The best thing to do is look at reviews, such as on Amazon. That way you will be able to see what others who own the product think of it. http://www.Amazon.com/b?ie=UTF8&node=551462
You should be able to use a marine GPS chartplotter anywhere. The whole point of GPS devices is to help navigate and plot where you are.
This will depend on the type of chartplotter. Some chartplotter will require a dedicated computer to be used only for it, while others chartplotter can be used with your everyday computer.
Depending on the brand and model, the number of points one can plot on a GPS varies. For marine use, a chartplotter GPS with a fishfinder is recommended.
Yes, the marine gps chartplotter equipment is water proof. Since marines are basically always working in the water, the product has to be water proof.
A Marine Chartplotter GPS is used by boaters and watersportsmen. This GPS can be used to track the shoreline, measure the depth, and locate various harbors and marinas. http://www.amazon.com/b?ie=UTF8&node=551462
garmin gps is the best by far! you can find all sorts of accesories and software for them anywhere that gps are sold. also they are the easiest gps unit to use!
If you are wondering what GPS brand is the best so you won't get lost because you are not very good at directions, then you should buy yourself a Tom Tom GPS Navigator.
Best Buy sells many GPS systems. A good, trusted brand would be Garmin. I have one of those and it works well. Or, you could choose a Tom-Tom GPS system, but I don't have any experience with that brand.
One can buy a Lowrance brand GPS from several different online websites. Some of these include: The GPS Store, Amazon, eBay, Best Buy, Future Shop and One Shop.
tomtom is the best GPS brand. tomtom is pretty dam strong and is stronger than most other GPS's out there
Garmin and Tomtom are both reputable brands of GPS navigation system.
runnersworld.com offers some top quality and authentic GPS watches. A brand that comes up most as being a top quality brand would be "Garmin", you should keep your eye out for that brand.