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
    Position from a Clock with Photo Diode
    From: Brooke Clarke
    Date: 2005 Jun 6, 09:30 -0700

    Hi:
    
    Suppose that a clock that keeps UTC time to within 1 second has a photo
    sensor with an analog output to a computer.  The clock is indoors but
    the room has a window to the outside so although the clock is in the
    shadow of the Sun it does see a daily brightness curve.
    
    How accurately can the clock determine where it is in the world?
    
    Have Fun,
    
    Brooke Clarke, N6GCE
    
    --
    w/Java http://www.PRC68.com
    w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
    http://www.precisionclock.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