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

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does DGPS stand for?

💡 Hint: Think about how it relates to GPS.

Question 2 Easy

What is the primary role of a base station in DGPS?

💡 Hint: Consider what a base station must know.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does DGPS enhance in GPS?

Positioning accuracy
Signal strength
Frequency
Data collection

💡 Hint: Think about what DGPS is meant to do.

Question 2

True or False: The base station in DGPS knows its exact location.

True
False

💡 Hint: What is required for the base station to function correctly?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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?

💡 Hint: Consider how GPS readings can drift due to atmospheric or signal delays.

Challenge 2 Hard

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.

💡 Hint: Think about environmental factors that could obstruct satellite signals.

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