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PositioningThe term positioning has more than one meaning:
- In marketing, see positioning (marketing)
- "Positioning" is also a term for the careful placement of objects
- in particular, by the use of precise navigation: for example, in the term "Global Positioning System".
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GPS Status Information from US Naval Observatory
Via ftp.
ftp://tycho.usno.navy.mil/pub/gps/
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.
http://www.ngs.noaa.gov/GPS/GPS.html
Wayhoo.com
Database of geographical waypoint information and utilities for GPS/GIS users.
http://wayhoo.com/
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.
http://gpsinformation.net/
Satellite Navigation and Positioning Group (SNAP)
SNAP is Australia's largest academic GPS research group specialising in high precision GPS technology and applications.
http://www.gmat.unsw.edu.au/snap/snap.htm
GPS Kwajalein
GPS Ground Station on Kwajalein Island, photographs of the island and site. Links to others GPS sites.
http://www.angelfire.com/ab/gpskwaj/index.html
GPS Control Base Station on Internet
GPS Base Stations located in New Zealand, Australia, and New Guinea. Download GPS data files for $40-$70 per day.
http://www.gpscontrol.com/
Outdoor Gear Reviews
GPS receiver comparisons.
http://gearreview.com/navreviews.asp
Septentrio Satellite Navigation
Dual frequency GPS & GLONASS, as well as EGNOS, WAAS and MSAT based on an in-house single baseband processor.
http://www.septentrio.com/
Wing Way Systems
Navigation-Wonder, a shareware GPS mapping navigation software including voice response system [Windows].
http://www.vader-abraham.com/gpssoft.htm
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.
http://www.gps-society.org/
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 .
http://gipsy.jpl.nasa.gov/igdg/index.html
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.
http://www.travelbygps.com/
GPS Applications Exchange
GPS technology usage world-wide is featured. GPS application stories are accessed by geographic regions. GPS tutorials are available to enhance understanding.
http://gpshome.ssc.nasa.gov/
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.
http://ralph.bucher.home.att.net/project.html
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.
http://www.cage.curtin.edu.au/~geogrp/research/res-mon.html
David L. Wilson's GPS Accuracy Web Page
Global Positioning System Accuracy
http://users.erols.com/dlwilson/gps.html
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.
http://www.beyonddiscovery.org/content/view.article.asp?a=458
GPS Site from Univ of Texas
Global positioning system overview and bibliography.
http://www.colorado.Edu/geography/gcraft/notes/gps/gps_f.html
GIS Services
Specializes in ArcView GIS training and provides commodities, services and training for implementing and integrating solutions with GIS, GPS, AVL, internet mapping and satellite imagery.
http://gisservices.net/
Beijing UniStrong Science and Technology
Provides GPS receivers, antennas and related accessories including mapping software.
http://www.unistrong.com/English/index.htm
Cetus GPS
Navigation, tracking and field data collection software for PalmOS handhelds.
http://www.CetusGPS.dk/
The GPS Waypoint Base
Non-commercial project allowing the collection or submission of GPS waypoints.
http://www.waypoints.de/
GPS Navigator Adventure Magazine
Online place for learning what GPS is, how to use a GPS receiver unit and share stories with fellow users.
http://www.gpsnavigatormagazine.com/
Emily Programme
A system study researching the coupling of terrestrial positioning and the satellite-based positioning.
http://www.emilypgm.com/
USCG Navigation Center
GPS, DGPS, LORAN-C, OMEGA, navigation systems, GPS navigation, DGPS navigation.
http://www.navcen.uscg.gov/
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.
http://www.gps.gov.uk/
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].
http://franson.biz/gpstools/
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