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: Choice of timepiece
    From: Lu Abel
    Date: 2009 Nov 13, 20:00 -0800

    (Sorry, this one should have gone out earlier than my other replies)
    
    You're right, John.   I badly misplaced a decimal point.   Time for a
    radio signal to go half way around the world should be just under 1/10
    of a second and therefore probably not detectable by us with human
    reflexes watching our chronometers.
    
    John Karl wrote:
    > LU,
    >
    > Why would it take almost a second for a radio signal to travel half
    > way around the earth when it travels at 163,000 nautical miles per
    > second?
    >
    > JK
    >
    >
    >
    > >
    >
    
    
    --~--~---------~--~----~------------~-------~--~----~
    NavList message boards: www.fer3.com/arc
    Or post by email to: NavList@fer3.com
    To unsubscribe, email NavList+unsubscribe@fer3.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