NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Cheap longitude
From: Lars Bergman
Date: 2025 Dec 21, 07:23 -0800
From: Lars Bergman
Date: 2025 Dec 21, 07:23 -0800
David C, you wrote "The problem with the method is that you get only one chance for the second longitude sight." It must not be so. If you take a series of am altitudes, noting the time for each of them, and then in the pm timing the same altitudes, you avoid that problem. If you miss one of the pm altitudes, just discard the corresponding am time.
Lars
