Topic 7: How GPS works

GPS system consists of three segments. Which of the following is not one of them?

• The space segment

• The control system

• The transmission segment

• The user

Who or which organisation controls the GPS?

• The US military/government

• UN (United Nations) Tech. Division

• IEEE (Institute of Electrical and Electronics Engineers)

• Nato

GPS is just one of several space-based radio navigation systems. Which of the following is not one of the others?

• Glonass

• Galileo

• BeiDou

• Navi2K

GPS system uses .... of the light spectrum.

• Ultraviolet frequencies

• Infrared frequencies

• Radio frequencies

• Microwave frequencies

To achieve global coverage for GPS, how many satellites are required?

• 16

• 20

• 24

• 32

Which segment is responsible of utilizing to route/navigation signals?

• The control system

• The space segment

• The gps receiver

• The US government

How many simultaneous satellites in view from any point at the Earth's surface at any time?

• 2

• 4

• 6

• 8

Which of the following is not a place where GPS satellite based navigation system is an important tool for?

• Military

• Commercial users

• Civil users

• Space explorers

Which of the following is not one of the ways GPS is used?

• To determine position locations

• To create digitized maps

• To determine distance between two different points

• To communicate from one location to another

One of the biggest disadvanatge of GPs is

• Its low speed

• Strength of signals