NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Measuring Dip in the 18th Century
From: Norm Goldblatt
Date: 2013 Dec 27, 19:44 -0800
From: Norm Goldblatt
Date: 2013 Dec 27, 19:44 -0800
I agree with the 5 minute (temporal, not angular) rule, but I'd shorten it to the 3 minute rule. It's difficult when the audience is unrestrained and their peripheral vision allows such distraction. But, I'm very impressed at your diligence and dedication to enlightenment.
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