Hi'
I am going to make an avr based tracker system whose location will be displayed on my gps mobile(n 82).But only a few cities here have GPS navigation facility.Is the system viable in my city which doesnt have GPS facility?Which types of other location trackers can I make?
Answer by Tony N
gps is based on satellites therefore it works anywhere in the world.
Answer by Technology Guy
I know quite a bit about GPS, but have no idea what a "GPS Navagation Facility" is???
The gps system that has been put in place by the United States is exactly what it says, a Global Posutioning System.
There are 24 or so satellites around the entire globe that transmit signals worlwide to anyone on the ground or in the air that has an appropriate receiver. And that receiver is not espensive. They can be purchased as low as about $ 100 US for some models. Most cell phones today include a GPS receiver as well. Any of these can be used anyplace on the planet that has an open view of the sky. The only location based limit on the usefullness of a particular gps receiver is the local maps that are loaded in the unit. Most units are loaded with a set of road maps for a particular country or region. Even without maps loaded for a region, all GPS's will provide you with the latitude and longitude data for your current location, and that information can be referenced to any map that you have. Most gps units will also give you an altitude, speed and direction of movement output as well as a universal time output based on the satellite's exteremely accurate clocks.
The GPS service itself is free and available to anyone worldwide. The difference between what signals are available to the public and what is available to the US government is in regard to accuracy. Bottom line is that the public accessible accuracy is somewhere on the order of 3 to 10 meters while the Government version is probably under 1M in accuracy. Pretty darn good for a free service that anyone can use!
What do you think? Answer below!
Orignal From: Q&A: I would like to make a gps based location tracker system.Would it work in India?
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