Portable Marine GPS – Have One GPS For The Boat And Truck

Portable marine gps units are incredibly useful for many people. For sailors and marine biologists, fishermen and ocean going vessels, the portable marine gps units are important to their safety and wellbeing in dangerous and calm waters. The portable marine gps helps those who are navigating the ship to stay clear of underwater hazards like large rocks, trees or sunken ships and helps them find there way in the dark of night or foggy mornings. Fishermen use the portable marine gps units to return to their favorite fishing hole time and time again.

There are several models of portable marine gps units that make navigation compact and easy when it comes to going from land to water and back again. Although some of the screens may be small, about 3.8 ", they are shiny and bright with 480 x 320 pixels of light. store up to 3,000 user waypoints per route, 10,000 point automatic track lock, 15 saved tracks and alarms for anchor drag, off-course, low battery, proximate, waypoint, clock, too deep, too shallow, water temperature and temperature rate of change and arrival.

On the water, the portable marine gps units are durable and dependable, with a built-in autoroute basemap enhanced by marine chartography. They accept pre-programmed or user programmed data cards with MapSource or BlueChart g2 for off shore details. One could add the additional sonar to the marine gps units and be able to locate large objects below the waters edge. They all come with 3D mapping and distress calling capabilities in case of emergencies. On land, the portable marine gps units are just as durable and dependable as on the water. The autoroute basemap allows for street level, turn-by-turn directions and a programmable MapSource city space for in-depth views of certain cities.

The portable marine gps units utilize the sunlight and nightwatch methods to reduce the glares and improve visibility both in the noonday sun and the dark of night. Another feature is the Max anti grounding feature; embedding aerial photos of the marina and harbor entrances; and current arrows show you which way the current is running and the speed and temperature of the tides is all put into the marine gps units.

With the addition of another antenna, you have to buy a special antenna or the purchase of XM satellite radio; you can see the weather changing in real time or hear updated weather reports every five minutes. The weather is constantly changing and that threat of change is an important issue for people on the open waters or about to go into a lake, ocean or any waterways where the water can turn into an enemy instead of a friend in a matter of seconds.

Source by Charlie Lee

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