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2 cards from this section. Quick, good the night before a test.
What is a vertical circle error?
Think about what happens when an angle measurement is incorrect.
Why is it important to check the index error?
Consider what happens when readings are off?
What is the acceptable sum of direct and indirect zenith angles?
Remember the total of angles around a point.
True or False: Compensating for vertical circle errors is not necessary.
What happens if errors are left uncorrected?
A survey team reports that the sum of the direct and indirect zenith angles for a particular measurement is 362°. What steps should the team take to address this discrepancy?
Think about what needs to be checked first.
After measuring several zenith angles, a surveyor notes repeated discrepancies in readings. Explain a systematic procedure to address these issues.
Consider the importance of double-checking readings and adjustments.
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