The navigation system in automobiles synchronizes with the satellite navigation
system to locate the vehicle anywhere the software will support. A navigation system
is also capable of producing directions to a location via the quickest route. The
Global Positioning System locates the user by contacting the global navigation satellite
system by utilizing a GPS receiver/transponder in the vehicle. A Navigation system
is also capable of producing directions to a location via the quickest route possible.
The navigation system was developed by general motors in the late 70's. The system
was made available to public in the early 90's.
After Market Navigation System GPSIn a navigation system, the current position is estimated from the position that
was determined previously. The previously determined position, along with time elapsed
speed and course are used to get an approximate position. This procedure is known
as dead reckoning. A navigation system provides many views of a map, top view and
forward view. The map which is embedded in the navigation system's database is called
a vector map. The geographic coordinates are the street names and house numbers.
Navigation systems can allow the user to store the geographical coordinates of their
favorite point of interest. These points are known as save-points. Initial maps
are created at the manufacturer by programming a ROM, hard disk, CD, DVD or flash
memory. The navigation system can be connected to internet, CD, DVD, or
to download map updates.Navigation systems also give information about traffic conditions by receiving
information from a travel message channel or TMC and displays alternate routes to
avoid traffic. TMC is a digitally coded system and delivers extremely accurate information
through radio RDS. Other miscellaneous services provided by the navigation systems
are personal information management, meeting and anniversary reminders, capturing
images of the location, speakers which can be connected through Bluetooth, video
broadcasting on the LCD screen and much more.
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Article first published 2009-08-25 (Updated 2013-08-16)