Practice Concept (4.6.1) - Global Positioning System (GPS) & GNSS

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does DGPS stand for?
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Think about how it relates to GPS.
Question 2.
What is the primary role of a base station in DGPS?
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Consider what a base station must know.
3Question 3.
What does DGPS enhance in GPS?
- Positioning accuracy
- Signal strength
- Frequency
- Data collection
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Think about what DGPS is meant to do.
4Question 4.
True or False: The base station in DGPS knows its exact location.
- True
- False
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What is required for the base station to function correctly?
Question 5.
A DGPS base station is at coordinates 40.7128° N, 74.0060° W. If the rover shows a reading of 40.7131° N, what is the likely error in the rover's positioning?
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Consider how GPS readings can drift due to atmospheric or signal delays.
Question 6.
Discuss how you would set up a DGPS system for a coastal survey to maximize accuracy. Include considerations for equipment, location, and potential signal interferences.
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Think about environmental factors that could obstruct satellite signals.

5 more questions in this section. Enroll free to practise them all.