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Archive for category: General Interest
Plotting an Emergency Fix from the Sun
Ken Gebhart, Jr., , Celestial Navigation, General Interest, 1The emergency here is twofold. First you have lost all electronic navigation, and secondly you don’t know how to...
A tragic tale I do confess I put my faith in GPS Then one day screen went black I...
As a celestial navigation fan, I think readers will be interested in my new book. Although the sextant is...
The National Oceanic and Atmospheric Administration (NOAA) announced in November 2019 that they plan to cease providing the raster...
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