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In other articles, we talked about how we apply variation and deviation. In this article we explain how we establish variation on an older paper chart where variation has been changing over time.
This video explains how you calculate variation in any given year on an older chart. If you want to know how to apply variation, click here.
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All content created by Mark Burkes, an RYA Yachtmaster™ Ocean Instructor. 200,000 miles logged over 30 years. Learn more...
All charts used in our videos and on this website are used under copyright from HMCO licence no. 35358. Not for navigational purposes.
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IMPORTANT NOTICE:
We are not an RYA Training Centre. Charts used in our videos are used under copyright from HMCO licence no. 35358. Not to be used for navigational purposes.
We are not an RYA Training Centre. Charts used in our videos are used under copyright from HMCO licence no. 35358. Not to be used for navigational purposes.
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