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Deviation in Example Question

Forum - Coastal Navigation - Deviation in Example Question
Module Content - Sea Talks3
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Student
Ryan hogan
los altos, CA, USA
Crew Level 0
Status: Sailor
Qualified days: 0
Deviation in Example Question
Posted 2015, Dec 04 17:00
Why is deviation the same in all headings for the example question. It appears that from the table given above that the deviation should be different, unless they are unrelated?
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Administrator
Grant Headifen
Reply 2015, Dec 04 17:20
The big mistake the people make is reading the table for the deviation of the angle to the point being measured not the heading of the ship. You must read the table based on the heading of the ship. Why - because the compass error varies according to the heading of the ship.
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Student
Sophia Granchinho
Arviat, Canada
Crew Level I
Status: Sailor
Qualified days: 18
Reply 2018, Jun 30 22:20
I'm also confused as to why the question had the same deviations for the headings provided and the reply explanation does not make sense.
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