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GPS is one of the best technical advancements made for the common man. Global Positioning System (GPS) is actually based on the concept of ‘Trilateration’ and is mainly used for tracking and navigation purposes. They can also be used with communication technologies like telephony and radio transmission along with regular tracking and navigation services.

GPS tracking has a GPS receiver, GPS software and a device to transmit the coordinates. GPS Navigation helps people to locate a place on the map. It is very useful for locating a unit, finding a route from one place to another or even while selecting the best suitable route in real time. GPS navigation requires portable computers and gadget along with the use of GPS systems.

Popular brands that are currently in use are Garmin GPS and Magellan GPS. Garmin GPS has a sleek and slim design that fits into a pocket or purse. Garmin offers nuvi 200 series car GPS navigators with regional coverage for Europe, Australia, New Zealand, Mexico and Brazil. It is also available in both 2D and 3D perspective views.

The Magellan GPS includes built-in tour book travel information, giving instant access to service details and diamond ratings from world’s leading travel experts. It has amazing accuracy for re-calculating route speed and booting speed.

The best way to choose a budget GPS is by checking out online GPS reviews. Online reviews contain useful information on usage, installation, latest pricing and shipping details.

Global Positioning System has traditionally been a key part of military operations. It was used for tracking army personnel and discovering remote locations. In recent times, the gadget’s use has been extended to civilian use and is being effectively used as locators.

Police officers and the traffic systems use GPS. Vehicular movement can be easily tracked without needing an exact visual input. GPS is also used as a vehicle accessory and is available in many models. Many car owners can also use GPS systems as an anti-theft device. GPS technology helps to track vehicle speed too.

Some key points to look into while buying GPS systems are

• High-resolution images – that will provide the best experience.
• Big screen high end units – that come with 640 x 480 displays
• Enhanced circuitry - like WAAS and SBAS for added accuracy

Garmin GPS is a one of the top brands currently available in the market. Garmin GPS offers excellent navigation and Bluetooth hands-free calling. Navigation on the Garmin GPS is very good, fast and intuitive. It can also be used as a speakerphone and for voice prompts.

Magellan GPS offers portable ‘Auto’ GPS System that delivers the best navigation experience at an entry-level price point. Though the model lacks fast route calculations, it’s simple and compact design that comes at an affordable pricing is a crowd puller.

There are other models like TomTom and Videoseven, which are also equally popular and economical. When planning to purchase a GPS system for personal use, it is advisable to look into online GPS reviews for technical specifications on different models.

Portable GPS units can guide you through foreign areas, suggest an other route around rush hour traffic, and perform an increasing array of infotainment functions. This buyers guide will let you make the right choice for purchase the GPS systems for your needs.

How to Start:

When you often travel to new destinations, have trouble reading maps, or simply don’t like to ask for directions, you might need a GPS unit for your vehicle. When you input a destination, the unit will plot a route, give spoken turn-by-turn directions, and display the route as you go. Most of the GPS units let you choose several possibilities, like for example the shortest distance, the fastest time, or routes with no toll roads. Some portable GPS units even offer special routing options for walkers or bicyclists to avoid highways and not limit pedestrians due one way traffic.

On some GPS units you also can quickly find some points of interest, including hotels, tourist attractions, banks, gas stations, and more. You can search for a specific point of interest. When you’ve located where you want to go, the GPS system can calculate a route to get you there. Higher-priced GPS units have more features like Bluetooth-phone compatibility, and a wireless FM transmitter, which allows you to access phone numbers from your cell phone or call a number displayed on your GPS unit. Some Premium services, like local traffic and local weather reports, are becoming widely available, although you need often a subscription.

Choosing the GPS Unit for Your Needs: (when you will buy a GPS system, think about following):

- Which features are important for you?

- What are your typical driving conditions?

- Where and how often will you use it?

- What about extra features? Live traffic information, weather, and local gas prices can offer an increased measure of safety and convenience. When you travel outside the U.S, look for a GPS unit that offer maps for navigating in other countries. Most GPS units function in the United States and Canada, but some upper-level models from Garmin GPS and others come preloaded with or can be retrofitted with maps of Europe and other regions.

- If you’re buying a new car, check to see if a built-in system is available and how much it costs. These are nicely integrated into the car. But these are often more complicated to use and Higher-priced more than portable systems.

- Most of all GPS units now come with a rechargeable battery. If you want to use it for walking or use the multimedia features outside of a car, search for a system that will operate for at least three hours on a charge.

