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Question 1 of 2066636eea28f7522a1c51b009

What course per standard magnetic compass (psc) is the same as 247°pgc?

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66636eea28f7522a1c51b009

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What course per standard magnetic compass (psc) is the same as 247°pgc?

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🔍 Key Concepts

• Difference between gyro compass (pgc) and standard magnetic compass (psc) readings • How variation and deviation affect gyro vs magnetic compass courses • The sign convention for applying gyro error when converting between pgc and psc

💭 Think About

• Ask yourself: what information is implied when a course is given per gyro compass versus per standard compass? • Think about whether you need to add or subtract a small correction to go from a gyro reading to a magnetic/standard compass reading. • Consider which option is most likely if the correction is only a few degrees in one direction.

✅ Before You Answer

• Be clear on whether you are moving from pgc → psc or psc → pgc before applying any correction. • Verify the typical magnitude of compass errors (are they usually very large or just a few degrees?). • Check that the answer you choose makes sense as a small correction from 247°pgc, not a large change.

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Question 1 of 2066636eea28f7522a1c51b009

What course per standard magnetic compass (psc) is the same as 247°pgc?

Back

Question 1 of 20

66636eea28f7522a1c51b009

Q

What course per standard magnetic compass (psc) is the same as 247°pgc?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Difference between gyro compass (pgc) and standard magnetic compass (psc) readings • How variation and deviation affect gyro vs magnetic compass courses • The sign convention for applying gyro error when converting between pgc and psc

💭 Think About

• Ask yourself: what information is implied when a course is given per gyro compass versus per standard compass? • Think about whether you need to add or subtract a small correction to go from a gyro reading to a magnetic/standard compass reading. • Consider which option is most likely if the correction is only a few degrees in one direction.

✅ Before You Answer

• Be clear on whether you are moving from pgc → psc or psc → pgc before applying any correction. • Verify the typical magnitude of compass errors (are they usually very large or just a few degrees?). • Check that the answer you choose makes sense as a small correction from 247°pgc, not a large change.

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

Quick actions

— No credit card needed