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GPS Equipment Info

• GPS Discounts for Educators - GPS special pricing for Trimble GeoExplorer 3 and ProXR XRS educator kits GPS education and training courses Tutorials to learn about the GPS system GPS consulting and course development
• The National GPS Network - Resource from the UK Government intended for GPS-equipped surveyors and Geographic Information Systems GIS developers who work with Ordnance Survey OS mapping Includes the Passive Station Database Active Station RINEX Data and Coordinate Converter services
• GPS Clocks for Computer Time Synchronization - Learn about how to use GPS for computer time synchronization We offer a GPSClock for computer use that s accurate to a millionth of a second Ideal for running a stratum one NTP server
• GPS Information - Mehaffey Yeazel and DePriest s site provides dozens of reviews and technical articles on GPS receivers and software and a huge list of links
• Travel by GPS - Downloadable free GPS maps for travel adventures self-guided tours and outdoor activities Map data includes waypoints and routes for use with handheld GPS and car navigation systems
• Australian Global Positioning Systems Society - A free membership society to bring together the delegates sponsors and exhibitors for the Satellite Navigation Conference and to foster develop and assist the Global Positioning System disciplines
• Septentrio Satellite Navigation - Dual frequency GPS and GLONASS as well as EGNOS WAAS and MSAT based on an in-house single baseband processor
• RLA GeoSystems - Source for GPS information and training Trimble ProXRS and GeoExplorer3 receivers top 10 websites GPS for educators and free help
• GENESIS - Suite of data services that brings together the new Earth science products to be produced by spaceborne Global Positioning System GPS receivers It serves mainly as a database for GPS occultation observations
• Chartracer Software - Cartographic Software is for making moving maps on which GPS data from a serial port are plotted Data are tracked remotely via CDPD modems and internet sites
• Advanced Research Corporation - Company based in Oregon USA providing engineering and consulting services specializing in global navigation satellite systems GNSS technologies and other positioning navigation and timing PNT systems
• Wing Way Systems - Navigation-Wonder a shareware GPS mapping navigation software including voice response system [Windows]
• GPS ActiveX - Download information into a Visual Basic application or web page Garmin Magellan Navman or any NMEA 0183 enabled GPS supported UTM SPCS British National Grid and most other national coordinate systems supported [Windows and Pocket PC]
• Internet-based Global Differential GPS - C-language software package for GPS-based real-time positioning and orbit determination Includes system overview technical papers and a live demo
• Hyperbolic Positioning Algorithm - An algorithm for obtaining an exact solution for the three dimensional location of a mobile given the locations of four fixed stations like a GPS satellite or a base station in a cell and the signal time of arrival TOA from the mobile to each station From Ralph Bucher
• Cetus GPS - Navigation tracking and field data collection software for PalmOS handhelds
• Wayhoo com - Database of geographical waypoint information and utilities for GPS GIS users
• The GPS Waypoint Base - Non-commercial project allowing the collection or submission of GPS waypoints
• USCG Navigation Center - GPS DGPS LORAN-C OMEGA navigation systems GPS navigation DGPS navigation
• GPS by Globespotter - GPS education news hardware software and links Digital mapping
• David L Wilson s GPS Accuracy - A discussion of horizontal and vertical errors including uses of HDOP to estimate and improve horizontal error
• The Global Positioning System The History of GPS - The history and story of how the Global Positioning System evolved from the development of the world s most accurate timepieces atomic clocks by physicists looking into the nature of time Adapted from an article written by MIT scientist Daniel Kleppner
• GPS Precise Orbits - Global Positioning System satellite ephemerides " orbits" information for the general public from US NOAA GPS precise orbits are derived using 24 hour data segments from the global GPS network An informational summary file is provided to document the computation and to convey relevant information about the observed satellites such as maneuvers or maintenance Orbits generally are available 2 to 6 days after the observation
• Satellite Navigation and Positioning Group SNAP - SNAP is Australia s largest academic GPS research group specialising in high precision GPS technology and applications
• Outdoor Gear Reviews - GPS receiver comparisons
• GPS Deformation Monitoring - Objective is the development of a system for rapid and inexpensive monitoring of unstable slopes such as pit walls earth\rock slopes and dam walls using global satellite positioning technology
• GPS Kwajalein - GPS Ground Station on Kwajalein Island photographs of the island and site Links to others GPS sites
• GPS Site from Univ of Texas - Global positioning system overview and bibliography