Written on February 14th, 2010 by MadChasno shouts
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Since the introduction of Global Positioning Systems and the GPS being fully operational they aid worldwide navigation, land surveying and vehicle tracking. At the core of transportation systems such as aviation, maritime and land navigation is a GPS system. GPS provides accurate timing and locality and has become an essential tool in many commercial and agricultural industries too.
Offering a wide variety of functionality GPS Systems are becoming more and more popular in the worldwide transport industry and penetrating into the domestic markets with hand held models and car sat nav systems growing in unit sales year on year.
The most common types of satellite navigation equipment are:-
Portable Satellite Navigation Systems for cars
Handheld GPS systems
Mobile phone GPS
Built – in Satellite Navigation Systems for cars
GPS Systems or Global Positioning Systems to give them their full name are one of the worlds most widely utilised communication, positioning and time reference technologies, expanding into homes, transportation, recreation and cellular phone arenas. Satellite technology is never far away from our everyday lives and it will become an increasing integrated part of our ongoing develoment.
When coded reference points are received from the satellite sytems which circle the earth the GPS system is then able to pin point the exact point and location requested. Delivering a longitude and latitude reference detailing in degrees of minutes and seconds.
13°19'43" N is an example of a lattitude translated it reads 13 degress 19 minutes and 43 seconds North. The following are gps system results for well known global reference points:-
Arctic Circle: 66° 33′ 39″ N
Tropic of Cancer: 23° 26′ 21″ N
Tropic of Capricorn: 23° 26′ 21″ S
Antarctic Circle: 66° 33′ 39″ S
Whether you are on foot, in a car, on a bike…Satellite Navigation will come into play at some point during your journey through life.
Car traveling has been a lot simpler since the invention of the Global Positioning System. Designed to help with navigation of more complex systems such as aircrafts, GPS devices match all the needs of a traveler. GPS for cars are products that receive and decode signals from a complex network of satellites that enable you to determine the current car location and help you set the route for a destination. GPS receivers are available in many designs, formats and models, with a higher or lower user-friendly rate. You save money with some cheap GPS units, they are easy to plug in and store, but the operation may be faulty or inconsistent. More quality comes with more money.
Car design is very important when shopping for a personal navigation system. Some models of GPS for cars include monitors for map display, but the presence of the monitor on the dashboard could be uncomfortable with some car designs. The air vents should remain clear, and the view from the passenger seat should not be a problem. GPS for cars therefore have to be chosen so as to match the dashboard features and the entire interior car design for maximum of efficiency and convenience.
Multi-functionality! This is one other important criterion of choosing GPS for cars. Navigation info can be provided in multiple ways, therefore it is very convenient for the user to select a variant that suits his/her needs. You can navigate with some GPS receivers by selecting the data from a personal address book, others select the map location from the start, while others can operate by intersection or directly by address. Moreover, in the same direction, you should buy a GPS for cars with features for both graphical and vocal directions. Besides the vocal messages, the GPS monitor can indicate the direction by arrows either in relation to the name of the street or with the car position matching the destination.
Details on hotels, restaurants, ATMs, airports and lots of other sites are available with good GPS for cars. Such a complex device may seem a bit more expensive, but when you travel a lot and need to go from place to place, information is crucial. Moreover, very advanced GPS systems can make updates about the points-of-interest from a certain region. You may be at a loss about what GPS for cars to buy when there are so many models to choose from. Testing the product could be the wisest thing to do under the circumstances, and retailers should be able to show you demo units available in their store. Then, the features of a GPS unit will be a lot easier to appreciate!
Written on December 19th, 2009 by MadChasno shouts
What is Cell Phone Tracking
Most new phones are equipped with GPS (Global Positioning System) to be able to be tracked by the provider. These type of phones can be tracked by satellites that are orbiting the earth. These satellites used to only be used by the government to help during warfare, but over the past several years, this technology has been put to use in many new different ways.
The basic principle behind the GPS technology that makes this work is the ancient practice of triangulation. If you’re not familiar about this practice, it basically works like this. You use two very distinctive landmarks to mark the center position.
The thing is you have to know the exact distance between the two landmarks in order to make this practice become accurate. Once you know the exact distance between the two landmarks, you make your self become the third vector to complete the triangle.
GPS uses your cell phone with the GPS system inside it, and uses the satellite as its two basic landmarks. Based on how far the signal is away from the satellite’s relative position in the sky, a computer can figure the location of the device giving off the signal to within a few feet.
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