NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Longitude by Time Sight...good enough at sea?
From: Hewitt Schlereth
Date: 2012 Dec 21, 08:16 -0800
From: Hewitt Schlereth
Date: 2012 Dec 21, 08:16 -0800
Hanno - I suspect the reason is Weems developed the method for merchant marine navigators in ww ii. They were familiar with haversine formulas and so he started there to derive his time sight formula. See the preface and page 15 of The Secant Time Sight. Hewitt Sent from my iPad
