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Old 09 February 2014, 15:27   #1
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Since tidal curves are an important tool for accurately predicting tide heights, why is it so difficult to find them outside of nautical almanacs? Surely, a single curve in an almanac won't last long if you're constantly using it and erasing marks, but the thickness of the almanac makes copying difficult!

Am I missing something?

-John.
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Old 09 February 2014, 15:52   #2
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If you use a 4b pencil and don't press too hard it helps preserve the page.

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Old 09 February 2014, 16:03   #3
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Quote:
Originally Posted by jlandells View Post
Since tidal curves are an important tool for accurately predicting tide heights, why is it so difficult to find them outside of nautical almanacs? Surely, a single curve in an almanac won't last long if you're constantly using it and erasing marks, but the thickness of the almanac makes copying difficult!

Am I missing something?

-John.
A Scanner?

Scan the page, print it out, laminate it and Bob's yer uncle. Tickety boo.
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Old 09 February 2014, 16:37   #4
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Quote:
Originally Posted by jlandells View Post
Since tidal curves are an important tool for accurately predicting tide heights, why is it so difficult to find them outside of nautical almanacs? Surely, a single curve in an almanac won't last long if you're constantly using it and erasing marks, but the thickness of the almanac makes copying difficult!

Am I missing something?

-John.
Software/App?
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Old 09 February 2014, 17:14   #5
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A Scanner?

Scan the page, print it out, laminate it and Bob's yer uncle. Tickety boo.
Exactly what I do for teaching! Print them out to A4 size.


Oh, use last year's almanac and take outh pages you want. Or if you have the loose leaf version even easier.

I do the same with computation of rates tables
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Old 09 February 2014, 17:24   #6
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Exactly what I do for teaching! Print them out to A4 size.


Oh, use last year's almanac and take outh pages you want. Or if you have the loose leaf version even easier.

I do the same with computation of rates tables
It gets a tad expensive with the Sight Reduction Tables though if you want to compute your sextant readings!
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Old 09 February 2014, 17:59   #7
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I use an app too and my plotter's tide curves as a back up
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