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: Newbie - Variation Question
    From: Brian Whatcott
    Date: 2002 Feb 11, 17:59 -0600

    At 01:04 PM 2/11/02, you wrote:
    >Pierre,
    >
    >Thanks for the reply but I am still a little confused.  Even if the French
    >way is to add the negative easterly variation, shouldn't the resultant
    >magnetic heading be the same as the non French way?
    
    ...
    
    >My other fixed GPS (Garmin) subtracts the Easterly variation to agree with
    >the compass.
    >
    >Any other clarification would be appreciated.
    >
    >Regards,
    >
    >Andrew Denman
    
    
    Subtracting an Easterly Variation marked with a positive sign, gives the
    same result as
    adding an Easterly variation marked with a negative sign.
    It's a matter of convention.
    
    
    
    
    Brian Whatcott
       Altus OK                      Eureka!
    
    
    

       
    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