The GPS (Global Positioning System) is a satellite with a navigation system consists of a network 24 satellites that basically placed into orbit by the U.S. Defense Department for military applications only. In 1980, the government make the system for civilian use, so that everyone with a GPS receiver could determine of provide location and time by accurately for an unlimited number of people in all day, weather and night, anywhere in the world.

The GPS system is made up of 3 parts: Satellites orbiting the earth, control and monitoring stations on the earth; and the GPS receivers owned by users. Basically, the GPS receiver compares the time a signal was transmitted by a satellite with the time it was received. The time difference tells the GPS receiver how far away the satellite is. Now, with distance measurements from a few more satellites, the receiver can determine the user's position and display it on the unit's electronic map. Once the user's position has been determined, the GPS unit can calculate other information, such as speed, bearing, track, distance to destination, trip distance, sunrise and sunset time, etc.

Today, GPS devices has become a main navigator worldwide, providing navigation for aviation, ground, and maritime operations. Disaster relief and emergency services depend upon GPS for location and timing capabilities in their life-saving missions. Everyday activities such as banking, mobile phone operations, and even the control of power grids, are facilitated by the accurate timing provided by GPS. Farmers, surveyors, geologists and countless others perform their work more efficiently, safely, economically, and accurately using the free and open GPS signals.

Garmin 1350 is one the best gps devices today, because this GPS devices equipped with offers pedestrian navigation capability enabled through optional CityXplorer maps. CityXplorer maps are available for travelling by destinations in North America and Europe and can be downloaded directly to this device with easily.

The Garmin Nuvi 1350 is a GPS device weighing 5.7 ounces, the size small enough to enable you put it in your pocket or mounted to a windshield or dashboard at your vehicle. The Garmin 1350 GPS Navigator features a widescreen ultraslim design (25% thinner than first models), enhanced user interface, ecoRoute that suggests fuel-efficient routes to save drivers money and fuel, public transit mode and text-to-speech.

Garmin 1350 very according for you whose always to travel for long distance, because this GPS equipped by tools that you need in the travelling, like world travel clock with time zones, currency converter, measurement converter, calculator and more.

The garmin 1350 comes ready to go right out of the box, with pre-loaded City Navigator North America NT street maps and millions of points of interest such as hotels, restaurants, fuel stations, ATMs, and more, with map data provided by NAVTThe garmin 1350 comes ready to go right out of the box, with pre-loaded City Navigator North America NT street maps and millions of points of interest such as hotels, restaurants, fuel stations, ATMs, and more.