When using GPS without Selective...

Question 1 / 2066636ee928f7522a1c51a540

Question 1 of 2066636ee928f7522a1c51a540

When using GPS without Selective Availability, what can you expect your horizontal accuracy to be of the unit?

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Question 1 of 20

66636ee928f7522a1c51a540

When using GPS without Selective Availability, what can you expect your horizontal accuracy to be of the unit?

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🔍 Key Concepts

• GPS positional accuracy under normal conditions without Selective Availability (SA) • Typical civilian GPS horizontal accuracy in meters (95% of the time) • Difference between theoretical best-case accuracy and what is typically quoted for practical use

💭 Think About

• Which choice is closest to the commonly quoted horizontal accuracy for standard, non-augmented civilian GPS receivers when SA is OFF? • Are exam questions usually based on "perfect lab conditions" or on a conservative, real-world, published figure? • Compare each option to what you’ve heard as the typical GPS accuracy value in meters for marine navigation.

✅ Before You Answer

• Verify the commonly published horizontal accuracy for civilian GPS without SA or augmentation (like WAAS/EGNOS). • Check whether any option looks like a best-case, ideal lab number that might be too optimistic for exam purposes. • Eliminate values that are clearly too coarse for modern GPS (e.g., would make close-in harbor navigation impractical).

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Question 1 of 20

When using GPS without Selective Availability, what can you expect your horizontal accuracy to be of the unit?

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Question 1 / 2066636ee928f7522a1c51a540

Question 1 of 2066636ee928f7522a1c51a540

When using GPS without Selective Availability, what can you expect your horizontal accuracy to be of the unit?

Back

Question 1 of 20

66636ee928f7522a1c51a540

When using GPS without Selective Availability, what can you expect your horizontal accuracy to be of the unit?

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