Posts Tagged ‘Satellite Navigation Systems’

GPS Augmentations For Expand GPS System Capacity

If you need escalating GPS receiver Qualifications, you must add a number of augmentations for GPS receiver system. Every user need best GPS performance for meet their specific requirements for positioning, navigation, and timing (PNT), a number of augmentations to the Global Positioning System (GPS) are available. An augmentation is any system that aids GPS by providing accuracy, integrity, reliability, availability, or any other improvement to positioning, navigation, and timing that is not inherently part of Sat nav systems itself.
Nationwide Differential GPS System (NDGPS): The NDGPS is a ground-based augmentation system driven and maintained by the Federal Railroad Administration, U.S. Coast Guard, and Federal Highway Administration, that provides increased accuracy and integrity of GPS to users on land and water. NDGPS is built to international standards, and over 50 countries around the world have implemented similar methods.
Wide Area Augmentation System (WAAS): The WAAS, a satellite-based augmentation system operated by the U.S. Federal Aviation Administration (FAA), provides aircraft navigation for all phases of flight. Other ICAO standard space-based augmentation systems include: Europe’s European Geostationary Navigation Overlay System (EGNOS), India’s GPS and Geo-Augmented Navigation System (GAGAN), and Japan’s Multifunction Transport Satellite (MTSAT) Satellite Augmentation System (MSAS). All of these international implementations are based on GPS.
Continuously Operating Reference Station (CORS): The U.S. CORS network, which is managed by the National Oceanic & Atmospheric Administration, archives and distributes GPS data for precision positioning and atmospheric modeling applications mainly through post-processing.
Global Differential GPS (GDGPS): GDGPS is a high accuracy GPS augmentation system, developed by the Jet Propulsion Laboratory (JPL) to support the real-time positioning, timing, and orbit determination requirements of the U.S. National Aeronautics and Space Administration (NASA) science missions. Future NASA plans include using the Tracking and Data Relay Satellite System (TDRSS) to disseminate via satellite a real-time differential correction message. This system is referred to as the TDRSS Augmentation Service Satellites (TASS).
International GNSS Service (IGS): IGS is a network of over 350 GPS monitoring stations from 200 contributing organizations in 80 countries. There are other augmentation systems available worldwide, both government and commercial. These systems use differential, static, or real-time methods.
The U.S. Space-Based Positioning, Navigation, and Timing Policy underscores the importance that all global navigation satellite systems and their augmentations be compatible with GPS. The parties agreed to pursue a common, open, civil signal on both Galileo and future GPS satellites, in addition to ongoing cooperation on the GPS-based EGNOS augmentation system.
The United States has a long cooperative connection with Japan on Satellite navigation system. In addition to the Multifunction Transport Satellite (MTSAT) Satellite Augmentation System (MSAS), the parties are working towards developing a GPS-compatible regional satellite “mini-” constellation known as the Quasi Zenith Satellite System (QZSS).
The United States is also consulting closely with India on its development of its GAGAN space-based augmentation system, and with the Russian Federation on compatibility and interoperability between GPS and Russia’s satellite navigation system, GLONASS. Space-based PNT services must serve universal users with transparent interfaces and regular.

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Be the first to comment - What do you think?  Posted by article_directory - August 4, 2009 at 10:10 am

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Michael Jackson — Entertainer to the End

Gary, Indiana, would change forever on August 29, 1958. That is the day that Michael Jackson made his debut. Michael was born into music. His daddy, Joseph Walter Jackson performed with The Falcons, an Rhythm & Blues band. His mom, Katherine Esther Scruse was a devout Jehovah's Witness. Although he had limited success, Joseph would find fame and money on the backs of his children.

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Be the first to comment - What do you think?  Posted by James Ziebarth - July 21, 2009 at 3:51 am

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Michael Jackson’s Turbulent Life

Michael Jackson came into this world on August 29, 1958. He was born in Gary, Indiana. His parents, Katherine Esther Scruse and Joseph Walter Jackson were of modest means. Katherine was a God fearing Jehovah's Witness and Joseph labored in a steel mill. Michael was born into a musical family. Joseph performed with The Falcons, an R&B band.

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Be the first to comment - What do you think?  Posted by J Ziebarth Jimbo365xlm Lee Ziebarth James Lee - July 17, 2009 at 5:34 pm

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