Don Casey - Dragged Aboard Storm Tactics Handbook:
Modern Methods of Heaving-To for Survival in Extreme Conditions
by Lin Pardey and Larry Pardey


      

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DIY plotting charts

From: Murray Campbell (no email)
Date: Tue Jan 27 2004 - 20:30:23 EST

  • Next message: Royer, Doug: "Re: DIY plotting charts"

     the books i'm trying to learn from mention that it is
    possible to make your own plotting charts on graph or
    blank paper, but they don't give any more info...

     it seems like i will need to create a map projection
    for the needed lattitude...i'm not sure how i go about
    scaling lattitude to longitude at different
    lattitudes...is there a formula that does this??

     (i would rather not be dependent on buying and
    stowing a bunch of plotting charts)

     thanks, m

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