3.4.11 - Errors in GNSS Observations
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Practice Questions
Test your understanding with targeted questions
What can cause signal blockage when using GNSS?
💡 Hint: Think of where you find tall structures.
What is multipath error?
💡 Hint: Consider a bouncing ball.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main cause of multipath error in GNSS?
💡 Hint: Think about how light bounces.
True or False: Receiver clocks are generally more accurate than satellite atomic clocks.
💡 Hint: Consider the reliability of different types of clocks.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A GNSS receiver is positioned near tall buildings. It experiences a 3-meter error due to signal blockage. How could this issue be reduced if the receiver is frequently used in urban areas?
💡 Hint: Think about how you could improve the environment around the GNSS receiver.
Describe how you would measure and mitigate atmospheric delays when conducting a GNSS survey in varying weather conditions.
💡 Hint: Consider what weather impacts signal travel times.
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