GPS Quiz

What information does a GPS device receive from satellites?

• Temperature data

• Time-sent information

• Weather updates

• Speed of light

What defines the device location in a GPS system?

• Intersection point of multiple satellites

• Intersection point of two satellites

• Intersection point of a single satellite

• Intersection point of the sun and moon

What is accurately known about GPS satellites?

• Their color

• Their positions

• Their size

• Their speed

What is the main purpose of the GPS device receiving signals?

• To play music

• To calculate distance to satellites

• To display advertisements

• To send messages

What is the latitude range covered by the GPS satellites as shown in the diagram?

• 0° to 30°

• 30° to 60°

• -60° to 60°

• -90° to 90°

What does WAAS stand for?

• Wide Area Augmentation System

• Wide Area Adjustment System

• Wide Area Alignment System

• Wide Area Accuracy System

Which accuracy level is achieved by the original GPS system?

• 3-5 meters (10-16 ft)

• Less than 3 meters (10 ft)

• Within 100 meters (328 ft)

• Within 15 meters (49 ft)

Which system improves GPS accuracy to less than 3 meters?

• Original GPS

• Selective availability removed

• Differential position (GDPS)

• Wide Area Augmentation System (WAAS)

What is the effect of having a "Poor GDOP" on precision?

• Decreases precision

• Increases precision

• No effect on precision

• Improves signal strength

How does "Good GDOP" affect the accuracy of positioning?

• Increases accuracy

• Decreases accuracy

• No effect on accuracy

• Reduces signal strength