Global Positioning Systems operate:
A) by picking up continuously broadcast signals from at least four satellites.
B) inadequately and therefore are not accurate for archaeological work.
C) too expensively to aid most attempts at archeological inquiry.
D) by relying upon electric monitoring stations.

Question

Quizplus · Accepted Answer

Global Positioning Systems (GPS) operate by receiving signals from a network of satellites. A device must pick up signals from at least four satellites to accurately determine its position in three dimensions (latitude, longitude, and altitude).

Global Positioning Systems Operate