Think like you are going on a vacation to an unknown place without any smart gadgets by realizing it you are lost the place where you want to go, what will you do? The first thing you will do is search for help and ask someone to get the right directions. Once you get directions, it will be so tough to reach your destination.
In case if you have a smartphone, use your phone to know where you are, and you can get the right directions to where you want to go. By using the newly updated GSP (Global Positioning System), you can accurately receive step-by-step instructions.
Mechanism of GPS
Let’s start it from a mobilephon. It is a two-way communication radio, the tower and your phone (base) are the two station networks (cells) providing signals to talk. The smartphone has a less power transmitter that can connect to the nearest tower for communication.
When you jump from one place to another, you also changing the cell networks. The base station that’s your phone will provide analysis the signals from your tower and notices it whenever youjumpfrom one cell to another.
In mountain areas and high building areas, you can’t receive signals from tower stations and even in elevators also. Without the GPS tracker also you can know about your location. Computers can help to know the location based on measurements of signal strength like,
- Coner of approach to cell networks or towers
- How long does it take to reach the receiver of multiple towers
- And signal strength when you are near with towers.
Since the objects and tall buildings can affect and take the time to reach the receiver on your phone form tower, For Best Rechargeable Flashlight this computer method is less efficient and less accurate when comparing to GPS.