Tracking Capabilities of Satellites & Function of GPS

Q. What sort of information does the GPS show?

1. Population
2. Location
3. Elevation
4. Longitude

Q. A GPS relies on the signals from a system of 24 satellites placed at _____ different orbits around the Earth.

1. 6

Q. In which year did GPS become open for public use?

1. 1979
2. 1982
3. 1980
4. 1981

Q. From where does a GPS receiver receive its signal?

1. Towers
2. Underwater cables
3. Interconnection of electronic devices
4. Satellites

Q. Which of the following is not used for voice communication.

1. IS -95 system
2. Global star system
3. GPS
4. Iredium system

Q. Which among the following statement(s) do you think might be true about the Global Positioning System (GPS)?

1. The altitude of the GPS satellites is less than 2000 km from the Earth.
2. A GPS receiver must receive signals from at least two of all the satellites to calculate an accurate location.
3. The satellites use trilateration mechanism to find an accurate location.
4. A GPS system requires a GPS receiver, which relies on the signals from a system of 24 active satellites.