The global positioning system is a network of 21 ________ plus 3 working spares.
A) transponders
B) satellites
C) base stations
D) communicators

Question

Quizplus · Accepted Answer

The global positioning system (GPS) is a network of 21 satellites (plus 3 working spares) that orbit the Earth and transmit signals that allow GPS receivers to determine their precise location and velocity. Transponders, base stations, and communicators are not used in the GPS system.

The Global Positioning System Is a Network of 21 ________