Secondary Ports, Shipping Forecast Sheet, Tidal Curves

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Many people struggle to learn Secondary Ports - it is one of the main problem areas on RYA courses.  This simple graphic method shows how simple Secondary Port Calculations can be.
This A4 encapsulated sheet will make life so much easier.
Side one explains how the information that you need is laid out and what that information means.  It then shows a worked example of Time Differences and side two has a worked example of Height Differences.
Side two also has plenty of space for your own calculations.
Matt encapasulation means that a 2B pencil may be used directly on the plastic.

ISBN 978-1-906594-09-1

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Shipping Forecast Sheet with enough space to note down the forecast and sketch position of highs and lows.  Also shown are some of the meanings of forecast terms and reminders of the Beaufort Scale, Sea State etc. A4 sized and double sided so that consecutive forecasts can be compared. Matt Encapasulation means that a 2B pencil may be used directly on the plastic.

High quality litho printing using Light Fast Ink.

ISBN978-1-906594-10-7

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Devonport (Plymouth) Tidal Curve - A4.
Side one shows the curve.
Side two has the time and height differences for seconadary ports from St Mary's (Isle of Scilly) to Exmouth.
It is encapsulated with a matt finish enabling the use of a 2B pencil.
Easier to use than the page from an almanac as the encapsulated curve is far larger and it stays flat.

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Encapsulated A4 Tidal Curve for Falmouth and Dartmouth.
Falmouth one side, Dartmouth the other.
Matt encapsulation allows the use of a 2B.

Very handy as it stays flat unlike the pages of an almanac.

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