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
    Pre-computed Altitudes and Azimuths
    From: Greg Rudzinski
    Date: 2009 Dec 19, 10:55 -0800

    Recommended for Navlisters - Pre-computation of altitudes and azimuths before 
    departing on your next sail or flight. This old aviation technique delivers 
    lightning fast intercepts with only the task of reading the sextant angle at 
    the designated time. The attached set of pre-computations and observations 
    were done this morning as a trial in my boat slip at Channel Islands Harbor. 
    A Palm PDA was used to pre-calculate altitude and azimuth every 6 minutes for 
    a 2 hour period (this took about 20 minutes to complete). Observations were 
    aided by an alarm on my Palm Centro smart phone which was set to 6 minute 
    intervals. When the alarm sounds then an audio mark is heard to accurately 
    time the shot on the whole minute. The process was performed without error 
    the first time through so I give pre-computation a big double thumbs up for 
    precise fast error free reliability. 
    
    
    
    
    
          
    
    -- 
    NavList message boards: www.fer3.com/arc
    Or post by email to: NavList@fer3.com
    To , email NavList+@fer3.com
    

    File:


       
    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