The global positioning system (GPS) is based on
A) aerial photography.
B) infrared light sources.
C) data from satellites.
D) large, expensive receivers.
E) gravity waves from the Sun and moon.

Question

Quizplus · Accepted Answer

The global positioning system (GPS) is based on the reception and processing of data transmitted from a network of orbiting satellites. These satellites broadcast signals that are picked up by GPS receivers on the ground or in vehicles, which then use the information to pinpoint the user's location, speed, and direction.

The Global Positioning System (GPS) Is Based on