There are no "local" differences in GPS receivers (unlike TV receivers, for example, with NTSC or PAL). The GPS system consist of about 2 dozen satellites that are positioned around the globe. Any GPS receiver will work in any given location, as long as the signal is accessible. Only mountain terrain - with deep valleys or certain downtown areas with high-rise buildings - may block out the signal in a few locations.
Magellan is just the name of a company that makes brands of GPS systems. They make car, handheld, and mobile GPS navigation systems and they are used the same way as any other brand of GPS systems.
GPS or Global Positioning Systems are used to navigate, give weather updates, and offer location information. The GPS systems are linked to satellites which, in turn, feed the GPS system with pertinent data. GPS systems in vehicles are used to help in navigation. Some digital cameras also inlude GPS, which enable the photographer to see the latitude and longitude of the photograph.
GPS portable systems can be used for navigation, tracking, search & rescue operations, finding information and optimization of routes. The GPS will also help with finding several venues in a city.
The best prices on GPS systems can be found on Nextag.com and Amazon.com. These websites sell a wide selection of high-end and low-end as well as used GPS systems.
to find the answer to your question: How are TomTom Rider GPS systems different from regular GPS systems? please see the following website to learn more: www.tomtom.com/
Alpine Electronics of America Systems make the GPS systems for Chrysler.
You can find a Garmin GPS system for under $250. There are many people selling used GPS systems for under $250.
These devices are mainly used in boats. These devices use GPS to track you on the body of water you are currently in in your boat. They work similar to GPS systems used in cars.
There are good and inexpensive GPS systems for trucks. These GPS systems for trucks include Garmin Nuvi 465t 4.3" GPS Truck Navigator and IntelliRoute TND Truck GPS.
You can find the difference between marine gps systems and garmin gps systems on the following site: http://www.secrets2business.com/the-difference-between-marine-gps-handhelds-and-their-bigger-brothers/. They have good descriptions.
Cobra is a company that offers a variety of automobile equipment ranging from gps devices to radars. Cobra gps systems refers to gps systems provided by the company Cobra.
Walmart does sell gps systems. They can be found in the electronics system with all the other gps systems. Or they can be found in the clearance aisle sometimes.