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
    Lunar Distance
    From: Gordon Talge
    Date: 1998 Jul 23, 2:27 PM

    My understanding was that since voyages way back in the
    days of exploration were sometimes years and they would lay
    over places sometimes months at a time, that lunar distances
    were done on shore to establish time for the ship's chronometers.
    
    In addition to the math, it took sometimes up to four people to
    to a lunar distance.
    
    If I remember right, Columbus tried to establish his position by
    use of a lunar eclipse on the island of Jamaica. His results were
    pretty far off considering he was on shore.
    
    -- Gordon
    
                                         ,,,
                                        (. .)
             +-----------------------ooO-(_)-Ooo----------------------+
             |  Gordon Talge WB6YKK            e-mail: gtalge@pe.net  |
             |  Department of Mathematics      QTH: Loma Linda, CA    |
             |  St. Joseph High School         Lat.  N  34� 03.1'     |
             |  Lakewood, California           Long. W 117� 15.2'     |
             |  http://www.stjosephs.pvt.k12.ca.us                    |
             +--------------------------------------------------------+
    
    =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-=-=  TO 
    UNSUBSCRIBE, send this message to majordomo@roninhouse.com:     =-=-=       
    navigation                                         
    =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--=-
    

       
    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