A Brief Introduction to GPS |
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By: Natalie Aranda Posted: 2007-03-31 09:19:48 |
| Global Positioning Systems (GPS) are growing in rapidly popularity and are becoming an everyday navigational tool. You commonly see GPS installed in a vehicle but it is also available in a hand help form that is similar to size of a pocket PC or cell phone. GPS units have the ability to be loaded with map data of any where in the world.A GPS uses a series of satellites to pinpoint your exact location with amazing accuracy. There are more sophisticated systems that have the ability to determine you position on the ground as well as an altitude reading.GPS units have grown so much in popularity that it forced the prices down to a reasonable amount as long as you are looking for a basic unit that provides you with your latitude and longitude. If you want more features you can go with a more expensive sophisticated unit. Considering there is such a large range of options on a GPS unit need to determine what you will be using the system for before purchasing.Garmin is the world's top manufacturer of GPS unit. You can choose from an enormous range of Garmin units that are on sale in retail stores and online. These Garmin GPS units range not only in features but in color and size as well, so you are sure to find the unit that is perfect for you.Those who are purchasing a GPS unit to aid while they are hiking should go with a waterproof design for when you are crossing rivers and to protect you if you were to get stuck in a storm. Some models have different numbers of waypoints which is another word for terrestrial coordinates such as latitude, longitude, and altitude. Basic waypoints are effective for the majority of hikers but you can always upgrade to a model that offers more features.A popular Garmin GPS model for hikers is the eTrex because it is lightweight, waterproof, and has the ability to display up to five hundred waypoints. This device also features a number of controls on the side which gives you the ability to control the size of the display.A Garmin Aviation GPS is fully equipped with Jeppesen databases as well as background land mapping. The newest GPS has log-book compatible features which make flight reporting much easier.Most Garmin GPS units range from one hundred to three hundred dollars, but there are some systems that are priced well above the three hundred mark. Purchasing GPS units is just like any other electrical device; you get what you pay for. If you spend around two hundred dollars you are able to get a device that is suitable for hiking.Natalie Aranda is a freelance writer. She writes on communications and technology. A Garmin Aviation GPS is fully equipped with Jeppesen databases as well as background land mapping. The newest GPS has log-book compatible features which make flight reporting much easier. Most Garmin GPS units range from one hundred to three hundred dollars, but there are some systems that are priced well above the three hundred mark. Purchasing GPS units is just like any other electrical device; you get what you pay for. If you spend around two hundred dollars you are able to get a device that is suitable for hiking. |
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