What is the minimum number of satellites...

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Question 1 of 20eTfkYWXNxcDRGYbwBOks

What is the minimum number of satellites that must be received to provide the highest accuracy?

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Question 1 of 20

eTfkYWXNxcDRGYbwBOks

What is the minimum number of satellites that must be received to provide the highest accuracy?

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🔍 Key Concepts

• GPS satellite geometry (3D positioning) • Difference between 2D fix (latitude/longitude) and 3D fix (lat/long + altitude) • How many unknowns your GPS receiver must solve for, including receiver clock error

💭 Think About

• Think about how many variables the GPS receiver must solve for: latitude, longitude, altitude, and clock error. How many satellites are needed to solve four unknowns? • Consider the minimum number of satellites needed for a basic position fix versus the number needed for the most accurate 3D fix with good reliability. • Ask yourself: with only two or three satellites, what dimensions of your position can you NOT fully determine?

✅ Before You Answer

• Recall that 3 satellites are associated with a basic position fix, but ask what type of fix that actually is. • Verify how receiver clock error adds an extra unknown that must be solved for using additional satellite data. • Remember that more satellites can improve accuracy, but the question asks for the minimum needed for highest accuracy 3D positioning.

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Question 1 of 20eTfkYWXNxcDRGYbwBOks

What is the minimum number of satellites that must be received to provide the highest accuracy?

Back

Question 1 of 20

eTfkYWXNxcDRGYbwBOks

What is the minimum number of satellites that must be received to provide the highest accuracy?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed