Practice Achievable Accuracies (3.4.10.2) - EGNOS, Europe

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9 questions

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3 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
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6 sample questions

Question 1.
What does DGNSS stand for?
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Look for the acronym definition in our discussions.
Question 2.
What is the typical accuracy range for local surveys?
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Recall our detail about local measurements.
3Question 3.
What does DOP stand for?
- Dilution of Precision
- Depth of Position
- Data of Position
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Think about how it reflects satellite arrangement.
4Question 4.
True or False: DGNSS can improve accuracy to less than ±1 m.
- True
- False
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Consider the role of reference stations.
Question 5.
Given a survey setup where DOP is measured at 10 and known accuracy of the GNSS is ±5m, what would be your expected accuracy based on DOP?
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Think about how DOP scales with accuracy.
Question 6.
If a local survey yields 2 mm accuracy and a regional survey yields 6 mm, what is the total improvement factor in accuracy from regional to local?
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Divide regional accuracy by local to find the factor.

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