs. Crescent VS100 computes and outputs heading and either pitch or roll angles by processing the data between the two antennas using a single GPS receiver. The receiver features status lights with a menu and display system simplifying... (read more)
2007-05-01 12:00:00

Hemisphere GPS Awarded Two New GPS Technology Patents

Hemisphere GPS (Canada) has been awarded two new patents for innovative technology.The Method and System for Synchronizing Multiple Tracking Devices for a Geo-Location System patent (U.S. Patent No. 7,292,186) enables more robust and cost effective heading by using a single processor to compute heading from multiple GPS receivers. Hemisphere GPS's Attitude Determination Exploiting Geometry Constraints patent (U.S. Patent No. 7,292,185) increases the speed and reliability of Real-Time Kinematic (RTK) solutions for multiple antennas at known distances from each other.  The entire system can be moving or stationary while computing the RTK solutions.   Hemisphere GPS customers are already reaping the... (read more)
2007-11-28 12:17:23

69% Growth for Hemisphere GPS

For the third quarter 2007, Hemisphere GPS reported revenues of $9.5 million, an increase of 69% as compared to $5.6 million in the third quarter of 2006. Sales increased in all product areas. Strong growth in North American and international markets was driven by increased cash flow within agricultural operations.   Hemisphere are experiencing very strong momentum in key markets: air, marine and agriculture. International sales increased significantly in the third quarter including South America and Australia which benefited from higher commodity prices earlier in 2007 following the Southern Hemisphere harvest. International sales delivered healthy growth of 92% (103% in... (read more)
2007-10-25 01:18:48

Galileo and GPS Synchronise Watches

To ensure the early interoperability of Europe’s satellite navigation with GPS, the four Galileo satellites have begun broadcasting the ‘offset’ between the parallel navigation systems’ timings, accurate to a few billionths of a second. With satellite navigation based around the highly accurate measurement of signal times, both Galileo and GPS have their own internal reference time systems used to synchronise all system clocks and signals. The problem is that these time systems are not quite identical, with Galileo System Time being around 50 nanoseconds or less apart from GPS time. A nanosecond is only a billionth of a second, corresponding... (read more)
2013-05-07 04:31:11

Septentrio: From GPS to GNSS

Versatile GNSS Receivers for Industrial Applications
Septentrio has from its inception embraced new possibilities in satellite navigation and offers satellite navigation receivers for professional markets, while preparing users for the possibilities of Global Navigation Satellite Systems (GNSS) of tomorrow. These are exciting times in satellite navigation. While the abolition of selective availability for GPS has fuelled a growth in use of satellite navigation technology in both professional and consumer applications, new satellite navigation signals and systems are reshaping the satellite navigation landscape. This promises further performance enhancements and new and expanded applications, whilst the past decade has seen a number of important changes: technological evolution in... (read more)
2007-05-31 12:00:00

Hemisphere GPS Announces Centimetre Accuracy

From the 2007 ION GNSS Conference, Hemisphere GPS announced the Eclipse dual-frequency GPS receiver technology. Based on Hemisphere GPS' Crescent L1 GPS technology that incorporates techniques for reducing code measurement noise and mitigating multipath signals, Eclipse delivers reliable centimetre-level accuracy.   The Eclipse board allows OEM customers to integrate it into a wide variety of precise applications including navigation and GPS machine control. Depending upon the application, Eclipse users can record and post-process GPS data or choose from several differential solutions including Real-Time Kinematic (RTK), OmniSTAR(R)  (HP/XP) and SBAS (WAAS, EGNOS, etc.).   As a dual-frequency solution, Eclipse receiver technology... (read more)
2007-09-27 02:30:58

GPS Intellectual Propterty Issue Resolved

The governments of the United Kingdom and the United States of America have reached a common understanding of intellectual property rights related to the Global Positioning System (GPS), and will work together to address broader global navigation satellite systems' intellectual property issues. This understanding is part of a broader shared effort to advance compatibility and interoperability among civil satellite navigation systems and transparency in civil service provision. The two governments affirmed their joint commitment to ensuring that GPS civil signals will remain free and openly available for users worldwide. As part of this effort, the UK is dedicating all government-held... (read more)
2013-01-21 11:11:39

Another Modernized GPS Satellite Launched

A U.S. Air Force Modernized Global Positioning System Block IIR (GPS IIR-M) satellite, designed and built by Lockheed Martin, was launched successfully on 20th December from Cape Canaveral Air Force Station aboard a United Launch Alliance (ULA) Delta II launch vehicle.   Designated GPS IIR-18M, the satellite is the fifth in a series of eight Block IIR-M spacecraft that Lockheed Martin Navigation Systems has modernised for its customer, the Global Positioning Systems Wing, Space and Missile Systems Center, Los Angeles Air Force Base, Calif. The Block IIR-M series includes new features that enhance operations and navigation signal performance for military... (read more)
2008-01-02 11:42:19
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