Welcome to the NavList Message Boards.

NavList:

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

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: Great Circle Course via calculator & HO 208
    From: Gary LaPook
    Date: 2016 Oct 5, 10:26 -0700

    We've discusssed this before and I posted the accurate formula for calculating the rhumb line:

    http://fer3.com/arc/m2.aspx/Computing-great-circle-rhumb-lline-courses-LaPook-feb-2010-g11800

    Also see the similar discussion with the same cast of characters in June 2011.

    http://www.fer3.com/arc/sort2.aspx?subj=rhumb&author=lapook&y=200101&y2=201912

    gl

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

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

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

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

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    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