10 Questions
The GPS receiver uses data from at least three satellites to offset slight inaccuracies in the receiver's clock.
False
The receiver's built-in computer calculates the precise location through a process called trilateration.
False
The military GPS service is less accurate than the basic civilian service.
False
The Navstar system consists of 24 main satellites in six orbits around Earth, with each satellite circling Earth every 12 hours.
True
The Beidou Navigation System, developed by China, became operational in 2007.
False
GPS is a satellite-based navigation and location system that determines precise latitude, longitude, and altitude.
True
The GPS system was initially developed for civilian applications.
False
GPS receivers can be as small as a pocket calculator or integrated into devices like cell phones and wristwatches.
True
GPS satellites orbit around the Earth and transmit radio signals continuously.
True
GPS receivers determine their distance from a satellite by measuring the time it takes for radio signals to travel from the satellite to the receiver's location.
True
Learn about the highly accurate satellite-based navigation system, GPS, developed by the U.S. military. Explore how GPS receivers help determine latitude, longitude, and altitude, and its applications in both military and civilian sectors.
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