See also:

• Business: Telecommunications: Location and Tracking  (246)
• Science: Earth Sciences: Geomatics: Navigation  (46)
• Science: Technology: Space  (1,544)

This category in other languages:
	Dutch  (10)   German  (35)   Japanese  (22)   Polish  (7)   Spanish  (6)

• 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.
• Cetus GPS - Navigation, tracking and field data collection software for PalmOS handhelds.
• 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.
• 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.
• 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 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].
• GPS by Globespotter - GPS education, news, hardware, software, and links. Digital mapping.
• 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 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.
• GPS Drawing - A collection of drawings made with GPS data logging devices.
• 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.
• GPS Kwajalein - GPS Ground Station on Kwajalein Island, photographs of the island and site. Links to others GPS sites.
• 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.
• GPS Site from Univ of Texas - Global positioning system overview and bibliography.
• GPS Status Information from US Naval Observatory - Via ftp.
• The GPS Waypoint Base - Non+commercial project allowing the collection or submission of GPS waypoints.
• 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 .
• 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.
• Outdoor Gear Reviews - GPS receiver comparisons.
• RLA GeoSystems - Source for GPS information and training. Trimble ProXRS and GeoExplorer3 receivers, top 10 websites, GPS for educators and free help.
• Satellite Navigation and Positioning Group (SNAP) - SNAP is Australia's largest academic GPS research group specialising in high precision GPS technology and applications.
• Septentrio Satellite Navigation - Dual frequency GPS and GLONASS, as well as EGNOS, WAAS and MSAT based on an in+house single baseband processor.
• Standford University GPS Research Laboratory - Technical and academic papers on GPS technology with a special emphasis on its use in aviation and marine applications.
• 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.
• USCG Navigation Center - GPS, DGPS, LORAN+C, OMEGA, navigation systems, GPS navigation, DGPS navigation.
• USGS Education; GPS, Map, and Compass - United State Geological Survey site provides extensive information on the use of GPS in education.
• Wayhoo.com - Database of geographical waypoint information and utilities for GPS-GIS users.
• Wing Way Systems - Navigation+Wonder, a shareware GPS mapping navigation software including voice response system [Windows].