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
    Re: Eight Sun Sights
    From: Joshua Carty
    Date: 2026 Oct 6, 09:42 -0700

    Marco:

    Hey, no need for apologies. No problem at all. I just wanted tomake sure I did not screw up my story!!

    You mentioned an "empirical uncertainty ellipse" and that there's no ellipse for two lines of position. Is that a special case for the algorithm you are (or your app is) using?? Surely I can talk about an error ellipse with just two sights, right? But the sights do not tell us what uncertainty to us in that case. We have to tell it "+/- 1' " somewhere. I don't know enough about this. Anyone else have more detail on the error ellipse for a fix???

    Josh

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join / Get 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