Global positioning system (GPS) function by constantly sending and receiving signals to orbiting satellites and with four or more satellites, are able to calculate and transmit the receivers exact position on the globe. The more satellites and the stronger the signal, the faster and more accurate this fix will be, which is why many phone based GPS receivers are just that, phones with a GPS. They tend to take much longer to lock and few phone GPS can give any accuracy better than 100 feet. Thought his may not seem like much, in a non-urban environment this can make a world of difference.
The benefit of having a dedicated GPS device is that the devices sole function is to tell your exact relative position and time. Marine GPS devices are cost effective and durable tools used in a variety of locations for many different jobs and most cost less than smart-phones and other similar devices. Loggers, miners, fishers, boating enthusiasts, campers, hikers, and anyone who regulars the wild outdoors should have a Marine GPS.
Marine GPS are engineered the same way delicate construction electronics such as walkie-talkies and radios are: durable shatter proof plastics laced over a hard frame designed to resist impact. The type of weather that marine boating and logging expeditions endure demands an incredibly robust product. Most are water-resistant, shock-resistant, and have scratch-resistant screens.
These GPS come with high-frequency receivers that are far more sensitive than car or phone models, allowing them to pick up and lock-on to more satellites even in the harshest conditions. Often these hand-held versions come with an emergency band and even radios. Emergency crews across the globe carry marine GPS with them at all times.
Wide color screens and preloaded map cache make reading the GPS simple and eliminate load times. Some even come with barometers, electronic compass, internal memory, and a memory card slot. Often they have built in rechargeable lithium-ion batteries that can keep the deceive active for hours, even days on standby.
Marine GPS are the kind of product that many people need, and don't even know it. Anyone going camping or boating, even back-packing through another country or commuting to another city benefits from the versatility a marine GPS can provide. They make the perfect gift for the man who has everything, or for the adventuring youth.
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By: Pat Noack
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