An Entire State: Topo Map Books
Have you ever needed to see back roads and land features for your entire state? Topo map books are available for all 50 states. Each book covers an individual state in its entirety, with these…
USB GPS Comparison
USB GPS receivers are devices that need to be connected to the USB port of a laptop computer to function. While one could be connected to a PDA, this setup isn’t practical and generally isn’t…
GPS Watches: Monitor Your Performance
There are currently at least six manufacturers of GPS watches: Nike, Tech4o, Timex, Garmin, Polar, and Suunto. Casio used to have one, but it’s been discontinued. Garmin has a line of eight GPS watches. They…
GPS Reviews
Maps-GPS-Info.com brings you GPS reviews that are unbiased, thorough, and concise. We go into a fair amount of detail – but only to the point that we think is useful. We are not paid by…
How WAAS Works – It’s Not Rocket Science
WAAS stands for Wide Area Augmentation System. Normally, unaided GPS is good for an accuracy of about 10 meters. WAAS provides an accuracy of 1.5 meters. WAAS was jointly developed by the Federal Aviation Administration…
GPS Antenna Primer: Improve Your Navigation
Most GPS receivers have an antenna built in to them. The two most popular types of antennas used in GPS receivers are “patch” and “quadrifilar helix” or “quad helix” for short. This page addresses external GPS…
GPS Cell Phone Tracking – I Know Where You Are
The tragedy of 9/11 nudged GPS tracking into the future, particularly GPS technology in cell phones. At that time, calls from a cell phone could not be tracked, which made locating victims and rescue workers…
GPS Review – Magellan eXplorist 100
Introduction: The pocket-sized eXplorist 100 recreational GPS receiver is rugged and affordable. The eXplorist 100 features TrueFix technology which takes advantage of 14 parallel channels, supported by WAAS and EGNOS for fast signal acquisition, minimal…
How WAAS Works – It’s Not Rocket Science
WAAS stands for Wide Area Augmentation System. Normally, unaided GPS is good for an accuracy of about 10 meters. WAAS provides an accuracy of 1.5 meters. WAAS was jointly developed by the Federal Aviation Administration…
GPS Cell Phone – Portable Navigation and Safety
The need for a GPS cell phone? Picture driving an unfamiliar highway and witnessing a small red car careening off the road into a ravine. You pull off the highway and with your heart pounding you…