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Re: Historical sextant angular units
From: Paul Hirose
Date: 2025 Nov 7, 15:18 -0800

I have never heard of a bubble sextant reading anything but degrees and minutes. Decimal degrees would be incompatible with sight reduction tables. Seconds, seen on some old marine sextants, are not a problem since you can mentally convert to decimal minutes with sufficient accuracy. http://sofajpl.com/airnav/index.html -- Paul Hirose sofajpl.com

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