02 GPS (Global Positioning System)
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8 Terms
What is the primary purpose of GPS in mobile phones?
To provide precise navigation and location information.
Who originally created the GPS satellites?
The US Department of Defense.
How many GPS satellites are currently in orbit around the Earth?
Answer: Over 30 GPS satellites.
How many satellites does a mobile phone need to hear signals from to calculate precise location information?
At least four satellites.
What information can a phone calculate from the GPS satellites?
Longitude, latitude, and altitude.
How does a mobile phone determine your location using GPS satellites?
By calculating timing differences from the signals coming from different satellites.
What additional sources do mobile phones use to improve location accuracy?
Wi-Fi connectivity and nearby cellular towers.
What do we commonly see on our phones that shows the results of GPS signals?
Maps and directions.
Note 
Flashcards (42)