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: LOP's without DR Position
    From: Andrés Ruiz
    Date: 2015 Feb 24, 09:19 +0100
    Hi Hanno,

    GH method and Douwes, (he solved the system only for latitude), are two sides of the same coin, the solution by Gauss of:

    cos B cos Dec1 cos ( GHA1-L ) + sin B sin Dec1 - sin H1 = 0
    cos B cos Dec2 cos ( GHA2-L ) + sin B sin Dec2 - sin H2 = 0

    best regards,


       
    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