Welcome to the NavList Message Boards.


A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Add Images & Files
    Re: Abhav vs S-Tables
    From: Robert VanderPol II
    Date: 2016 Sep 21, 13:09 -0700

    From reviewing PaulH's statistics for Ageton (with Lat and Dec limited to less than 70o) average error is about .67' and the worst error 3' as you get to a t of about 82o , by 87o worst error is 18.5' then you switch to Sadler and the errors improve some until t gets to 90o then start getting worse until t gets to about 97o when you switch back to Ageton and the errors start improving.   

    If you went all the way to 90o with Ageton the worst error would be 31'.

    Bayless and Pepperday are a bit worse than Ageton because the tabulated values are for  whole minutes of arc rather than 1/2 minutes like Ageton.

    Browse Files

    Drop Files


    What is NavList?

    Join NavList

    (please, no nicknames or handles)
    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 Settings

    Posting Code:

    Custom Index

    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