- A battery also enables you to enter a destination and calculate a route before you arrive the vehicle. Some models are delivered with a traditional AC plug for in-home use and recharging.

- Size is important if you choose a portable unit; especially if you frequently pack it in a suitcase. Choose a screen that’s large enough to read easily without blocking your view. Wide screens allow more information to be displayed and be easier to enter addresses, due to larger touch-screen buttons.

Recommendations: Garmin GPS have been one of the first in the GPS market and is the global worldwide leader in satellite navigation. GPS products from Garmin are known for their quality, great user interface and for the safety features that are incorporated into each of their GPS units

Although I have always been a fan of Garmin GPS devices, with all its competitors (Such as Navigon, Magellan and TomTom) catching up in terms of design and features, one can’t help but to wonder if Garmin is slowly loosing its edge. In this article, we are going to take a closer look at the TomTom Go 740 Live GPS navigator. At the time of writing, I think that it is just one of the most advanced GPD device in the market.

The TomTom Go 740 Live has a built-in wireless data connection. This connection allows the access of a variety of information on the device. For instance, you can perform a local search (powered by Google). You can search for restaurants, points of interest, and other local destinations. The search results come with a whole array of information on the destination, such as telephone number and modes of payments accepted (for restaurants) and many more. It can also search for the latest fuel prices in a particular locality.

Another cool feature found on the TomTom Go 740 Live is the TomTom Buddies feature that allows you to share your location with other TomTom Go users. Using this feature, you can also send messages to one another on the device. The price of purchase comes with 3 months of live services. After that, you will need to pay a $10 monthly fee for the services.

The TomTom Go 740 Live also uses IQ Route technology to calculate the best route to your destination. This feature goes through the historical data of the routes taken by you and other TomTom users and maps out the best route to take. For example, if the device calculated that a particular route is congested during lunchtime on weekends, it will provide a route that by-pass the area if you happen to travel during that time frame. You can also correct mistakes on the map and share it with other users. Other features on the TomTom Go 740 Live include voice command, text-to-speech, and Bluetooth features. All in all, the use of a live wireless data connection brings this navigational device to a whole new level.

By now you’ve probably heard the television and radio ads urging you to “Get a Garmin” this holiday season. But what are the real benefits of owning a consumer GPS device? Since we know you’re not the kind of person to simply buy what the TV tells you, we’ve provided the following objective list of reasons to own a GPS from Garmin, Magellan, Tom Tom or any number of consumer electronics companies.

What are the Benefits of Owning a Car GPS Device?

So let’s cut to the chase. Are GPS devices just cool gadgets to show off to your friends or do they have some practical purpose in your life? Here are some of the things you can do with a GPS device:

- Get directions. Obviously, the number one selling point of any GPS is that it helps you get from Point A to Point B without getting lost. New GPS technology allows you to pre-program your trip into the device and then receive directions via turn-by-turn navigation. On many Garmin GPS, the information is even delivered by a friendly computerized voice.

- Use it as a phone. The Magellan Maestro and other recent GPS devices now integrate Bluetooth technology into the device, so you can now use the GPS as a hands-free phone. With concerns about safety due to cell phone use in the car (and many states having passed hands-free cell phone laws) this feature is more relevant than ever.

- Drive more safely. As amazing as it sounds, many GPS now provide warnings about upcoming obstacles in the road as well as advice about which lane has the least amount of potential traffic. These features give you an advantage over the unexpected bumps in the road that could pose a real safety risk to you or your family.

- Get there quicker. In the “old days” you had to bite your tongue and wait it out when traffic got tough. Now, GPS devices help make the traffic snarl a thing of the past. Many systems are linked to your local highway traffic reports and can clue you in when you need to take an alternate route. In fact, GPS technology has become so advanced that it can even provide that alternate route on the fly!

- Find something to do. Magellan, Garmin and other companies are now preloading their auto GPS with links to thousands of restaurants, movie theatres and other entertainment options. You can search by what you want to do tonight, and the GPS will provide a wealth of options (and even tell you how to get there).

- Enjoy your trip. If you’re taking your family on a car trip, pack your toothbrush and your GPS! GPS can provide information about all the points-of-interest along the way. You’ll get everything from national monuments to scenic overlooks - and everything fun in between. The GPS device will tell you the most efficient way to get there, so you won’t end up wasting a lot of money on gas.