A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Greg Rudzinski
Date: 2018 Dec 4, 09:28 -0800
The small booklet should be quite handy. A note- the single multiplication step for the 4 place natural haversine step can be done nicely using an Otis King slide rule as first performed and recommended here on NavList by Francis Upchurch. The calculated altitude Hc is to a minute of precision whether done longhand or by Otis King slide rule.
From: Tony Oz
Date: 2018 Dec 4, 02:47 -0800