How Google Maps uses your Data.

“Basically, our goal is to organize the world’s information and to make it universally accessible and useful.” Larry Page (Cofounder of google)

Author Ben Howard – Civil Engineering Design

Google maps may seem like a mystery to some, by reading this short article you will understand the three things google maps needs in order to take you from your place to that other place you love but never can quite remember how to find your way. These three things are:

  1. A GPS Reciver
  2. A Preloaded Map
  3. A Navigation System

GPS Receiver

The GPS receiver in your phone or tablet can receive GPS coordinates in the form of latitude and longitude, your phone does this with what’s called a Global Positioning System or GPS for short.

Preloaded map

Your device needs a preloaded map or access to the internet, the GPS coordinates can then be loaded on to the map and tell you precisely where you are located.

Navigation System

Once the first two steps are completed, your device can use its internal navigation system to track your acceleration and direction this is a little bit technical, once you have loaded the GPS coordinates to your map the navigation system can take over. The GPS will kick in periodically to make sure you are where it expects and make adjustments if required. 

Cited from https://www.quora.com/How-does-GPS-in-cars-work-without-Internet

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