GPS Resources

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Equipment – GIS and GPS New GPS satellite launched

Global Positioning System (GPS) is a technology that uses the position of satellites to determine locations on earth. GPS is an essential tool for GIS because it allows for the gathering of data that locationwise is highly accurate.

What is GPS?
Rachel Quist explores Global Positioning Systems, its origins, how it works to determine a user’s location, and the effect of the end of Selective Availability in popularizing GPS.

All About GPS
Very nicely compiled tutorial about the basics of GPS. Hosted by Trimble, one of the top makers of GPS equipment.

GPS Overview
Overview of GPS. Information about how GPS was started and more.

Global Navigation Satellite Systems
Learn about GPS, GLONASS, Galileo, and Compass Global Navigation Satellite Systems (GNSS).

GPS Posts
Explore GPS in the news.

Uses of GPS
From fun to saving lives, see how GPS technology is being put to use. GPS has become more than simply knowing where you are.

GeoCaching – The GPS Craze
If you’ve been wondering what creative things you can do with your GPS unit you should learn about GeoCaching. Started as a way to celebrate the end of selective availability, GeoCaching uses GPS technology to find hidden treasures.

GIS and GPS Equipment
Links to sites that sell GIS and GPS related equipment.Most commonly GIS users look to purchase plotters, GPS units and digitizers.Look here to find the tools of the trade.

GPS Guide for Beginners
If you’re interested in understanding GPS, Garmin has a 23-page “GPS Guide for Beginners” booklet (in PDF format).  The publication provides a pretty easy to follow overview covering how GPS works, factors that cause errors in collecting data and mapping GPS points.  If you’re short on time, Garmin also has a quick page on their web site covering “What is GPS?“

GPS Review
Provides reviews of GPS systems in the areas of vehicle navigation, GPS tracking, aviation, marine, outdoors, recreational, and geocaching.

GPS Use Expanding
June 1995 article by Sam Highley originally printed in Air Force News. Contains a brief overview of the beginnings of GPS.

GPS Visualizer
A free on-line utility that creates SVG maps and profiles from GPS waypoints and tracks; many popular data formats are supported. Also includes utilities for locating street addresses and converting GPS files to plain text or GPX.

How to Use GPS Running Watches for Health Improvement and Physical Training
Investing in a GPS running watch can make a large difference to runners and joggers, as well as to those who need a physical training program to recover from surgery or disease.

More GPS Resources
More GPS resources from Matt Rosenberg, the About Guide for Geography.

Navigating the GPS Price War
As reported in Businessweek.com, major GPS companies Garmin, TomTom and Magellan are engaging in a price war and have slashed prices as much as 50% on personal navigation units.

Plotting Your Jogging
How-to article from Engadget on how to use GPS technology to plot your jogging routes.

President Turns Off GPS Selective Availability
On May 1, 2000, President Clinton ordered Selective Availability discontinued, making GPS much more accurate for civilian and commercial users.

USNO GPS Operations
Resources from the United States Naval Operations. Get information about current GPS satellites as well as a brief history and overview of GPS.