Question

the global positioning system is a system of satellites, ground monitoring stations and receivers that ______
broadcast television signals
provide information about the receiver’s exact location at or above earth’s surface
provide two - way radio service for police cars, fire trucks and ambulances
provide mobile telephone service

Explanation:

The Global Positioning System (GPS) functions by using satellite signals to calculate and provide the precise geographic location of a receiver, whether it is on or above the Earth's surface. The other options describe services unrelated to GPS core functionality.

Answer:

provide information about the receiver's exact location at or above Earth's surface