Welcome to the NavList Message Boards.


A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Add Images & Files
    Re: A question about plotting sheets and scale
    From: Dan Hogan
    Date: 2001 Apr 23, 13:51 EDT

    You need to use another plotting sheet or calculate using one of the
    sailings. My fault, I'll try to keep Departure Points under 60 Nmi in the
    future. I picked this the position off of Chart INT 400, forgetting about the
    On 23 Apr 2001, at 0:26, Yves Arrouye wrote:
    > Hi,
    > As I was working on question 5 of Silicon Sea: Leg 70, I had a question. I was
    > using a plotting sheet printed from Ed Falk's site (I have real sheets on
    > order). Now doing exactly what he shows at
    > http://www.best.com/~falconer/Navigation/leg57-2.html, I have a mid-latitude
    > of 13 N, and from right to left 3 longitudes lines reading 61, 62, and 63 W
    > respectively. In order to plot St Lucia (13d 50.1' N 64d 04.0' W) I had to
    > draw a fourth longitude line.
    > Now my question is: what do you do if there isn't enough space to draw the
    > lines you need (said I needed 6 degrees of longitude or latitude)? Do you just
    > draw lines in-between and divide the corresponding scale by 2 or more? What's
    > the impact on accuracy? I can't even get precise 1' measurements on the
    > regular scale...
    > YA

    Browse Files

    Drop Files


    What is NavList?

    Join NavList

    (please, no nicknames or handles)
    Do you want to receive all group messages by email?
    Yes No

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

    Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.

    Email Settings

    Posting Code:

    Custom Index

    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site