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Marine GPS systems have become most boaters' best friend. Depending on the reasons you need Marine GPS Navigation, they can make it easy to find your way back to shore in unknown waters, navigate at night, and find large fish or avoid debris. History of Marine GPS: While it wasn't that long ago that boaters or mariners consulted star charts and latitude/longitude numbers to figure out their way back to land, Marine GPS navigation changed the need for the inaccurate tracking system that some could not figure out. GPS or global positioning systems came into vogue after the launch of satellites that could send a signal of latitude and longitude locations to figure exactly where anything was back on Earth. This principal has been used in fishing sonars and marine GPS systems, that use anywhere from 12 to 24 satellites to figure out positioning. Why Using Marine GPS Navigation Systems? The answer is simple, it is more accurate, less hassle than previous methods to find out where you are on the open sea or any body of water for that matter. Also, the most important reason is for safety. Not only can it keep you from getting lost, but you can chart ways around tropical storms at sea, or alternate routes, for whatever reason. The Future of Marine GPS: The marine GPS systems continue to get more sophisticated, and come in hand-held models, all the way up to marine GPS navigation lap top computers. Depending on the functions you want, you can find a marine GPS that can do whatever you want it to, when it comes to navigation, topography in foreign water bodies, or take it hiking and camping with you, if it is a hand-held portable marine GPS. Some of the larger cruisers and yachts use it to "auto-pilot" a ship, and navigate back to port in the dark of night. Advice On Buying a Marine GPS: Be sure and research all of the models and functions for the type of Marine GPS navigation you are going to be doing. In other words, certain factors, like whether it will be for river fishing or ocean adventures can determine the model you need and the umber of functions. If you are looking for a fish finder, you may not need an expensive Marine GPS system with all kinds of bells and whistles. Commercial fishermen, for example, would need them to not only get them back to shore, avoid the paths of storms, and find fish, but might need alarms for shallow reefs or other alarms where a normal recreational fisherman might not need these features. Marine GPS navigation systems have gotten to be almost a requirement for all types of water navigation, and finding a marine GPS unit is easy at retailers, but especially online, where the choices are unlimited. As more manufacturers have gotten into the GPS systems, even cell phones are GPS capable now. It's all a matter of the number of functions you need for what you are going to be doing, when it comes to marine GPS navigation.
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