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
    Spherical Trig
    From: N S Gurnell
    Date: 2005 Apr 5, 15:08 -0700

    Re Bill's question about the angles in a spherical triangle.
    Sixty years ago the exams called "Principles for Second Mates" used to have a
    question:- "What is Spherical Excess?" I've forgotten the exact answer but
    someone might know. Old Timer
    
    
    
    
    __________________________________
    Do you Yahoo!?
    Yahoo! Mail - You care about security. So do we.
    http://promotions.yahoo.com/new_mail
    
    
    

       
    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