1 min
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The GPS Receiver Quiz at HowStuffWorks will test your knowledge of GPS. How much do you really know?
What does GPS stand for?
Global Positioning System
GPS stands for Global Positioning System. How GPS Receivers Work
Global Placement System
Global Positioning Satellite

What do GPS devices use to pinpoint locations?
Satellites
GPS devices use satellites to pinpoint locations. How GPS Receivers Work
Lasers

How many satellites are included in the Global Positioning System?
27 (with 24 in use)
There are 27 (with 24 in use) satellites included in the Global Positioning System. How GPS Receivers Work
28 (with 14 in use)
30 (with 15 in use)

Around what object do GPS satellites orbit?
The Earth
GPS satellites orbit around the Earth. How GPS Receivers Work
The moon
The United Sates

Upon which mathematical principle is the GPS system based?
Trilateration
The GPS system is based on trilateration. How GPS Receivers Work
Division
Multiplication

Which of the following statements is true?
GPSs cost well over \$1000
GPSs cost around \$100
Typically, a GPS costs around \$100.00. How GPS Receivers Work
GPSs cost less than \$50

How many satellite distances must a GPS receiver know in order to track its location?
1
3
A GPS receiver must know 3 satellite distances in order to track its location. How GPS Receivers Work
5

How many times does a GPS satellite orbit the Earth in one day?
2 times
A GPS satellite orbits the Earth 2 times in one day. How GPS Receivers Work
5 times
1 time

How many satellites are "visible" in the sky at one time?
At least 4
There are at least 4 satellite "visible" in the sky at one time. How GPS Receivers Work
At least 10
At least 7