Before knowing about the auto navigation system, there are a few basic things to know and understand about the Global Positioning System (GPS). The GPS is a satellite is a group of 24 satellite placed into the orbit by the US Defense department. In the past this technology was strictly reserved for military use and was not used by civilians until the 1980s.This GPS works in any weather condition and can be used any where in the world. It works 24hours a day and is completely free for any one who wants to use the GPS.
Satellite navigation dates back a lot longer than many people realize. The principles behind SatNav were first tested back in 1967, but it took nearly 30 years before the NavStar GPS System first began operation as a military application in the mid 1990s. Civilian use of GPS navigation was made available soon after the military launch, but the initial costs of using the system were very high, and required ongoing subscriptions to be paid. The first people who took advantage of GPS were pilots, and surveyors, who needed to be able to measure distances with pinpoint accuracy. In the early days , an affordable GPS auto navigation system was out of reach for the average car owner.
For the past years, the charge fee for the installation of GPS auto navigation has considerably gone down. And as a predictable consequences of this, more people are taking benefit of it so as to know,...Read Full Article From Satellite


