In Dash GPS Navigation

To explain the double DIN navigation, one should know the integral functionalities of the system. However this article is to explain how to integrate navigation functionality in your car. Due to increasing familiarity of Double DIN sized gadgets, all in one devices will be hot sellers. A system integrated with navigation, audio player, video player, touch controller to control all the above will be a good choice.

Why Navigation with radio

Earlier I have used both external GPS Navigation device and my own Car PC integrated with GPS receiver. I am very much inclined towards running a navigation system along with others such as media player or radio.

The reason behind is

• You don’t need to obstruct the vision by putting it in the wind screen.

• A 7″ wide screen real estate is big and wide

• It does not take hog space in the dashboard.

• The GPS external receiver (will explain bit later what it is) can be placed anywhere

• Cost effective(pay for software, maps, external receiver) remember you are going to view your maps in 7″ screen

Maps and Software

In the event you don’t have recently updated maps, it is not going to be that much useful. However if you have recently updated maps, you will feel it is easier to drive without knowing much about the destination routes. I am basically from Singapore, and I enjoy GPS when driving Malaysia and neighboring countries. I have an option of choosing maps from two providers in Singapore. Both the maps are very frequently updated with nice graphical presentations.

Satellites Connectivity for navigation

Receiver needs at least few satellites locked for receiving enough signals. The GPS receiver needs to pick up available satellites to get a position. The receiver receives the data through few channels. More physical channels will give faster and strong locking. Because of parallel execution, more the physical channels, higher the possibility of locking in a low signal area. There are also two standards of receiver, NMEA and SiRF. I am using SiRF III and locking is very instant.

By: Pon Saravanan

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To other factors for selecting the read the article on Double Din Navigation.Pon Saravanan
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