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
    or...
       
    Reply
    Re: Sextant Accuracy and anomalous dip
    From: Walter Guinon
    Date: 2003 Mar 23, 08:02 -0800

    I think that ignoring the propagation time completely would introduce
    negligible error in establishing GMT. e.g. the delay over 2000 nm would be on
    the order of 20 milli-seconds.
    
    --- Rodney Myrvaagnes  wrote:
    > On Fri, 21 Mar 2003 18:53:37 EST, Bruce Stark wrote:
    >
    > >I expect he already had the longitude. It's only reasonable to suppose that,
    > >as soon as a cable was laid, Greenwich time was telegraphed from an
    > >observatory so observers at the new station could determine the station's
    > >exact position. By finding the local time at the station, and applying the
    >
    > Reasonable if they had previously measured the propagation speed for
    > the cable.
    >
    > Any records of them doing this?
    >
    >
    >
    >
    > Rodney Myrvaagnes                                                    J36
    > Gjo/a
    >
    >
    > "We have achieved the inversion of the single note." __ Peter Ustinov as
    > Karlheinz Stockhausen
    
    
    __________________________________________________
    Do you Yahoo!?
    Yahoo! Platinum - Watch CBS' NCAA March Madness, live on your desktop!
    http://platinum.yahoo.com
    
    
    

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

    Name:
    (please, no nicknames or handles)
    Email:
    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:

    Email Settings

    Posting 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