Latest News-
AFSPC Exceeds Global Positioning System (GPS) Standard
May 26th 2009
(Via GPSDaily.com)
The U.S Air Force and Air Force Space Command (AFSPC) have been the diligent stewards of GPS since its conception in the 1970s and continue its commitment to this critical component of our National Infrastructure.
"Let me state emphatically - since we declared Full Operational Capability in 1995, the Air Force has maintained the constellation above the required 24 GPS satellites on orbit at 95 percent. In fact, we have achieved sub-three meter accuracy," said General Kehler.
"The Air Force has been a good GPS steward continually providing 'better than expected' service to our GPS users. At this point, we foresee no significant loss of service in the future, near or far."
Russia Glonass System To Get Full State Support
(Via GPSDaily.com)
Russia will not cut funding for its Glonass satellite navigation program despite the current economic crisis.
Glonass - the Global Navigation Satellite System (the Russian equivalent of the U.S. Global Positioning System), currently consists of 20 satellites. The system requires 18 satellites for continuous navigation services covering the entire territory of the Russian Federation.
Six new Glonass satellites will be added to the network in 2009. Head of Russia's Federal Space Agency, Anatoly Perminov, earlier said the number of satellites in the Glonass network would be increased to 30 by 2011.
Steam powered GPS - on a train
EPIRB rescues documented
The NAVSTAR Global Positioning System (GPS) is now officially 31 years old (as of 22 February 2009). The system launched its first satellite in 1978, and has evolved to the point where it exerts global strategic and economic influence, by its provision of positioning services anywhere on the globe. The system is owned and operated by the US Defence Department.
In order to ensure independent access to positioning services, Galileo is the equivalent European navigation satellite system, currently in design and test stages. It will offer highly accurate positioning services to nomad users. It will be interoperable with the US Global Positioning System (GPS) and Russia's Global Navigation Satellite System (Glonass), the two other global satellite navigation systems.
Navigating around Cities 
Report on "over the horizon" GPS - how extra data can control driving efficiencies.
Making Digital Maps More Current And Accurate
by Staff Writers
Paris, France (SPX) Feb 10, 2009
European researchers have designed an innovative new system to help keep motorists on the right track by constantly updating their digital maps and fixing anomalies and errors.
The 'oddly enough' sections of newspapers regularly feature amusing stories of GPS mayhem. For instance, one lorry driver in Poland had such confidence in his positioning device that he ignored several signs warning that a road had been closed to make way for an artificial reservoir and drove straight into the lake!
In addition to providing a cautionary tale about investing too much faith in technology, this amusing anecdote highlights a more mundane and daily challenge: how to reflect the constantly shifting topography of Europe's road network. In addition, advanced driver assistance systems (ADAS) - such as adaptive cruise control (ACC) and lane-keeping systems (LKS) - are beginning to make more extensive use of digital maps.
Given the safety dimension of ADAS applications, it is crucial that digital maps are highly accurate.
Ground-level input
The assumption behind some systems such as ActMAP is that the supplier is responsible for all updates. However, this approach overlooks a valuable source of information: the motorists who use the navigation systems themselves. If anomalies found by road users could be automatically sent to the supplier, this could be used as a valuable supplementary source of information to iron out irregularities in maps and beam them back to the users.
This bottom-up approach is the basic premise of FeedMAP, which has been designed to work in a loop with ActMAP. This means that, when the reality on the ground does not correspond with the digital map in the system, these so-called map deviations are automatically compiled into a map deviation report which is picked up by roadside sensors and relayed back to the supplier. The driver can also report anomalies (s)he encounters manually.
"Of course, FeedMAP will obviously not act as an unconditional map update generator. The last verification will always remain to be done by the map centres using their other sources of information," notes Maxime Flament of ERTICO - ITS Europe, a multi-stakeholder organisation pursuing the development and deployment of intelligent transport systems and services.
FeedMAP's versatility and potential for fine-tuning means that it not only can help keep maps up to date, but it can also be used in numerous ADAS applications, including adaptive speed recommendations which advise drivers about speed limits on the road ahead, and speed deviation detection which updates recommended speeds based on feedback from actual driver behaviour.
FeedMAP can also be integrated into fuel-saving applications, which will be good for the environment and good for motorists' wallets as well.
The road to market
The system has been extensively tested and FeedMAP was found to be both technically and commercially feasible. "Based on already existing business models, the FeedMAP concept can be brought to market," concludes Bengt Thomas of NAVIGON, a partner in the project. "The clear benefit for map suppliers is the availability of a constant stream of deviation reports to improve their map quality. As the improvements will be shared with all customers, it will result, in the longer run, in better map products for the whole market."
The FeedMAP partners considered three possible business models. The most promising one, which they believe is worth pursuing, focuses on bundling FeedMAP with the other services already offered by car manufacturers, while the actual management of the data and updates would be carried out by so-called FeedMAP service centres.
"Automotive manufacturers already offer connected services in their vehicles, therefore the basic communication infrastructure is available for sending and receiving map data," says Jan Loewenau of BMW Research and Technology.
FeedMAP partners - including Daimler, BMW, Volvo Trucks and FIAT's research centre - are so positive about the results of the project that they have decided to run with it by integrating it into the ActMAP system.
"The complete FeedMAP/ActMAP loop of map data is the next cornerstone for map-based applications, such as navigation and ADAS safety," concludes Flament.
FeedMAP was funded by the ICT strand of the EU's Sixth Framework Programme for research.
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