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Global Positioning System Overview
An excellent starting point for learning GPS, this overview from the University of Texas at Austin describes many aspects of GPS -- standards, regulations, technical requirements, and even algorithms.
preview: http://www.colorado.Edu   date: 11/8/1999 |

overview    

GPS @ Wikipedia
The Global Positioning System (GPS) is the only fully functional Global Navigation Satellite System (GNSS). Utilizing a constellation of at least 24 Medium Earth Orbit satellites that transmit precise microwave signals, the system enables a GPS receiver to determine its location, speed, direction, and time. Other similar systems are the Russian GLONASS (incomplete as of 2007), the upcoming European Galileo positioning system, the proposed...
preview: http://en.wikipedia.org   |

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Overview of low-cost GPS receivers which output raw data
The table below gives an overview of low-cost GPS receivers which output the 'raw' GPS data, such as pseudorange, integrated carrier phase, Doppler shift, satellite ephemeris, and 'processed' data such as position and velocity. These receivers are usually OEM bare board receivers.
preview: http://home-2.worldonline.nl   |

overview    

The Navigation Center - GPS Information
From our site, you may view or download current and archived GPS satellite information such as status messages, precise ephemeris data, and almanacs. Specific, operational GPS information may be obtained from the links below or from the links on blue navigation bar at the left
preview: http://www.navcen.uscg.gov   |

tutorial    

Alfred Leick University Professor
This Internet site supports instruction of Satellite Positioning, Geodesy and Least-Squares Estimation as part of the Spatial Information (Geomatics, Surveying Engineering) program at the University of Maine. You can take GPS courses over the Internet!
preview: http://www.gnss.umaine.edu   |

tutorial    

Its All About Location: A Location Technology Tutorial
In the mid-1990s, mobile location services appeared to be one of the next natural steps in our move towards a truly unwired, permanently connected society. The ability to link a user's content and personalized services with his geographic location seemed like a killer application-an application with the potential to bring new waves of revenue and customer loyalty to an industry already riding high. Backed by venture capital and fueled in...
preview: http://www.iec.org   |

tutorial    

Tutorial - All About GPS
This tutorial discusses how GPS works, defines differential GPS, and describes putting GPS to work. A good starting point for engineers learning GPS.
preview: http://www.trimble.com   date: 11/8/1999 |