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