| Directory > Science > Earth Sciences > Geomatics > GPS - Global Positioning System 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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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/
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USCG Navigation Center
GPS, DGPS, LORAN-C, OMEGA, navigation systems, GPS navigation, DGPS navigation.
http://www.navcen.uscg.gov/
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Emily Programme
A system study researching the coupling of terrestrial positioning and the satellite-based
positioning.
http://www.emilypgm.com/
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GPS.cx Portal
Site with product information, etrex updates and a collection of links and articles about GPS.
http://www.gps.cx/
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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/
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The GPS Waypoint Base
Non-commercial project allowing the collection or submission of GPS waypoints.
http://www.waypoints.de/
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Cetus GPS
Navigation, tracking and field data collection software for PalmOS handhelds.
http://www.CetusGPS.dk/
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Address to GPS Coordinate Converter
Web application to determine the GPS coordinates of addresses in the United States and Canada.
Produces a printable page with adjacent map.
http://gps.algebra.com
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Beijing UniStrong Science and Technology
Provides GPS receivers, antennas and related accessories including mapping software.
http://www.unistrong.com/English/index.htm
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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/
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GPS Site from Univ of Texas
Global positioning system overview and bibliography.
http://www.colorado.Edu/geography/gcraft/notes/gps/gps_f.html
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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
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David L. Wilson's GPS Accuracy Web Page
Global Positioning System Accuracy
http://users.erols.com/dlwilson/gps.html
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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
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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
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Waypoint Database
A database of geographical waypoint information and utilities for GPS/GIS users.
http://waypoints.chrisendres.com/
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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/
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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/
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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
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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/
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Wing Way Systems
Navigation-Wonder, a shareware GPS mapping navigation software including voice response system
[Windows].
http://www.vader-abraham.com/gpssoft.htm
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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/
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Outdoor Gear Reviews
GPS receiver comparisons.
http://gearreview.com/navreviews.asp
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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/
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Mehaffey and Yeazel's GPS Information
Dozens of reviews and technical articles on GPS receivers and software, and a huge list of GPS
links.
http://joe.mehaffey.com/
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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
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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
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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
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GPS Status Information from US Naval Observatory
Via ftp.
ftp://tycho.usno.navy.mil/pub/gps/
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