- Crowded Skies May Benefit Contractors
When we talk about the "global positioning system" or GPS, we usually mean the NAVSTAR-GPS satellite constellation — the NAVigation System with Timing and Ranging — Global Positioning System. NAVSTAR-GPS belongs to the U.S. Department of Defense, has 24 working satellites and is used by all satellite-based earthmoving systems. Orbiting ......
- Galileo gets the green light.
EUROPEMEDIA-(C)2002 Van Dusseldorp & Partners - http://www.vandusseldorp.com/ The EU has agreed on to give the go-ahead to Galileo, a European satellite navigation network that would rival the US Global Positioning System (GPS). Spanish Prime Minister Jose Maria Aznar made the announcement at the EU Economic Summit in Barcelona. Galileo would ......
- GPS Troubleshooting
As the U.S. prepared for war with Iraq, electrical engineers who monitor GPS satellites knew something was going on. Dilution of Precision (DOP) numbers, which are a calculation of GPS constellation accuracy, were going haywire in North America. DOP would deteriorate to the point of making GPS guidance unusable, only ......
- Backing up with Loran-C.
A midst the current trends of Global Navigation Satellite Systems (GNSS) especially with Galileo scheduled to be launched in three years' time, the re-introduction of Loran-C by Trinity House might seem like a step backwards. Although Loran-C predated GPS it did not get universal take-up. The USA's GPS and Russia's ......
- Tennessee Orders New GNSS Package
The Tennessee Department of Transportation soon will begin using a new Global Navigation Satellite System (GNSS) that is designed to harness signals from the current GPS and GLONASS satellite-positioning systems, as well as from the planned Galileo system. At present, this means that the state will have access to more ......
- DGNSS reception gets a boost.
An L-Band satellite demodulator will be revealed this month by Veripos, to provide better reception for Differential Global Navigation Satellite Systems (DGNSS) augmentation signals. Its SD 100R unit will handle both high and standard power signals and is intended for use with the company's DGPS networks in Europe, Canada, the ......
- High Tech 2007: GPS Is Where It's At
GPS personal navigation systems have already begun to make their place in the incentive market, with many programs now offering some form of device that can offer directional assistance to drivers. But few people actually understand how the technology works.